Track Ready: first time on slicks

03terminat0r

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Test fit everything earlier this week and heading to the track this weekend. Any tips or advice for launching, air pressure, etc on slicks is appreciated.

Welds
18x5
M&H fronts
4.50/28-18
Racestars
17x9.5
Hoosiers
28/10-17

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vtcf3837sxs918nzg.jpg
 

2011 gtcs

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Looks nasty, do you have any other suspension parts? Are you still running the stock tune?
 

2011 gtcs

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Suspension is all stock, besides sway bar relocation. And not on the stock tune. jlt cai, o/r H-pipe, and 2.4 upper
Not a bad mod list, should be low 11s maybe a 10.9. just don't go to crazy launching it super hard, the stock clutch can't take a lot of abuse
 

03terminat0r

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Nice hot and humid night at NoProblem Raceway in Louisiana. Dragtimes calculator showed a DA 1250.

Best run was 11.194 @ 125.16 with a 1.651 60ft. Best 60ft of the night was a 1.615 but ran a 11.29 @ 123. Tire pressure was working at ~15 hot and started with the 2-step at 3900 eventually ending up at 5200. Bummed I couldn't hit a 10.XX

Here are some videos if they work
Some additional videos of a 5.0 with a 11.5 best run of the night. 11.5 run was not videoed, but some nice 1.5 60ft's were.





 

03terminat0r

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Did you have any issues with it wandering on the track? I sure did... not sure i like slicks.

That was a very big concern of mine. First run (the 11.19) the tire pressure was around 18 hot. Launched and went straight down the track. Lowered the tires to around 15 hot and still not much sway at all.

On one run with lower psi I shifted into 3rd and must have caught a groove. The car wanted to go right and even after correcting a little it wouldn't turn away so I let out.

Overall the car went straight. Maybe more air will decrease the sway you are experiencing. Oh and skinnies up front for sure
 

2011 gtcs

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11.1 is about what I expected. Still a very good pass, on a super cold night I think you can do a 10.9. The RXT was a good choice to go with.
 

svt662

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Great passes! I thought that these cars box stock could run 10 sec 1/4 mile runs with just Drag Radials?
 

PaxtonShelby

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Car looks great - that's a gorgeous combo. Is it me or does the car need more gear? First goes on for what seems like forever and rpms seem to drop a lot from gear to gear.
 

biminiLX

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Great passes! I thought that these cars box stock could run 10 sec 1/4 mile runs with just Drag Radials?
It can in perfect weather with a good driver. You'd like the car a lot better with a gear. I went [email protected] with 1.76 60' on 20s with only mods being 4.10s, Lund tune, 20" Alcoas with NT05Rs. DA was 800 I believe. If you're willing to do those mods and run that tire I'd recommend a 3.73 to 4.10. Also try removing front sway bar, I still need to do that myself just for the track.
-J
 

biminiLX

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What's the verdict with the launch control after you have changed to an rxt. Is it ok to use again?
Launch control sucks. Learn to drive your car and you'll never want it. A tune needs to remove clutch protection, then turn all assist off and learn to drive the car by walking it off the line with a quick swap of the feet. Clutch dump ONLY on bias ply slicks.
OP what are you shifting at?
Car shouould be trapping 130mph no problem.
-J
 

03terminat0r

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Great passes! I thought that these cars box stock could run 10 sec 1/4 mile runs with just Drag Radials?

I don't think a stock gt500 with only DR's has ever been in the 10's. You would at least need gears like biminiLX.
Or you could just buy a hellcat or z06 and run 10's with a DR only.
They had a auto hellcat (modded) running some really quick times when I was there.
 

03terminat0r

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What's the verdict with the launch control after you have changed to an rxt. Is it ok to use again?

The launch control as in the one built into the car? I've never used that. I have a wot box and used the 2step from that. Along with holding the brake and the traction control button down to disable everything.
The rxt is great.
 

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