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my bolt-on LT1 vs two LS1's------>

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Old May 31, 2005 | 06:52 PM
  #31  
GPZ28's Avatar
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Re: my bolt-on LT1 vs two LS1's------>

Originally Posted by Bersaglieri
Regardless neither traps or ET's show everything about a car's performance, especially from a roll.

-Dustin-



Really? that is funny

What else would show how a car performs? (internet racing)
Old May 31, 2005 | 08:02 PM
  #32  
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Re: my bolt-on LT1 vs two LS1's------>

Well while internet racing can be funny, in real life its nowhere near that simple either.
First off are your talking on the street or track and even then its not clear and simple.

Stock ls1 were run at like 12.89 I think with Evan Smith driving. Yet there is not one ls1 at my track that can come even remotely close to that stock. Altitude is part of it,traction at the track is another. Lots and lots of variables.
When you are talking manual cars it gets much worse as they are much much harder to drive consistently at the track or anywhere. You can short shift and lots of people think they should shift way under where they actually should or you can bounce off the revlimiter,do the 3 to 2 thing!! hit fifth instead of third..etc. and from a roll manuals can be even worse if driver is say in sixth or fifth and doesn't gear down its pretty easy to beat them. I got smoked in a highway roll on when my 99 was brand new by auto stock lt1.
I had the car in fifth not third and the lt1 destroyed me..yes with my superior hp and all that !! We repeated it in third and I smoked him so bad he asked if I had nitrous. But his car was also we later found out not running on all 8 cylinders. More variables..tuning and state of tune of the car,how many miles on it etc. All cars lose power as the mileage piles up.

Auto cars are much easier to race with ,no gears to miss just let the computer shift.the old autos sucked and you could get much better times shifting the auto manually. But traction is also a problem on street tires with autos and stall converters and more gear. I can't get a sixty foot right now much under a 2.3 no matter what I try on my cooper cobras with my newly installed vig 2800 and 3.42 gear swap. I need drag type tires at least nittos to hook at all on the street or the track.

I will say this one more time as its obvious to anyone that goes to a real track. Mph don't make the one car win for sure at the end of the track.
60ft and traction can often let a slower mph car win easily. I have a talon awd turbo .They can pull 1.6 60fts on street tires! There mph might be way lower than my ls1 or lt1 stock but the quartermile times can be similar and in a shorter race like 1/8 mile or light to light the awd will crush most rwd or fwd cars easily regardless of their power level.

In real life slower cars win all the time. At the track and on the street.
A stalled up and geared up lt1 can close the hp gap over an ls1 off the line if it gets traction it needs. From a roll the stall isn't doing as much and then the gears come into play. I could pull away quite a bit from buddies identical 99 taws6 with my 3.73 to his 3.42 both m6 cars.

So yes we know the faster mph car should win. But that is also pure bench racing. Should of and could off have little to do with real world at the track or street. One last example. I raced my buddys 99 taws6 with all bolt ons and long tubes. I ran a 14.4 at 95 with a 2.30 60ft and he ran a 14.2 at 105 or something have the slip somwhere with a like a 2.8 60ft..!! He got nervous as I kept rattling him and he smoked the tires off completely at the launch, he was on street tires and then had to back out of it hurting his mph some too I guess. I almost beat him on et! Yet he had probably 100 hp on my car or more.
Later that night he got his 60fts down and got a 13.4 at 106 or something. We are at 1800 feet so that hurts times too.
But that should make the point. In that first race I could likely have put 4 or more car lengths on him if had my stall that have now and a serious sticky tire.

I would also like to say that I have had three lt1s ,96 ta ,97 taws6 with quite a few mods and now decently modded up 96z28 vert . I also have a 99 ta ws6 with cam and all bolt ons but headers. From a roll since haveing been modding the ls1 much lately the ls1 was quite a bit faster than the auto vert . But off the line its much closer now with gears and stall in the vert.
Lt1 are not light years behind the ls1. And I still think they sound better and the engines look nicer and around town the lt1 stock for stock is better than the ls1.
But I still love my ls1 too!!! Now lets all go back to hating mustangs or hondas or something f body brothers!!

Last edited by 80TA; May 31, 2005 at 08:05 PM.
Old May 31, 2005 | 10:37 PM
  #33  
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Re: my bolt-on LT1 vs two LS1's------>

check my time in sig.........Lt1's are not slouches if they are done right. As soon as I get a stall I should be around a 12.6 or so. Mph can be had in the Lt1, just gotta get a decent tune and make sure everything is running right.

And on another note, I find it very easy to get stuck in a dead spot from a roll with my 4l60e tranny, which very well could have happened to the ls1 car. My car feels like a turd when I get on a dead spot, but when it downshifts correctly it takes off!
Old May 31, 2005 | 11:25 PM
  #34  
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Re: my bolt-on LT1 vs two LS1's------>

Anything can happen on the street.

Dan
Old Jun 2, 2005 | 10:58 PM
  #35  
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Re: my bolt-on LT1 vs two LS1's------>

I dont think anyone said that lt1's are slouches. I dont think anybody bashed an lt1. All I've read was how car A. traps 102 and pulled 4-5 cars on car B. that traps atleast 102 on a real bad day. Who gives a crap what motor is in a or b, I just dont see it happening...............sorry


LT1
LS1
Old Jun 3, 2005 | 11:16 AM
  #36  
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Re: my bolt-on LT1 vs two LS1's------>

Originally Posted by GPZ28
I dont think anyone said that lt1's are slouches. I dont think anybody bashed an lt1. All I've read was how car A. traps 102 and pulled 4-5 cars on car B. that traps atleast 102 on a real bad day. Who gives a crap what motor is in a or b, I just dont see it happening...............sorry


LT1
LS1
I'm shocked. Another member with reading comprehension skills....so rare anymore.
Old Jun 3, 2005 | 01:16 PM
  #37  
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Re: my bolt-on LT1 vs two LS1's------>

Originally Posted by 97bowtie
I'm shocked. Another member with reading comprehension skills....so rare anymore.
Lol, at least there are a few of us that can think clearly, comprehend the english language and use basic math skills.

You know like,

102 < 103 < 104 < 105
Old Jun 4, 2005 | 09:13 PM
  #38  
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Re: my bolt-on LT1 vs two LS1's------>

Something dont sound right. Im sure with a story like this its already been pointed out so Im not gonna even waste my time reading the threads.
My LT1 was trapping 105 and ran a easy 13.0 when I raced it from a roll in my TA with one of my best firends driving" he is the one that ran a few 13.0's in it"..me being stock I pulled it w/ease, Bone stock!!!
Unless you where driving against ls1's running on 6 cylinders I find this very hard to swallow.
Old Aug 29, 2005 | 07:36 AM
  #39  
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Re: my bolt-on LT1 vs two LS1's------>

I am not gonna say BS but I have a mild bolt on 95 LT1 Z28 and I have just bought a 99 LS1 Z28 and the LS1 feels quicker everywere and it's a A4 2.73 gears car my lt1 has 3.73's other mods in sig ( can't count Nos as I don't have it working yet)
Old Aug 29, 2005 | 10:42 AM
  #40  
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Re: my bolt-on LT1 vs two LS1's------>

These kind of stories crack me up. So many variables to consider...... did both of you hit the gas at the exact same time? Were you exactly side by side? Were you going the same initial speed?

The reason folks wave the BS flag is because they aren't really thinking about things. A stock LT-1 can take a stock LS1 if the LT-1 gets a head start..... it's alot tougher to reel in a car when it has a length and a half second head start. It's not like both hit the gas from a dig at the exact same time. That's why there are so many variables...... the LS1 could have even missed a shift. Bottom line is anything can happen. My bolt on LT-1 runs a 13.0 at 107 and has yet to lose to a stockish LS1 in the quarter. I'm also not dumb enough to try and run a LS1 vette up to top speed, I would get walked above 110. Generally speaking, a bolt on LT-1 makes about the same power as a stock LS1. GM has been doing that for years...... the same thing goes for L98s..... a bolt on L98 is about the same as a stock LT-1. Been there, done it. It's all part of the horsepower race and marketing.
Old Aug 29, 2005 | 01:25 PM
  #41  
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Re: my bolt-on LT1 vs two LS1's------>

You guys are simply getting caught up in internet racing and completely glazing over the fact that tracks vary, and this guys 102mph at his track may be substantially lower than the "commonly accepted" average mph and 1/4 times for any given car while actually being faster all things being equal... That 102mph run may very well be enough to walk your average near stock LS1. Unless he made it up the 1/4 times posted on page 2 show the LS1 running 101-102 mph at the track he runs at, w/ the modded LT1 in question getting a best of 105... It also says in his sig that 102mph run was before the gears/tuning which w/ cam could make a huge difference, or did I misread that??

I don't think you can take some mph posted at a unknown track w/ unknown conditions and then throw down a definitive "a stock LS1 will mph way over that and kill you" statement without taking a lot for granted...

Last LS1 (A4) I ran twice at the incredibly crappy track here (only 1200ish feet altitude, can't explain but everyone is slow there at least the days I've been there) in fairly hot conditions was barely pulling 100mph through the traps...

Last edited by Ray86IROC; Aug 29, 2005 at 02:51 PM.
Old Aug 30, 2005 | 07:12 AM
  #42  
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Re: my bolt-on LT1 vs two LS1's------>

I have a 97 z28 a4 3.23 w/cut out and CAI. I have run a 13.78@100.11 on a 2.1 60ft. This was at HRP in 80* with 100% humidity.

I have raced a few ls1's

98 z28 w/boral, same one w/borla and gears (6speed)
98 Ta Stock a4 3.23s
2k1 z28 nittos a4 2.73
98 Ta a4 2.73's stock

Racing the 98 i beat him from a stop on numerous occasions b/c of launch quality. Off of a low roll race (ie 20mph) I could run door to door to about 75 and then get jumped by like 3-4 cars.

After the gears and nittos no matter stop or punch i got left like i was standing still.

Against the 98 t/a we raced from 45mph punches each time I could pull his bumper to my door until 95mph when we let off.We ranb 3 times with the same result each time.

The 2k1 z28 freight trained me from low roll 15mph or a dead stop, and on both occasions i was given the hit.

98 Ta w. 2.73's we would run door to door from 25 to 85 w/ him taking the jump. He would get a slight pull and by the top of second i was pulling by him, and we would shut it down.

From my personaly experiences I take this. LS1's especially the new ones are flat out faster. The only ones I could hang with were pure stock 98's and one with god awful gear. When there was a bolt on race it was no comparison i got walked.


Just my 2 cents
Old Aug 30, 2005 | 06:02 PM
  #43  
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Re: my bolt-on LT1 vs two LS1's------>

Did anybody even consider what DA the 102 run was in? Look at the LT1's mods. The guy lives in texas, and probably ran that during extreme heat/humidity. So stop trying to compare his 102 trap to the greatest LS1 trap you have ever heard of in great weather. Didn't the original poster even post up him vs an LS1 at the track and the LS1 trapped what 102? That LS1 time that was posted up would be mid-low twelves @110 in my area. It think you guys are forgetting DA.
Old Aug 31, 2005 | 08:28 AM
  #44  
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Re: my bolt-on LT1 vs two LS1's------>

Originally Posted by CamaroGuy22
Did anybody even consider what DA the 102 run was in? Look at the LT1's mods. The guy lives in texas, and probably ran that during extreme heat/humidity. So stop trying to compare his 102 trap to the greatest LS1 trap you have ever heard of in great weather. Didn't the original poster even post up him vs an LS1 at the track and the LS1 trapped what 102? That LS1 time that was posted up would be mid-low twelves @110 in my area. It think you guys are forgetting DA.
That's a BS argument. Think about it for a minute, what time is put in a persons sig?

Thier current best.

How many people have a current best time that was run in very hot and humid weather?

Not very many.

He's was low 13's @ 102 at that time which seems about right for a A4 with bolt-ons, 3000 stall and most likely moderate weather. However, any stock LS1 has better top end, higher trap and the capability to run a low 13. His best advantage would be from a dig so he can get full use of the torque converter. But he was claiming to pull trains from a roll on cars more rwhp and higher traps. He was also claiming to have beaten LS1's with mods including LT headers that add a good 20-25 rwhp.

Sorry but IMO this story still seems to lean towards
Old Sep 1, 2005 | 09:32 PM
  #45  
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Re: my bolt-on LT1 vs two LS1's------>

Originally Posted by darrens99formul
That's a BS argument. Think about it for a minute, what time is put in a persons sig?

Thier current best.

How many people have a current best time that was run in very hot and humid weather?

Not very many.

He's was low 13's @ 102 at that time which seems about right for a A4 with bolt-ons, 3000 stall and most likely moderate weather. However, any stock LS1 has better top end, higher trap and the capability to run a low 13. His best advantage would be from a dig so he can get full use of the torque converter. But he was claiming to pull trains from a roll on cars more rwhp and higher traps. He was also claiming to have beaten LS1's with mods including LT headers that add a good 20-25 rwhp.

Sorry but IMO this story still seems to lean towards
What? Uhh well me for starters, I only have one track time and it was in not so great weather.

My Cold air and catback Vert LT1 trapped 101. Do you think a Full exhaust cammed LT1 should trap 102????? His time in the sig quotes before gears/chip. Which from reading that I gather he did that run on stock tune...which would hurt performance quite a bit.

Get off of your LS1 horse. I have a friend that has a 99 trans am with jet hot longtubes, ORY, and SLP loudmouth, and lid and runs consitant 13.2's@106 with 2.0 60' in 1,500 DA. Another guy with an LS1 has lid,magnaflow cat-back and ran a 12.90@108 with a 1.97 60' in 4,000 DA (Both A4's). Not ALL LS1's are low 13 second cars stock, and not all LS1's are created equal. There are guys on my local f-body board that have turned mid 13's@ 104 in stock LT1's. Obviously this is not the norm. The LS1 is a half second superior average times vs average times stock for stock, and basically mod for mod.But it is totally conceivable that a good running LT1 could take out a poor running LS1 in stock form, let alone a cammed, full exhaust, gears, tune LT1 vs a full ehaust LS1. Don't be so quick to pull out the BS flag because an LT1 beat an LS1.


"xe230/236, 3.73's, LT's, x-pipe, bullets, 3000 stall, k&n, 52mm TB, et streets, tune, free mods
best et-13.03@102mph(before gears/chip)
best 60ft-1.75"

Last edited by CamaroGuy22; Sep 1, 2005 at 09:42 PM.



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