difference between iroc and rs

what is the difference between the iroc and the v8 rs. im guessing body and suspension? i had a 99ss and had to sell it and might buy my uncles 89 rs. don't know alot about this gen of car. i guess i have to learn all over again. can't wait. how many of you are running carbed motors? thats what i plan on doing. thanks mario

the iroc can take corners like nobodys business (most say they beat 4th gens)
also, the iroc could be had with a tpi 305, or with a 350 tpi auto setup from 87-90
the rs has the tbi v8, tbi sucks but, it's still a v8
basically i think the rs had same color wheels as the paint color, and..that's about it i think, maybe something with the ground effects being different
check thirdgen.org in the tech database, it's got all of that

edit: didnt see you mention the carb thing, good idea since tbi isnt great, good luck man

If you have the option, go with the IROC no doubt. The LO3 (305 TBI in RS's) is nothing performance oriented. I *think* the IROCs had bigger sway bars. Check the RPO codes of the RS. If it's got F41, that's the handling package which gives it 16" wheels and IROC swaybars, I think. I'm an FI guy myself but there are a ton of carb'ed 3rd gens on here that can help you out. Good luck! Welcome to the 3rd Gen family!

-Rippin

irocs had stiffer springs, sit about a half inch lower, they had the steering box brace (or wonderbar as its reffered to). I think those are the main things. Im also pretty sure they had a larger sway bar....ummmm i think we got a different spedo....the irocs dont have a speed limiter (or at least i dont think they do) and i know the rs's do....if i remember anything else ill post it

Yes.. you did indeed forget one thing..
An IROC will woop ANY same year Camaro except for the LT1's.. and the RS's just plain ol' suck.
IROC's are faster, nicer looking, and handle WAAAY better than any Camaro.. except perhaps the newer LT1's..

By 89 The RS was the Base Model camaro Not very well done up like they use to.

The 305 that were put in to the RS were 150HP & the 305s that were put in the Iroc-zs were 190hp.
The Iroc-z 350 on the other hand was 230hp.

Originally posted by krazzycowgirl
By 89 The RS was the Base Model camaro Not very well done up like they use to.

The 305 that were put in to the RS were 150HP & the 305s that were put in the Iroc-zs were 190hp.
The Iroc-z 350 on the other hand was 230hp.

Your way off on the on the RS power , it was 170hp and 255 tq. for the base TBI 305.

If I remember, the late 350TPI was 245 horses?
At least I remember reading my 91 model was.

My 305 TBI '89 RS put out 175 horsepower and 250 foot pounds of torque if that helps. :) I was always a fan of the later-model RS over the IROC... love the 'roc, but would rather get an RS, cowl-hood her, and get a ZZ4 or another nice crate and drop in it. :metal:

Originally posted by 85_LG4
Yes.. you did indeed forget one thing..
An IROC will woop ANY same year Camaro except for the LT1's.. and the RS's just plain ol' suck.
IROC's are faster, nicer looking, and handle WAAAY better than any Camaro.. except perhaps the newer LT1's..

Ok first off there was never a year that you could get an IROC or LT1. Second of all RS's don't plain suck. Different engine, same swaybars (w/ F41 package) and different style but still 16" wheels (once again F41 package). As far as handling: Stiffer springs (nothing a 12 year old car won't need anyway) and a wonderbar.

Sorry, RS Bashers bother me...

-Rippin

RS bashers and people who don't know what they're talking about. ;)

"IROC's are faster, nicer looking, and handle WAAAY better than any Camaro"... heh. No sense in even commenting on it.

No need to apologize rippin'.

Originally posted by ZZ430RS
Your way off on the on the RS power , it was 170hp and 255 tq. for the base TBI 305.
That was the listing in the Camaros by numbers.

dont know the numbers off the top of my head but check out thirdgen.org for hp and tq #s
go to tech database, got all of them
and yea, rs bashers suck:p :D

Sorry guys.. but RS's were never anything special.. IROCS were the BEST Camaro.. then the Z-28's were the best..
EVERYBODY has an f'in RS.. but ya hardly see a Z28 or IROC.. especially in GOOD shape.
I hate to admit this.. because it is embarrassing for me, as a Camaro owner, but my friend and his dad beat an 90-something RS w/ their 90-something OLDSMOBILE DELTA 88.. I mean.. how ****in sad.. my friend is 300 something pounds, and his dad is 4-something.. and there was some dude.. not sure if it was a kid or not.. that weighed not more than 200..
Plus.. the Old's has 200+ miles on it's 6-CYLANDER piece of **** engine..
lol.. ya.. RS's don't suck..

Get some facts down before you bash, kid.

Ok, I have had both. My first Camaro was a 91 RS with the 305 and 5 speed. Not to say it was a bad car or anything (believe it or not it would eat 5.0 "Rustangs" for lunch) but it would be no match for my 92 Z28.

Wasn't interested in the numbers back then (I just wanted it because it looked cool) but the 92 Z28 was rated at 245 hp and 345 fp torque or 255 hp if the car was equipped with the dual cat option.

BTW the hp and torque ratings were taken at the rear of the transmission, not the flywheel.

Ya.. I have my facts down..
My friends dads beat-up POS 200+ mile-plus OLD-MO-****IN-BILE beat the **** outta an RS.. I have no more respect for them..
Plus.. there is too damned many of them.. you NEVER see a lot of a good car..

Oops.. didnt see that reply before mine..
But like I said.. Z28's and IROC's are king!

Yeah, I agree with you....they are EVERYWHERE but all of them have been dogged out and trashed......but there are a good many GOOD lookin RS's out there......I'd have a RS just as soon as I'd have a Z28 or IROC......You can't beat the RS's with the '91-'92 ground effects....:bow: yeah they lack power but you can easily fix that problem.....

boys pleaaaaaaaase listen RS= ralley sport

IROC-Z= international race(car) of champions. and the z is for the z28 model with upgrade package

that says it all iroc is the best


ralley sport an a race car not to hard

jeez, we already have z28/ss debates in the 5th gen forum, but now we got a z28/rs debate:rolleyes:
seriously, 2 cars, 2 different purposes
i have a v6 92 rs, and i know it isnt fast, nor is it supposed to be
it also isnt meant to handle or ride like it's on rails
it's for the people who want a nice ride, but don't need the power or the pricetag that go along with a z28 or iroc

Originally posted by lordmetalz28
boys pleaaaaaaaase listen RS= ralley sport

IROC-Z= international race(car) of champions. and the z is for the z28 model with upgrade package

that says it all iroc is the best



Someone correct me if I am wrong but the IROC was the Z28. If you'll notice: Chevy gets the IROC tag=Z28 disappears. Chevy loses the IROC tag=Z28 reappears.

The only thing different between the cars is the name.

Example:

Besides the name and model year what is the difference between a 1990 IROC and a 1991 Z28?

NOTHING except for a few (if any) minor upgrades for the 1991 model.

nope your wrong the iroc-z tag was an upgrade package to the highend model z28 thats why all irocs have a z28 emblem in the rear bumber from 85-87 iroc-z package added to the the z28 came with 16inch rims ,aluminium drums, graphic package, sport steering package and sport handling. this was added to the z28 to make an iroc

Originally posted by lordmetalz28
nope your wrong the iroc-z tag was an upgrade package to the highend model z28 thats why all irocs have a z28 emblem in the rear bumber from 85-87 iroc-z package added to the the z28 came with 16inch rims ,aluminium drums, graphic package, sport steering package and sport handling. this was added to the z28 to make an iroc


Ding, ding, ding...we have a winner. Only post in this thread worth reading.

Originally posted by quickslick86
Ding, ding, ding...we have a winner. Only post in this thread worth reading.

Maybe you could translate what he just said for me? Sorry, but I cant even read what he just said without laughing out loud at his grammar abilities.

Irocs have the Z-28 steering gears, and are basicly Z28's with a bit more suspension and breaks.

I believe all Irocs have 4 wheel disk breaks (mine does) from the factory, as well as the 16x8 wheels. I don't think you could get either of those with just a Z-28 package. I might be wrong, but I think there were some other suspension upgrades on the Iroc that the Z-28 didn't have.

it's odd though, Iroc's were the least produced camaro package (correct?) yet any 3rd gen is called an "Iroc" by people who don't know camaro's (or they call it a TA).

Not to mention, people putting Iroc hoods, wheels, and even badges on their RS and Z-28 models. :rolleyes: type R, is that next? :D

Just kidding :)

Nope your wrong the iroc-z tag was an upgrade package to the high-end model z28. Thats why all iroc's have a z28 emblem in the rear bumber from 85-87. The iroc-z package added to the the z28 package The Iroc-z which came with 16inch rims, aluminium drums, graphic package, sport steering package and sport handling. All of which was added to a Z to make it a Iroc-z.

What he is saying here is the Iroc-z was the best 3rd gen built. You can sit here all day long and cry RS's are something. But I have a friend that bought a '91 RS 305 TBI, brand new 6 miles on the OD. Thing's don't hook for ****, and if you get them to hook they ain't going anywhere fast.

Now my Iroc-z will hook and be down at the track, while a RS will still be spinnin' at the tree.

A Iroc-z came with more than he listed but I ain't got the time to tell it all.

I'm not saying rs 3rd gen's are the worst things ever built, but they were not BUILT for speed. Most people look at the Iroc-z as a car race ready straight from the factory. I don't know if I go that far, But I will say in it's day it was the fastest American car in production that I know of.

Go back and look at all the wrecks in the IROC'S, then look at all the wrecks in the rs's,birds,t/a's,sc's ect. and see if the numbers add up to the sum of the wrecks in the Iroc's. If you can even get that info. the iroc-z was made to slam rubber to the blacktop, kick 0-60 fast as you could shift the gear's, get you the phone number from the blonde before you even asked for it.

So I've said it and I will say it again. The Iroc-z was the best f-body of the 3rd gen. You can agree with it or not doesn't make a damn to me.

Take a look at www.thirdgen.org you will find anything you want to know about 3rd gen's.

Jeez, anyone else care to throw around some incorrect power numbers again, only about half a dozen in here, lol.

Oh yeah and I love the RS/305 TBI bashing by the guy with a LG4, lol...

Well let's see here. According to my list of RPO codes, my 92 Z28 has upgraded suspension, posi, preformance ratio axle, 4 wheel disc brakes, 16x8 aluminum wheels (245/50/16 tires) and several other factory preformance ugrades. So what makes an IROC any better?

I'm telling you all an IROC is is a Z28 with a different name.

Originally posted by mako350Z28
Well let's see here. According to my list of RPO codes, my 92 Z28 has upgraded suspension, posi, preformance ratio axle, 4 wheel disc brakes, 16x8 aluminum wheels (245/50/16 tires) and several other factory preformance ugrades. So what makes an IROC any better?

I'm telling you all an IROC is is a Z28 with a different name.

Yes, that is all it is. A damn IROC is just a Z28, thats all. Same options all around. An IROC is not an upgrade to a Z28. If it were you would see... hmm, what else? Z28s ON THE ROAD. No you see an RS, and an IROC (or Z28 in 91 and 92).

My Z28 has alll the crap everyone here is listing that the "IROC upgrade" has. Uggghh I hate hearing that name after a while.

youre all wrong :) go check the production listings on thirdgen.org
82-84 z28 was the top model
85-87 the iroc was an upgrade from the z28 model
88-90 the z28 dissapeared leaving the iroc as the top model
91-92 iroc dissapeared and z28 was the top model

as an added note from 85-87 you could not order a z28 with the 5.7 it only came in a 5.0. There was also a 5.0 iroc model during those years that had the handling upgrades many people have listed. If you have any more questions just look through the tech data on thirdgen.org because it has what models were produced with what engines during every year. hope this clears everything up

Actually the 1st year for the 350 was 1987.

The difference? The IROC-Z was the top end model as to where the RS was the base model. 1st year for the RS was 1988 and you could only buy them in 3 states, in 1989 they completely took the place of the base model camaro. Look on google for the ads for the RS, it was suppossed to be a stripped down cheaper version of the Z28 with a v8 option for a way more afordable price.


As far as an RS "not being worth anything" I have 3 digits for you. B4C.


"Then the B4C police package was added, and then it was equipped with the Corvette L98 5.7 aluminum head motor, fitted with siamesed intake runners and tubular headers. This brought the horsepower rating up to 270."

Id say that a 270hp RS has your precious IROC-Z covered.

Maybe this is why Mustang has been kicking Camaro ass - less options and confusion.

Originally posted by Z28James
Actually the 1st year for the 350 was 1987. my bad looked it over again and youre right...

And pro the reason the mustang did so much better is because ford did a better job of delivering what the customers wanted. Stronger aftermarket for the crazy enthusiast and something that your non enthusiast could hop right into and be happy with.

I think its comonly over looked that the 5.0s were only faster in a straight line. And not all that much faster. With the 3rd gen I think GM concentrated alot more on handling. You can drive the wheels of these cars around corners. Especially the IROCs and WS6 cars.

Originally posted by DarthIROC
With the 3rd gen I think GM concentrated alot more on handling. You can drive the wheels of these cars around corners. Especially the IROCs and WS6 cars.

Thats what happens when you can't get your car to pass emissions....it's almost embarrassing because when the average person thinks camaro they think performance. People always ask me what I had in my car before I put the 350 in, when I tell them I had a V8 in it before they wonder why I went to all the trouble to switch engines. They don't realize their 170HP 2400lb 4 banger could probably hang with my ol 190HP 305 V8.

Everybody who drives my car comments on how well it handles, they just don't like the fact my car is so low.

Originally posted by DarthIROC
I think its comonly over looked that the 5.0s were only faster in a straight line. And not all that much faster. With the 3rd gen I think GM concentrated alot more on handling. You can drive the wheels of these cars around corners. Especially the IROCs and WS6 cars.

I think thats true about cornering, lots of people ive talked to say that a camaro handles way better than their mustang. heck even the 2003 cobra handles like a covered wagon.

I have a LG4 with just headers, exaust and a holley 600 and i can easily put 3-4 cars on a 5.0 mustang. I even did it the other day with my carb giving me problems.

OK.. YES.. THE IROC IS A ****IN' PACKAGE.. IT IS A PACKAGE TO THE Z-28..
THE IROC IS THE CHAMPION OF CAMARO'S.. END OF STORY.
RS'S SUCK.. AS PREVIOUSLY STATED, WHERE MY FRIENDS OLDS-MO-**** KICKED ONE'S ASS..
IROC'S WERE FASTER THAN *ANY* Z-28..

Originally posted by 85_LG4
IROC'S WERE FASTER THAN *ANY* Z-28..

Same motor as mine. Same tranny as mine. Same rear end as mine. Besides looks, anything else IDENTICAL to my car?

Curious to how it is faster....

Originally posted by Pro
Same motor as mine. Same tranny as mine. Same rear end as mine. Besides looks, anything else IDENTICAL to my car?

Curious to how it is faster....

actually your rear end is different
you got the weak 10 bolt
cant remember which years but...irocs had 9 bolt borg warner rear ends
but, alll the same, 91-92 z28's just as fast as any iroc

Originally posted by unvc92camarors
actually your rear end is different
you got the weak 10 bolt
cant remember which years but...irocs had 9 bolt borg warner rear ends
but, alll the same, 91-92 z28's just as fast as any iroc

#1- The 10-bolt isn't that weak (Heck they use it in LS1 cars)

#2- I'm 99.9% sure not ALL IROCs came with 9-bolts. I know of a couple Trans Ams (not WS6's) that have 9-bolts. Either way a rear doesn't make a car faster (other than ratios which aren't all that different stock for stock).

85_LG4: You used to be cool man what happened. Calm down and chill out.

-Rippin

Originally posted by Rippin92RS
#1- The 10-bolt isn't that weak (Heck they use it in LS1 cars)

#2- I'm 99.9% sure not ALL IROCs came with 9-bolts. I know of a couple Trans Ams (not WS6's) that have 9-bolts. Either way a rear doesn't make a car faster (other than ratios which aren't all that different stock for stock).

85_LG4: You used to be cool man what happened. Calm down and chill out.

-Rippin

yea, well 10 bolts are known for their breakage in any 4th gen z28, especially in manuals- just what i've heard
and when you compare that to a 9 bolt, the 9 bolt is far better
yea, i know some t/a's had the 9 bolt too, but i'm not too good on firebird history
and also, it's been awhile since i've checked thirdgen.org for the info
and yea, rear end makes no difference in speed, just clarifying some info:)

What is defined as a weak rear end? A friend of mine was in the car with me a few weeks ago when I decided to floor it from a stand-still. Spun like h*ll for about 8 feet and when I hit the white line the tires suddenly gripped and literally lifted the front end off the ground, tires and all. If my engine has enough power to do that, don't you think that I would have ripped my stock 10 bolt rear end out by 105K miles?

Oh and by the way the only good thing I can say about the 3.1 is that it gets good gas mileage and it is hard to kill.

Had a friend that tried.(d***head)

Are you sure you got the front tires off the ground? A mildly modified L98 doing a wheelie....I don't know.

A 10-bolt will hold up fine to stock/mild motors with an automatic. Manuals tend to put a lot more "shock" on the rear and that's what blows them.

-Rippin

Yea, I am pretty sure. I was just as shocked as my friend. Oh, I have done some mods to the trans (stall converter and shift kit) to help get power to the rear.

Now if I could just get it to the pavement without spinning like h*ll.

BTW I can lay rubber at 55 MPH by putting the tranny in regular drive and flooring it.

Don't ask; everybody that has driven my car says that it is "unreal".

Your car looks nice. Keep up the good work.:bow:

well its obvious the 10 bolt is a weak point but my iroc has a 10 bolt with 3.73's and it will spin just as fast as a 9 bolt with 3.73's just wont last as long.....the 5.7 iroc/z28 package is the king of camaros without question but running 14.5's on todays streets doesnt mean **** all when they build neons that run 13.5's. Either th 9 bolt or 10 bolt have to be replaced if your making serious power...and if you want to compete with the cars of today with our 80's cars we gotta step up and build the hell out of these engines/trannys/rear ends if you want to have a second.....anything over 13 flats be prepared to get your ass handed to you these days and thats the truth

I just got my ass kicked by a bone stock $21,000 Neon SRT-4. the new era of "sports cars" is un-****ing-real. Off the line, yes, I smoked him. After 40? I might as well have saved my gas. $21K, and he killed me. Not even a race, he handed me my ass with seconds. lol.

Having had a 85 and 86 IROC, and a 87 Z28 there is no doubt the IROC was an upgrade on the Z when both were available in the same year. Lower, better suspension, and the 16 inch rims. Noticeable difference. They also looked a heck of alot better with the lower stance as well as having body color ground effects along with not having the ugly wide stripe package just above the gfx like most all Z28s...

Speed wise you could get the same engines in both for any given year though, so the above "IROCs were always faster" comment is total crap...

The borg warner 9 bolt only came in the 350 cars and certain 305 TPI 5spds. And that was only for a few years, all had 10 bolts from 90-92...


And there is no way in hell a mild L98 pulls the front wheels off the ground especially on street tires, end of story. Completely ridiculous... Running 11s in the 1/4 with slicks, maybe...

I suppose you just had to be there...

http://www.angelfire.com/wa3/ivhorsepower/87.html
Top Pic I know its not off the ground but it is almost there.
The only thing that are not stock on that car is the:
a Hypertech stage II chip, K&Ns, & the airbox is cut open.
OH thats on basic street tires R rated I do believe & the car runs 14.60-14.7s

I had the z in the shop about a month and a half ago getting the tranny redone. Anyway, the guy at the shop thought I had a broken motor mount because the way the engine was twisting from the amount torque it generates.

Still trying to find a dyno without having to drive 4 hours...

Originally posted by KnightRider350
I just got my ass kicked by a bone stock $21,000 Neon SRT-4. the new era of "sports cars" is un-****ing-real. Off the line, yes, I smoked him. After 40? I might as well have saved my gas. $21K, and he killed me. Not even a race, he handed me my ass with seconds. lol. i have yet to actually see one of these cars in real life but apparently they run 13.5's and can hang with an ls1 :eek: great the last thing we needed on this planet was a bunch of cockey neon owners driving around. Next thing you know volvo is going to be making station wagons that run low 12's

Originally posted by doug791
i have yet to actually see one of these cars in real life but apparently they run 13.5's and can hang with an ls1 :eek: great the last thing we needed on this planet was a bunch of cockey neon owners driving around. Next thing you know volvo is going to be making station wagons that run low 12's

Most Ive seen stock run 13.9 or so. Best Ive even heard of stock is 13.7x Impressive, but with the low cost and high technology of the car I think they cut alotta corners. I think those cars are gonna fall apart once they get some miles on them under that high boost. Especially since most the owners are 18-25 and are gonna rag them.

And I think Mercedes may make a 12 sec wagon :D

Originally posted by DarthIROC
high technology of the car

hahaha high?

Originally posted by doug791
Next thing you know volvo is going to be making station wagons that run low 12's

S60R Wagon--> Not 12's but gotta be close. 300hp or something rediculous, it's awesome haha. Don't forget though guys, for 21k, we could have 10/11 second cars.

-Rippin

Originally posted by Pro
hahaha high?

Well more technology than Im used to dealing with on carbed small blocks anyway :D

Hold the phone..
You could get the *SAME* exact engine in a Z28 as in an IROC? (Something smells kinda funny here..) I never saw that before..
Even my dad says that IROCS were faster.. he drove mine several times, and he drove a friend of his (may he rest in peace..), not sure what year 'ROC, but it was an auto, and convertable.. and he says it was *fast*

Same exact engine.

Well which engines, may I ask, where the same?

Same engines available in both, you could even get IROCs with the low-po LG4s in them. Which is kinda sad actually.

LG4 in an IROC? WTF.. I was not aware that *any* IROC could be had w/ Carbs on them.. as the LG4 is carbed..

Originally posted by 85_LG4
LG4 in an IROC? WTF.. I was not aware that *any* IROC could be had w/ Carbs on them.. as the LG4 is carbed..

I think the LG4 was avaliable until 87, then they were all FI.

No ****.. are you serious (about the Carb in an IROC)?

Originally posted by 85_LG4
No ****.. are you serious (about the Carb in an IROC)?

Yeah, Im about 5 minutes from an 86 IROC LG4 right now

Wow.. an IROC w/ a Carb.. amazing (lol)
Is the car fast or no?

Originally posted by 85_LG4
Wow.. an IROC w/ a Carb.. amazing (lol)
Is the car fast or no?

No its just like a carbed RS, but with the IROC suspension options

Ouch.. that is a waste of IROC.

BTW DarthIROC.. what are you running at the track? Probably pretty damned good et's by the looks of it..

Originally posted by 85_LG4
Ouch.. that is a waste of IROC.

tpi isn't any better you know.....

Originally posted by 85_LG4
BTW DarthIROC.. what are you running at the track? Probably pretty damned good et's by the looks of it..

Back when I was TPI, I pulled an 8.2 eigth which computes to like a 12.9 or something like that I think. But this motor is a f****** dog, and its coming out soon. Theres a 400 block sitting beside, it that Im putting together now.

Why is TPI no better?
Sweet (regardin the 400). What do ya have ready to put on the 400?

:confused: I'm not really sure why so many people on this board feel the need to bash other peoples cars, everyone's got a camaro don't they?

Do you really think that the IROCs are that much better then all other 3rd Gen. Camaros? Come on now, there was even a post on there that wrote out the representation of IROC as if that really means anything.

First of all it's "International Race of Champions" not Race(car) it was named for a race series, if you think that adds an extra 200hp to your car your sorley mistaken. (On that note Dodge bought the naming rights to IROC in 91 and sold Daytona IROCS, I guess those where production race cars too right?)

Does an IROC have some upgrades? Of course it does, but it dosen't give you the right to say RS's suck. It's basically the same car, and you can easily mod an RS to be better then an IROC (we're talking about cars that are almost 20 years old by now, who cares about stock for stock at this point.)

By todays standards an Unmodded IROC is slow, so is an unmodded RS, congrats you have a faster stock slow car, if that makes you feel good then be proud, personally I'd buy the better looking 3rd Gen and go from there, at this point unless your a collector it's all going to be modded anyway.

Originally posted by 85_LG4
Why is TPI no better?
Sweet (regardin the 400). What do ya have ready to put on the 400?

TPI is just useless for a quarter mile car, cause it runs outta steam at 4500 or so RPMs. THey can turn some mean eigths though.

I havent bought anything for the 400 yet, Im gonna wait till after christmas, so Ill have $ to spend. Ive been building around it letely. Race fuel pump, and Ive been doing lightning work to the car. I'm trying to get a tranny put together for it too, but I cant get one that I want.

Zekes is my hero.

Here here. Y'all shutup now, and stop insulting one another. kthx. :rolleyes:


:thumb: Have a good day fellas.

Well.. originally this thread started by asking wich is better.
The answer is IROC. (Maybe that is just my personal pref, but whatever..)
I thought that TPI dropped off at rpm's more like 5500?
Nice job on the 400..

No, Id say its dead at 4800 rpms max. But that crazy low end torque can be fun on the streets ;)

http://www.iroc-z.com/1988pics/1988brochure/1988iroczpostcardfront.jpg

thats why we all want the iroc-z, we do it for the LADIES just like this guy.

Originally posted by Z28James
http://www.iroc-z.com/1988pics/1988brochure/1988iroczpostcardfront.jpg

thats why we all want the iroc-z, we do it for the LADIES just like this guy.

:bow: :thumb:

Most of the women I've met preferred the RS apperance package, and could really care less how a care handles, just as long as they look good in it (which is why I said by the best looking car, it's should be modded anyway) I would say having an IROC around here would be a negative (lets just say most people use different words to complete the acronym)

That being say most of them women I've met would rather be in a mustang................ Thankfully I don't look to my car to pick up women

whats the difference between the rs and iroc appearance? besides different badges and the iroc sits lowered...and id think most girls would think that a lower car looks sexier? And as far as them prefering a mustang hey ford did a great job on the appearance of those cars personally i think they look like crap but the majority of people (hence the camaro not existing anymore) prefer them. But as soon as you have the girl sitting in your iroc and some moron in a 5.0 pulls up beside you and wants to play. Once you spank the hell out of him they suddenly seem to like the mustang a lot less? Plus ya gotta love the way they shreak when your gobs of torque puts you a little sideways going around a corner. Bad for my tires but oh so fun :)

Dude whatever, my car is the best looking type.
Big ole wing, 91-92 side effects/hood, etc.

Don't get me wrong I love camaros, I love the way they look and the way they drive. My g/f does to, which is why we both own one. I would recommend a camaro to anyone thats wants to buy one because they love to drive and they want to kick the crap out of 95% of the cars on the road. I just don't think you should buy one and expect panties to drop (This isn't the 80's, I don't think IROC's have that kind of appeal anymone )

man, i was just trying to spark some fun in this flamewar of a thread and people took me way too seriously :/

I do agree, 91-92 looks the best. The big aerowing, the hood blisters and all, the gage cluster doesnt have that 80s look anymore.

Now, when it comes to the ladies, my black 97 SS, now that thing did the trick :)

Originally posted by ZekesZ
I just don't think you should buy one and expect panties to drop (This isn't the 80's, I don't think IROC's have that kind of appeal anymone ) Heh you guys must all be old farts! :) i could understand with older girls how it would be slightly less impressive but im 17 and lets just say let the good times roll:cool:

You all have seen pictures of my shiny firebird with all the fancy crap on it compared to my crusty, old faded out camaro...

...the shirts were removed MUCH faster with the camaro then with the firebird... and it was just a faded blue RS. ;) My friends bright red with silver accent Z28 didn't get a bit of attention when I was around.

Women are funny creatures. Any attempt to understand them will only result in failure.

Long live...

:metal: CAMARO :metal:

Originally posted by doug791
Heh you guys must all be old farts! :) i could understand with older girls how it would be slightly less impressive but im 17 and lets just say let the good times roll:cool:

same here man, same here:D

Originally posted by doug791
Heh you guys must all be old farts! :) i could understand with older girls how it would be slightly less impressive but im 17 and lets just say let the good times roll:cool:

LOL. Well do have one of the better looking IROCs I've seen lately, looks nice in silver...

Originally posted by doug791
Heh you guys must all be old farts! :) i could understand with older girls how it would be slightly less impressive but im 17 and lets just say let the good times roll:cool: Yup, Same here, im 17, gurls love the black IROC. i just need rims!! 18" IROCs is what im goin for.

How you know so much about Camaros for being 17?

Originally posted by Kuruption562

How you know so much about Camaros for being 17?

Knowledge is gained through the will to learn. Not age.

Originally posted by DarthIROC
Knowledge is gained through the will to learn. Not age. Shiet, Im Willing to learn...

Originally posted by DarthIROC
Knowledge is gained through the will to learn. Not age.

:thumb: That sure is the truth. I'm only 16 Great to some younger kids with sweet rides.

-Rippin

If u want real info and not someones guessing no offence to those of u who know what ur talking about buy the book out of summit it will tell u all u want to know about 82-92 camaros it costs about 20 dollars but will help with the questions

hey my girls hot. you can check her out by clicking website under my post. i picked her up in a 2000 alero and she still dug me. i dont thing it matters much of the car. i was with her for 6 months before i got the iroc. id get laid in both if the camaro had a bigger back seat. anyway someone back on page 4 asked a question about motors of the same sort and why the same motor was faster in an iroc-z i think because most iroc-z came with the 323 posi rear instead of the standard 273 most came with. no i said most you may have a rare setting but that the majority. just think about it this way. compare your iroc-z and your z28 to a 2002 camaro ss and a 2002 camaro ss 35th anniversary. anniversary has 10 more hp (iroc-z came with a few added ponies going from carb to tpi) anniversary has different badges and interior. (iroc has different badges and grapics) and anniversary came with the ss wheels with black inlay( as hence the iroc-z with the 5 spoke aluminium 16 rims) i hope that put it in perspective a bit more but relax like many said we all have camaro, weather there 22.7 secs or 10 secs there a great car. it could be worse you could be driving a honda.

Originally posted by Ray86IROC
LOL. Well do have one of the better looking IROCs I've seen lately, looks nice in silver... Thanks man always love the compliments....the freaking car ran me 7 grand canadian and emptied my bank account had to work a year solid without touching a cent to be able to buy her. 86 thousand kilometers and never seen a winter and i love her to death.

Originally posted by Kuruption562
How you know so much about Camaros for being 17? Okay well theres two things. First of all ive always loved cars but have never been given the opportunity to being exposed to them as i was growing up. Since i got my baby and i have a specific car to learn about i am on the internet almost every night and instead of doing my homework im reading everything i can find about our cars, tech articles, read through a lot of the stuff from mags on the net like chevy hi performance, hot rodder etc. and every now and then ill venture into the advanced tech forum and try to understand wtf theyre talking about. Have found some stuff in there that i actually understood and its been some such cool info some of the guys on here are genuises. But its also things like one day i decided i was going to understand all of the things people talk about related to cam shafts like lsa, duration, lift, etc because while i understanded the very basics i didnt understand a lot or how any of them effected the other. I found about 3 good tech articles and read them over and over for a week because i just couldnt understand it but after reading the articles 100 times i finally got it.

The second thing is okay at the beginning of the summer when i got the car i couldnt have even told you where the intake on a car was. But i happen to have a friend who actually is a mechanic he does his co-op at a shop and worked there during the summer so he helps me with everything on my car. Have had to do a bunch of things like replacing an injector/egr, fuel filters, rear end fluids, just all sorts of little stuff that with a guiding hand allowed me to learn a ton of stuff out of necessity from having to work on it.

And that long winded answer is how i know so much at 17, but as far as im concerned i dont know jack. There are so many people that know soooo much more about cars then me that all i can do is bow down to them and try to absorb everything i can. I may know a bunch but no where near enough.

Does TPI make *A LOT* more torque than *ANY* carb ever will?
And I am only 16.. so I feel like a nobody on this board (lol) but I also like to absorb all that is said by all the awesome, friendly, and genius' people in this Board. I thank you all for being patient w/ a newwbie to Cars.

I'm no expert, and I don't know a lot about TPI or fuel injection in general, but whatever power you can gain with fuel injection, I know you can gain with carburated. The only difference really is cost and fuel economy. I had a 305 carburated in my firebird before the 327, and with just a decent carburator I was walking my buddies L98-powered GTA. Albeit, with a new intake, the GTA would then walk me.

For daily driving, I'd prefer to have fuel injection over carburated, obviously, as you save a helluva lot of gas. However, for anything high performance I would go with the carburated as it makes a lot more power for less money (and hassles).


Just my two cents. I'll let the big dogs respond to this though. ;)

Originally posted by KnightRider350
I'm no expert, and I don't know a lot about TPI or fuel injection in general, but whatever power you can gain with fuel injection, I know you can gain with carburated. The only difference really is cost and fuel economy. I had a 305 carburated in my firebird before the 327, and with just a decent carburator I was walking my buddies L98-powered GTA. Albeit, with a new intake, the GTA would then walk me.

For daily driving, I'd prefer to have fuel injection over carburated, obviously, as you save a helluva lot of gas. However, for anything high performance I would go with the carburated as it makes a lot more power for less money (and hassles).


Just my two cents. I'll let the big dogs respond to this though. ;)

Ok so its not about which can gain more power but which can do it and be more effecient at the same time.

IE which one has a later diminishing return.

Exactly. I was getting about 15 MPG, he was getting about 18 for the same power, give or take a car length.

And his also has the cool-looking, shiny tuned port manifold... chicks dig long, hard shiny things? :lol:

Originally posted by KnightRider350
I'm no expert, and I don't know a lot about TPI or fuel injection in general, but whatever power you can gain with fuel injection, I know you can gain with carburated. The only difference really is cost and fuel economy. I had a 305 carburated in my firebird before the 327, and with just a decent carburator I was walking my buddies L98-powered GTA. Albeit, with a new intake, the GTA would then walk me.

For daily driving, I'd prefer to have fuel injection over carburated, obviously, as you save a helluva lot of gas. However, for anything high performance I would go with the carburated as it makes a lot more power for less money (and hassles).


Just my two cents. I'll let the big dogs respond to this though. ;) im going to respond to this as best i can and hope i dont say anything too dumb. When youre talking about air flow in an engine you have two concerns volume and velocity. The nice thing about tpi is that the air coming through it has a really high velocity but the problem being there isnt a ton of air which results in high torque but your engine cant breathe up top. Now if you had any intake wether its carbed or efi if it flows the same amount of air at the same velocity you should get the same effect. As far as a carb you will probably lose some of the velocity but it is made up for that they are a lot less restrective then most efi intakes and dont have a problem breathing up top. This is why a lot of people like the efi because stop light to stop light you dont use your top end power.

As far as gas mileage again if you managed to achieve the exact same air/fuel ratio and same atomization in a carb as efi youd have the same gas mileage. The nice thing about efi is it handles changing weather conditions better because of the sensors that allow for the air/fuel ratio to be instantly changed but it is still dependant on the computer so it will only adapt so much. A carb on the other hand if tuned extremely well can achieve better gas mileage then tpi the problem is it has no way of adjusting things so if you want to keep that perfect air/fuel ratio you have to keep tuning your carb as the weather changes.

The other nice thing about efi is it is a lot more precise. The way the air and fuel mix in a carb are a lot less precise then happens in efi. Also for racing purposes efi is very nice because you can hook all of your little sensors up to a computer but thats usually a little past most street driven cars.

The cost efficency about carbs is that they have less supporting components then efi so there is just a lot less to buy. I wouldnt go efi-> carb because if you already have many of the needed components for efi its not much more expensive then using a carb and is a lot more precise.

Hope that answered your questions and hope i didnt get anything wrong.

:usa: The big dogs have spoken. :bow: :bow: :bow:

actually i wouldnt promise that i said everything right id actually really like some confirmation. Cars are very simple and run on very simple principles. Based on what i know and what i can deduce about air flow thats what makes the most sense to me. But if someone who actually has factual information can back my ideas up thatd be great!

Originally posted by doug791
actually i wouldnt promise that i said everything right id actually really like some confirmation. Cars are very simple and run on very simple principles. Based on what i know and what i can deduce about air flow thats what makes the most sense to me. But if someone who actually has factual information can back my ideas up thatd be great!

From what i read you were corect, though some of the explanations were vauge :thumb:

And Knightrider, for high perfomance applications you would be doing yourself harm, by not going fuel injection if you could do it. Fuel injection is just simply better. Have a much broader range of tuning properties, and information is more readily avaliable to you through computers and sensors. Where as in most cases carb tuning involve, playing with float levels and stuff till you think you have it right.

Fuel injection can flow one hell of alot more fuel and things to for high performance nitrous and especially forced induction applications.

I just meant as far as the budget build, most-bang-for-buck trick, carburator's were the way to go. Obviously if you can afford it, go fuel injected. I just didn't want to spend more then $500 on my entire intake. ;)

I'm a cheap, poor redneck bastard. :D Sue me. :eek:

Ok.. now I see why TPI makes more bottom end.. the velocity the air enters the engine.. and I know why they suck up-top, they are limited due to their high-velocity.
Thanx for clearing this up.. just one of the many questions that piss me off until I find out the answer.

Originally posted by Z28James
As far as an RS "not being worth anything" I have 3 digits for you. B4C.


"Then the B4C police package was added, and then it was equipped with the Corvette L98 5.7 aluminum head motor, fitted with siamesed intake runners and tubular headers. This brought the horsepower rating up to 270."

Id say that a 270hp RS has your precious IROC-Z covered.

Nobody corrected this so I had to. That B4C package used the EXACT SAME engine as the 91-92 Z28's. That Corvette aluminum head engine with siamesed intake was the planned 25th Anniversay model. It was scrapped when they were going to cost as much as a new Corvette. GM planned to make 602 of them, same as the number of 1967 Z28's.