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LS1 vs 3rd Gen TPI

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Old Mar 7, 2003 | 07:30 PM
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LS1 vs 3rd Gen TPI

Well raced a 98 Formula today and ran pretty close in the quarter, he might have had me at the end but it was close. Pulled pretty hard on him in 1st and some in 2nd then he pulled up right next to me in 3rd right as I hit 100mph and he was doing 110-115mph. So we figured that was roughly the 1/4 mile, so we shut um down.
I was just running my stock 88 GTA with ET Streets and he had a stock 98 Formula M6 that runs 13.5's at the track.
So I thought I would share that with everyone.
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Old Mar 7, 2003 | 07:31 PM
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Transferred to the theoretcial and street racing board
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Old Mar 7, 2003 | 08:05 PM
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Car: 1989 Iroc Z L98
Re: LS1 vs 3rd Gen TPI

Originally posted by FactoryFreak
Well raced a 98 Formula today and ran pretty close in the quarter, he might have had me at the end but it was close. Pulled pretty hard on him in 1st and some in 2nd then he pulled up right next to me in 3rd right as I hit 100mph and he was doing 110-115mph. So we figured that was roughly the 1/4 mile, so we shut um down.
I was just running my stock 88 GTA with ET Streets and he had a stock 98 Formula M6 that runs 13.5's at the track.
So I thought I would share that with everyone.
People are going to call BS on this because they think the LS1 cars are supercars on this board, but it sounds like a believable race to me. I bet those ET streets really help off the line with your TPI torque eh? What mods do you have?
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Old Mar 7, 2003 | 08:51 PM
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I find it believable. It is common to hear about a DSM or some other AWD kind of car pulling on an LS1 out of the hole, then the LS1 just flies by when it hits 3rd. Stoplight to stoplight are not the LS1 greatest strength, they are highway monsters. The slicks probally helped you get over the problem that must TPI
F-body have. They have the torque but they cant put it down without burning their tires. Good run, no shame in getting beat by an LS1, I would say that you would be right in the range of low 14's with slicks.
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Old Mar 7, 2003 | 09:23 PM
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Yep, I've driven an LS1 vette for 4 years and an L98 for 2, and know them both well. The motors have the exact same peak torque from the factory; 345 ft. lbs. But the L98 hits it at 3200 rpm and the LS1 hits it around 4000. Traction makes you look like a hero from 0-60, but when that LS1 puts his 80 more horsepower down you go bye bye.
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Old Mar 7, 2003 | 10:06 PM
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Car: 1987 Trans Am GTA
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Hey man, nice run! Those tires looks like they helped u out. Man if u get some slicks i could be seeing low 14s as well
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Old Mar 8, 2003 | 01:19 AM
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When you say you are pretty much stock right now what do you mean? I find it very hard to believe that you ran a 13.5 with just slicks. And just to let you know a stock ls1 wont be hitting 115 mph in the 1/4. Oh and by the way most stock ls1's dyno over 300 ft lb feet of torque all the way from 2000 rpm to over 6,000 rpm, seems like a pretty good torque curve to me. Sorry, but I'm gonna call on this story.

Last edited by 25THRSS; Mar 8, 2003 at 01:25 AM.
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Old Mar 8, 2003 | 02:49 AM
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350 tpi vs LS1 stock for stock the LS1 will beat you by a good six to eight car lengths in the quarter mile at least, all else equal. You might be even up to about 50 if you get a good launch, but after that you'd fall way behind.
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Old Mar 8, 2003 | 03:26 AM
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98 is the worst year LS1 Camaro power wise. Couple that with the fact that stock they are mid/high 13's or worse with an average driver. The TPI car was on slicks, the LS1 car probably launched terrible with the M6. I find it believable.
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Old Mar 8, 2003 | 03:35 AM
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From: Medford, Oregon
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Originally posted by 25THRSS
Oh and by the way most stock ls1's dyno over 300 ft lb feet of torque all the way from 2000 rpm to over 6,000 rpm, seems like a pretty good torque curve to me. Sorry, but I'm gonna call on this story.
I really wish that you would make more educated responses. 1998 was not the awesome output year for the LS1. Actually, take a look at this dyno from HOT ROD magazine, where it makes under 300 ft lbs all the way to about 3800 rpm and drops off at 5k rpm.


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Old Mar 8, 2003 | 06:45 AM
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From: Lincoln, NE
Car: 1988 GTA
Engine: 350 TPI
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Here's my list for pretty much stock
Dynomax 3" Exhaust
MSD 6A ignition
custom cold air intake
M/T ET STreets
Weld Pro Stars (skinnies up front)

It might have been different at the strip but on the street LS1's can't launch, he's still waiting for his Nittos to get here, been back ordered forever.
You can believe if you want, it's up to you. My car runs low 14's with one run in the high 13's last summer
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Old Mar 8, 2003 | 07:08 AM
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Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
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At the strip, my LG4 305 hangs with an LS1 for about 50 feet.
http://www.transamws6.com/video/Manny_vs_Charles.mpg
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Old Mar 8, 2003 | 12:27 PM
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Car: 1987 Trans Am GTA
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Hey zepher just saw your video. Man from just looking at the video, looks like u were right on his ***. So the LS1 got a 13.12 and u got a 15.24, thats not too bad, and ya for about 2-3 sec u were right with him, but after that, bye bye!
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Old Mar 8, 2003 | 12:44 PM
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nice run!!
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Old Mar 8, 2003 | 03:13 PM
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Originally posted by unknown_host
I really wish that you would make more educated responses. 1998 was not the awesome output year for the LS1. Actually, take a look at this dyno from HOT ROD magazine, where it makes under 300 ft lbs all the way to about 3800 rpm and drops off at 5k rpm.

http://twalker.d2g.com/dynotest.JPG
There are no significant changes to the LS1 from 98-00. That dyno is still very close to the average LS1 dyno over the years, not as you make it out to be no comparison or something... The 98-00 LS1s actually have a slightly hotter cam than the 01-02s, but without the 01-02s LS6 intake... Many of the higher 01-02 dyno results are also due to the factory SS and WS6 stuff where you could get a lid and catback as "stock" options. Here's another bone stock 98 dyno just randomly grabbed from ls1.com

98' Trans Am M6
bone stock
13.395 @ 102.60 w/ 2.106 60ft
dyno #s 309/329
A 98 is the car the Evan Smith drove to the 12.89 dead stock that everyone loves to quote for the LS1s awesome performance (unless I'm mistaken it was a 98 anyway, could have been a '99 but with no signficant changes from 98-00 it's still worth noticing...) True the 01-02 Cars often dyno a little more, but it's not a night/day comparison like your statements would indicate.

Last edited by Ray87Z; Mar 8, 2003 at 03:55 PM.
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Old Mar 8, 2003 | 04:55 PM
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If this at the track it is not at all far fetched. My little 14.0@96 made a 2001 blown M6 WS6 TA crapp his pants tell he pasted me just past the 1/8 mark. Granted it looked like I was standing still. Final times me 14.1 @ 95 with a 1.98 60'. Him 13.2 @ 115 with a mind blowing 2.9x 60'. Hooking is the best way to make anyone faster than u freak. Gota love dragstrips. Of course same holds true on the streets. I dont care how fast you are, if you dont hook up you are going to be looking at tail lights.
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Old Mar 8, 2003 | 05:23 PM
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All LS1s are different in power.
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Old Mar 8, 2003 | 06:40 PM
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Originally posted by Ray87Z
There are no significant changes to the LS1 from 98-00. That dyno is still very close to the average LS1 dyno over the years, not as you make it out to be no comparison or something... The 98-00 LS1s actually have a slightly hotter cam than the 01-02s, but without the 01-02s LS6 intake... Many of the higher 01-02 dyno results are also due to the factory SS and WS6 stuff where you could get a lid and catback as "stock" options. Here's another bone stock 98 dyno just randomly grabbed from ls1.com



A 98 is the car the Evan Smith drove to the 12.89 dead stock that everyone loves to quote for the LS1s awesome performance (unless I'm mistaken it was a 98 anyway, could have been a '99 but with no signficant changes from 98-00 it's still worth noticing...) True the 01-02 Cars often dyno a little more, but it's not a night/day comparison like your statements would indicate.
Who do you believe, a reputable magazine or a guy that posts on a forum. I guess I made the 98 out to sound like a lame duck, it just wasnt the best LS1 year. 01 and 02 are the factory freak cars. I am so tired of hearing about how great LS1 cars are. I know quite a few people whose LS1's didnt dyno over 300 rwhp. Do you really think the people whose LS1's dont dyno over 300 at the wheels are going to post their numbers on LS1.com so people can make fun of their cars for sucking?
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Old Mar 8, 2003 | 09:43 PM
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That's funny! you just describe, the same race I had with a LS1 SS. I 'd kill him on the the launch, but then he'd catch up at about 3rd and blow on by. Everytime I'd look like a hero in 1st and 2nd but once third hit it was all over, I'd look over and see him pass by. But he was a cool guy, me and him raced each other like 5 times. But he was bone stock, and I'm mildly modded: HSR, Headers, 3inch exhaust, 3:42 gears. My high was a 100mph but he was running around 103mph each run. I got some pics from that day too, I have to upload the rest later.
http://community.webshots.com/photo/...44735517hburlP
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Old Mar 8, 2003 | 11:09 PM
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From: Glen Allen, VA
Originally posted by new87
If this at the track it is not at all far fetched. My little 14.0@96 made a 2001 blown M6 WS6 TA crapp his pants tell he pasted me just past the 1/8 mark. Granted it looked like I was standing still. Final times me 14.1 @ 95 with a 1.98 60'. Him 13.2 @ 115 with a mind blowing 2.9x 60'. Hooking is the best way to make anyone faster than u freak. Gota love dragstrips. Of course same holds true on the streets. I dont care how fast you are, if you dont hook up you are going to be looking at tail lights.
13.2 at 115???? There is no way. Maybe he dumped the clutch at 6,000 on street tires? I just got back from the track and ran a 13.2 at 106 in my ls1. There is no way he ran a 13.2 at 115, thats just crap.
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Old Mar 8, 2003 | 11:12 PM
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From: Glen Allen, VA
Originally posted by unknown_host
I really wish that you would make more educated responses. 1998 was not the awesome output year for the LS1. Actually, take a look at this dyno from HOT ROD magazine, where it makes under 300 ft lbs all the way to about 3800 rpm and drops off at 5k rpm.


There is another member on here with an ls1 who just had his car dynoed before he did any mods to it and it dynod over 300 from 2000 to 6000. I dont remember his name. If you see this will you post your graph please. I'm not saying every single car does it, but a lot have completely stock.

Last edited by 25THRSS; Mar 8, 2003 at 11:16 PM.
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Old Mar 8, 2003 | 11:14 PM
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13.2 at 115...LOL. ummmm..NO!
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Old Mar 8, 2003 | 11:16 PM
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Who do you believe, a reputable magazine or a guy that posts on a forum.
I believe both, because they are both within 20rwhp of each other, and well within reasonable variation between different dynos and different LS1s. Just saying 98 wasn't some slug year.

Originally posted by 25THRSS
13.2 at 115???? There is no way. Maybe he dumped the clutch at 6,000 on street tires? I just got back from the track and ran a 13.2 at 106 in my ls1. There is no way he ran a 13.2 at 115, thats just crap.
Notice the 2.9 60 foot part? Woulda been at least a low 12 with a decent launch...

Last edited by Ray87Z; Mar 8, 2003 at 11:19 PM.
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Old Mar 8, 2003 | 11:18 PM
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Thats gotta be one of the world's crappiest drivers ever to run that time.
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Old Mar 9, 2003 | 01:16 AM
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Originally posted by Ray87Z
INotice the 2.9 60 foot part? Woulda been at least a low 12 with a decent launch...
Well a lest someone can read! Thus the resean I try to stay away from this board as much as possible. Most of you sound like the guy with 11 sec Civic I put down by a full sec. Take your car to the track and really see what it's made of. I think a lot of you will have a rude awakening.
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Old Mar 9, 2003 | 01:19 AM
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From: Glen Allen, VA
Originally posted by new87
Well a lest someone can read! Thus the resean I try to stay away from this board as much as possible. Most of you sound like the guy with 11 sec Civic I put down by a full sec. Take your car to the track and really see what it's made of. I think a lot of you will have a rude awakening.
Just did last night. Ran a 13.2 at 106 mph on a 2.1 60 foot. I was more impressed with my reaction time though. I cut a .508 at the tree so I'm pretty happy.
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Old Mar 9, 2003 | 01:31 AM
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From: Where the Devil Dances, IL
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Originally posted by 25THRSS
Just did last night. Ran a 13.2 at 106 mph on a 2.1 60 foot. I was more impressed with my reaction time though. I cut a .508 at the tree so I'm pretty happy.
Good times, if you end up cutting a low 1.8 like you could with the HP u have mid 12's in your future.

I just ran the numbers for you non-belivers. If the WS6 would have cut a 1.6 or better 60' like it should have, he'd have run an 11.8-11.9. 60' is very important at the track. For every .1 off the 60' = .2 at the 1/4. But I'm sure you all spend more time at the track than I do. Seen as how I work there.

Edit: Here is the time slip.
Him Me
R/T .972 R/T .552
60' 2.681 60' 1.997
330' 6.224 330' 5.965
1/8 9.027 1/8 9.069
1/8 88.69 MPH 1/8 79.35 MPH
1000' 11.403 1000' 11.756
1/4 13.390 1/4 14.032
1/4 114.47 MPH 1/4 96.43 MPH

Last edited by new87; Mar 9, 2003 at 01:50 AM.
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Old Mar 9, 2003 | 01:35 AM
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I know my 60 foot sucked, but that was with my snow tires on and i just couldnt get traction. Next time I go I think I'm gonna have a pair of slicks
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Old Mar 9, 2003 | 01:39 AM
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From: Where the Devil Dances, IL
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Originally posted by 25THRSS
I know my 60 foot sucked, but that was with my snow tires on and i just couldnt get traction. Next time I go I think I'm gonna have a pair of slicks
Hell ya do it right, ET streets or ET drags!
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Old Mar 9, 2003 | 03:08 AM
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All I am saying is the major consensus on what LS1's dyno is largely based upon people who post their dyno #'s, and those whose cars arent factory freaks probably arent going to post their power #'s so people dont give them ****. Just something to think about is all.
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Old Mar 9, 2003 | 03:16 AM
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the lowest i think ive ever heard of an ls1 dynoing stock was around 280 hp to the wheels. Ive seen stocks ones dyno as much as 330 to the wheels. Either way thats not bad at all!
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Old Mar 9, 2003 | 09:19 AM
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To the people calling BS to this story try this link: http://www.gmmodernmuscle.com/forums...pic.php?t=1466
I am FactoryFreaks roommate and good friends with the owner of the '98 Formula. I was riding shotgun in the Formula to give the GTA a little bit of an advantage (235 lbs), and we couldn't find a clear stoplight to run from so we pulled to an open stretch of road and gave the GTA the leave. So yes it is a very believable story.

Martin
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Old Mar 9, 2003 | 07:17 PM
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Originally posted by 25THRSS
the lowest i think ive ever heard of an ls1 dynoing stock was around 280 hp to the wheels. Ive seen stocks ones dyno as much as 330 to the wheels. Either way thats not bad at all!
As far as I'm concerned dyno's on these cars mean absolutely jack squat. Reason being I've watched and LS1 run 14.20's all night. But, today, at the track I watched a bone stock '01 Trans Am run 13.46. All LS1's are different in power I agree. Just depends on which one you pick. I think this is a possible story. Nice race.
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Old Mar 9, 2003 | 07:36 PM
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From: Glen Allen, VA
It has a lot to do with the driver too. A Z06 is capable of running 12's easily, but there have been plenty of them that cant even break into the 13's because the drivers suck. No properly driven LS1 in descent conditions and altitude will run 14's.
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Old Mar 9, 2003 | 07:43 PM
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Absolutely 25THRSS, people forget when they talk about what cars CAN do, that what the car WILL do depends how well the owner can drive it.
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Old Mar 9, 2003 | 07:46 PM
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Originally posted by BadBowtie88
Absolutely 25THRSS, people forget when they talk about what cars CAN do, that what the car WILL do depends how well the owner can drive it.
exactly, I agree 100%
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Old Mar 9, 2003 | 09:21 PM
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FWIW two of my friends dynoed their '98 T/A's and both were below 270 RWHP. I don't remember exact numbers. Both had lids, one had a cutout and the other a Flowmaster.

Also third gear isn't when the LS1's actually start pulling on all the cars, it's actually second. I found this out through extensive research on both street and track between my GTA and my friends '00 WS6 (which runs 12.50's). On the street we would be pretty much dead even in first, then we hit second and would pull 2-3 cars on me. When we hit third, we would stay about dead even again. When we raced at the track we compared 1/8th mile and 1/4 mile times. We found that my GTA would actually pull back about a tenth or two from the 1/8th mile marker to the end of the quarter. This fact really shocked me at first, but that's just what happens.
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Old Mar 9, 2003 | 10:59 PM
  #38  
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From: Glen Allen, VA
Originally posted by Scott 88 GTA
FWIW two of my friends dynoed their '98 T/A's and both were below 270 RWHP. I don't remember exact numbers. Both had lids, one had a cutout and the other a Flowmaster.

Also third gear isn't when the LS1's actually start pulling on all the cars, it's actually second. I found this out through extensive research on both street and track between my GTA and my friends '00 WS6 (which runs 12.50's). On the street we would be pretty much dead even in first, then we hit second and would pull 2-3 cars on me. When we hit third, we would stay about dead even again. When we raced at the track we compared 1/8th mile and 1/4 mile times. We found that my GTA would actually pull back about a tenth or two from the 1/8th mile marker to the end of the quarter. This fact really shocked me at first, but that's just what happens.
wow thats insane, ive never even heard of any ls1 that was in propper running order dynoing numbers that low. Chevy underrated the LS1 from the factory. Most are pushing over 350 hp at the crank dead stock and dyno over 300 to the wheels. 270 seams insanely low even if they were both autos. And by the way, how does a car that only traps 103 mph pull back a tenth or 2 after the 1/8th on a car that traps an overage of over 105 bone stock? Either the person didnt know how to drive or something was wrong with their car. I'm not calling you a liar, but i just dont see that happening.

Last edited by 25THRSS; Mar 9, 2003 at 11:02 PM.
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Old Mar 9, 2003 | 11:46 PM
  #39  
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Car: 88 GTA
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Believe me, I don't understand it any more than you do. I'll have to see if I can dig up a timeslip that shows this. Basically we went by the ET's. I usually run about an 8.7 sec 1/8th mile ET and my friend runs a 7.9 (for example, I don't remember if this is accurate). The difference between our ET's at this point is .8 of a second. At the end of the 1/4 I'd end up with a 13.4 and he'd have a 12.7 Now the difference is only .7 seconds. I have no idea why I can pull him like that way up top, but I do at the track.
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Old Mar 9, 2003 | 11:49 PM
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From: Glen Allen, VA
Originally posted by Scott 88 GTA
Believe me, I don't understand it any more than you do. I'll have to see if I can dig up a timeslip that shows this. Basically we went by the ET's. I usually run about an 8.7 sec 1/8th mile ET and my friend runs a 7.9 (for example, I don't remember if this is accurate). The difference between our ET's at this point is .8 of a second. At the end of the 1/4 I'd end up with a 13.4 and he'd have a 12.7 Now the difference is only .7 seconds. I have no idea why I can pull him like that way up top, but I do at the track.
hmmmm, weird, slow shifting maybe???? I dunno, thats interesting though. Thanks for the story
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