3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

difference between iroc and rs

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Old 10-25-2003, 11:38 PM
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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.

Last edited by mako350Z28; 10-25-2003 at 11:40 PM.
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Old 10-25-2003, 11:46 PM
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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 *** handed to you these days and thats the truth
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Old 10-26-2003, 02:27 AM
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I just got my *** 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 *** with seconds. lol.
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Old 10-26-2003, 04:35 AM
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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...
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Old 10-26-2003, 04:57 AM
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I suppose you just had to be there...
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Old 10-26-2003, 10:41 AM
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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

Last edited by krazzycowgirl; 10-26-2003 at 10:55 AM.
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Old 10-26-2003, 10:52 AM
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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...
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Old 10-26-2003, 06:34 PM
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Originally posted by KnightRider350
I just got my *** 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 *** 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 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
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Old 10-26-2003, 06:40 PM
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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 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
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Old 10-26-2003, 06:48 PM
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Originally posted by DarthIROC
high technology of the car
hahaha high?
 
Old 10-26-2003, 06:50 PM
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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
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Old 10-26-2003, 06:53 PM
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Originally posted by Pro
hahaha high?
Well more technology than Im used to dealing with on carbed small blocks anyway
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Old 10-26-2003, 08:41 PM
  #58  
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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*
 
Old 10-26-2003, 08:56 PM
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Same exact engine.
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Old 10-26-2003, 09:13 PM
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Well which engines, may I ask, where the same?
 


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