BLOODTA

iTrader: (19)

This is kind of a stupid question, but here goes. I have a 2000 Trans Am, A4, I have an after market hood, WS6 lower air-box, high flow airfiler, LS1 motorsports lid, smooth bellow, 85mm MAF, hood sealed to airbox, deflector removed from hood. Oh, and Hypertech power programming. My question is, I was racing a guy in a 2001 Z28, he said it was stock other than an airbox and that it was an automatic. We hit it at the same time and he started to pull ahead, maybe a foot or so. Then he wanted to run from a 35 mph roll, and he shot out about half a car length in an instant and as soon as my A4 quit stalling I stayed about a half a car length behind the whole time. Now I know it wasn't stock, or could it have been? I am wondering what your thoughts are about if it was stock how he could do that to me.

MillaTK

Well, you arent all that far from stock... Plus, your car is a bit heavier. Also, some cars come out of the factory having a LITTLE more power than others. Thats what could have caused this, but you were pretty close to him.

99-LS1-SS

Sounds like he has a converter.

Vendetta

His is an '01, meaning he has the LS6 intake. '01-'02 LS1s dyno about 10-15 rwhp higher than '98-'00 LS1s due to the intake. Add in that and the fact that every car is a little different, and that could give him his advantage. If he had a converter, he would have pulled a bit more than half a length on you from a roll.

MillaTK

Oh yeah, I forgot about the LS6 intake... umm... yeah...that too...

99-LS1-SS

What about the difference in tires. He could have better tires than you. Just trying to help.

Vendetta

Wouldn't make a difference with nearly-stock cars on a 35mph roll...

Here's another idea... take off the HPP3 and see how you do. Some people actually lose power from it.

99-LS1-SS

Alright I guess I don't have a clue?

Vendetta

I almost guarantee it's the difference in the LS6 manifold. If you get a chance, get both of the cars dyno'd...

SDB

iTrader: (7)

The mos you have done probably wont give you more than .1-.2 at the track, and his LS6 intake would more than cover your little air mods. Get a converter in that car and some exhaust.

BigBronco

iTrader: (2)

at least a catback will help. the ls6 intake helps quite a bit, and do all your free mods as well. Converter, maybe a vigalante 3500 for you will do great as well!

BLOODTA

iTrader: (19)

Does the EGR mod make up for the LS6 intake?

WECIV

I didn't know I had an LS6 intake, I need to get my head out of school books and under my hood, LOL.

Kev98Ta

iTrader: (4)

No... EGR = exhaust gas recirculation. Used for emission purposes on the 98-00 cars. An LS6 intake has a larger volume plenum than an LS1 intake, thus resulting in the hp difference.

Mod Maniac

Along with the LS6 intake the '01's and '02's have smaller cam profiles for more low end torque. I used to wonder about this too. Stock for stock they will always get the jump.

Vendetta

!EGR won't give you anything more than half a horsepower and a cleaner engine compartment



Very good post, I didn't know that... I'm still an LS1 rookie I guess

Kev98Ta

iTrader: (4)

Here you go, this should help ya out...http://ourworld.cs.com/jrpws6/ls1.txt

Mike 01WS6

Along w/ the LS6 Intake....I'd chuck that piece of **** 85mm MAF. Reasoning for it is that most actually lose power w/ it. Everyone I know has either had a higher et and/or lower trap speed with the 85 vs. the stock one.

I have been told that the partial throttle response is increased, as it should, but the WOT performance suffers.

98SS Blackattack

Some cars run alittle stronger than others.One thing NOBODY has said is do you go down to 1st? Maybe he did, Its the latest you can for 3.23 gears.AND if he had 2.73 gears and you were in 2nd he would pull you. He would be in the fat rpms in 1st gear and your at 3400.

99-LS1-SS

Ahhh, grasshopper might have something.