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408 Trans Am! First time at the track.

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Old 06-27-2010, 01:19 PM
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Default 408 Trans Am! First time at the track.

Finally got the TA out to the track after being rained out the last 3 times. I went to Byron Dragway in Byron, Illinois. This is my first time at the track ever so i think there is plenty of room for improvement. the car only has a little bit of tuning done and im going to have it completely retuned with speed density. I also have to install my chris1313 ram air and FTP 104mm lid. My best run was 11.6 with a 1.8 60" @ 123.16MPH.

Very first run ever Decent launch but missed 2nd.
http://www.youtube.com/watch?v=NyY-XcK1UxU

http://www.youtube.com/watch?v=ZgS5IjyXdpg

http://www.youtube.com/watch?v=CKO21qWrGFQ

http://www.youtube.com/watch?v=6iso6pqkSMc
Old 06-27-2010, 10:12 PM
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What do you guys think of my launches? Is there anything i could be doing better? I know my r/t kinda sucked but other than that....

I was launching at about 3500 rpms. Should i be launching higher? This car also puts down around 500rwhp just so you guys know.
Old 06-28-2010, 12:47 AM
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seems like the car is launching pretty good then bogging. Coming off the clutch too soon? Or maybe launching too low?
Old 06-28-2010, 02:48 AM
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In the second video i know i bogged it very bad but in all the other ones it didnt seem to bog very much or at all. When i let off the clutch it seemed like it brought the rpms down a bit but still kept me in my powerband on the launch.
Old 06-28-2010, 05:48 PM
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Looks like a mean setup, god luck w/ it.
Old 06-28-2010, 11:55 PM
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man it looked good in the videos, it seems like it bogs a little but i dont know **** about the track. let me know the next time you go and ill go with in the super slow. and btw when are we going to strats or something?
Old 06-29-2010, 12:31 AM
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thanks man, not sure when were going on the next cruise but pretty soon i would imagine. the weather is supposed to be real nice this week. I will let you know.
Old 06-29-2010, 01:59 AM
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How does the car do on roll races? Looks like it would be a monster from a roll
Old 06-29-2010, 03:17 AM
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you gonna put some drag wheels on it?

also whats done to your suspension your car looks pretty low
Old 06-30-2010, 04:24 PM
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What rear hp numbers?
Old 06-30-2010, 10:30 PM
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Originally Posted by 99Z28LS1
How does the car do on roll races? Looks like it would be a monster from a roll
Yeah its pretty nasty from a roll.

Originally Posted by smok'nZ
you gonna put some drag wheels on it? also whats done to your suspension your car looks pretty low
Nah, im gonna keep this setup. This is more of a street car. Cant really afford and extra set of wheels and tires just for the track.

Its got Bilstein shocks and an eibach prokit. Global West TQ arm, hotchkis LCA's, tubular k-member.

Originally Posted by lt1camaro95
What rear hp numbers?
putting down in the 500rwhp ballpark right now. Should be about 550rwhp with my new tune and intake stuff.
Old 06-30-2010, 10:44 PM
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You still have the stock 10 bolt?
Old 06-30-2010, 11:01 PM
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nope strange 12 bolt with 4.10s
Old 07-01-2010, 12:53 PM
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I feel like you could get a much better tune. I have a 408 with a fairly aggressive cam, stock ls6 intaked, ported stock TB, stock MAF, patriot stage 1.5 heads, and i'm making 500/476 to the wheels. My engine is suffocating on itself and still made those numbers.

who is it tuned by? oh, and where did you get the tranny built?
Old 07-01-2010, 01:55 PM
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Yeah the tune i have now is kind of crap, it was never finished though. When we realized my slp lid and stock MAF was limiting air flow we stopped tuning and were going to resume when i got the new MAF. Never got the MAF and now im going Speed Density. The best we got out of it was like 515rwhp. The Tune was done by FLP here in Naperville but now im going to have it redone by Modern Muscle.

I actually bought the tranny from a guy here on tech. I cant remember his name but he rebuilt it himself as well as several other transmissions. The trans is from a c6 z06 built to handle 800+ ftlbs of tq and to fit in an fbody.
Old 07-01-2010, 02:54 PM
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get it setup a little better and your looking at low 11's I bet.
Old 07-01-2010, 07:14 PM
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Originally Posted by gmmusclecarman
Yeah the tune i have now is kind of crap, it was never finished though. When we realized my slp lid and stock MAF was limiting air flow we stopped tuning and were going to resume when i got the new MAF. Never got the MAF and now im going Speed Density. The best we got out of it was like 515rwhp. The Tune was done by FLP here in Naperville but now im going to have it redone by Modern Muscle.

I actually bought the tranny from a guy here on tech. I cant remember his name but he rebuilt it himself as well as several other transmissions. The trans is from a c6 z06 built to handle 800+ ftlbs of tq and to fit in an fbody.
awesome, sounds good man. I'm up in the air whether I'd like to go speed density or not once I upgrade my intake set up/heads. Any opinion?
Old 07-01-2010, 09:21 PM
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what rubber are you on...If a drag radial or slick you need to be dropping it alot higher unless the track/suspension wont hold it...usually a slick works alot better for the m6 guys...

this is what i mean

28" tall slick with 4.56s...leaving at like 6500

http://www.youtube.com/watch?v=4tzm2pk9-nY
Old 07-01-2010, 09:33 PM
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Im running 315/35r17 M/T drag radials. Ive got 4.10 gears and i was launching at about 3500. I dont think those tires would hold if i left at 6500, i could probably go a bit higher than i was but im not sure. With the way i was launching i did feel it spin just slightly. the car in the video has a MUCH better setup than i do but is he almost dumping the clutch on the launch? Looks like hes coming out very hard. Is that what i should be doing?
Old 07-01-2010, 09:44 PM
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Originally Posted by gmmusclecarman
Im running 315/35r17 M/T drag radials. Ive got 4.10 gears and i was launching at about 3500. I dont think those tires would hold if i left at 6500, i could probably go a bit higher than i was but im not sure. With the way i was launching i did feel it spin just slightly. the car in the video has a MUCH better setup than i do but is he almost dumping the clutch on the launch? Looks like hes coming out very hard. Is that what i should be doing?
yeah with the correct setup...that is low 1.4s 60ft...he is alot lighter and putting more hp to the track due to the 40* day and 132mph is showing that...

but it is setup nicely...very fast slip or dump is what he is doing

Last edited by chrs1313; 07-02-2010 at 07:22 AM.


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