LS4 Performance Grand Prix GXP | Monte Carlo SS | Impala SS | LaCrosse Super

Track again tonight. (Made a 2nd gear pull)

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Old May 13, 2011 | 11:26 PM
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Default Track again tonight. (Made a 2nd gear pull)

Brand new track, so traction wasn't the best. And there was some evidence the timing light was a little off. Anyway:

1st pass - 2.5 60' 14.52 @ 100.83
2nd pass - 2.2 60' 14.04 @ 100.83
3rd pass - 2.5 60' 14.92 @ 100.45 (2nd gear run )
4th pass - 2.2 60' 14.00 @ 100.21
5th pass - 2.1 60' 13.88 @ 100.67

No new PRs, but the trap was consistent at least.

Videos tomorrow or Sunday.
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Old May 14, 2011 | 07:56 AM
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what was the evidence the timing gear was off
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Old May 14, 2011 | 11:07 AM
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Strange time differences between guys that left the line at the same time, and stayed close for the whole quarter.
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Old May 14, 2011 | 12:56 PM
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id say with your 60' and mph the et's are where they should be

do you have anything done to the car, beside all the weight stuff removed?

and whats PR's?
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Old May 14, 2011 | 02:19 PM
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My best is 13.7 @ 96-98 with a 2.1 or 2.2 60'.

CAI, cutout, mild tune. It's shifting too late in the 2nd and hitting limiter, have to get that fixed.
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Old May 14, 2011 | 06:19 PM
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13.7@98? I'd say the timing gear was off then. I was a consistent 98mph running 14.3-14.5 with the same-ish 2.1-2.3 60'.
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Old May 14, 2011 | 06:44 PM
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My GTP went 13.86@98 with a 1.98 60' and ran pretty consistent 13.9-14.1.@97-98 MPH with 2.0-2.1 60'. The worse the 60' the slower the ET but you pick up MPH. Which is the only thing really off in his runs. It should have had at least a MPH difference between with a 4 tenths split in 60'.

Now aside from that, a stock gxp should be able to run in and around the 96-98mph range. With the weight out, a cut out, tune, and CAI I would expect 99-102 to be the norm, but also a bit better ETs.
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Old May 14, 2011 | 06:49 PM
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My car is very inconsistent...

My 13.7 was at a different track, their timing is definitely right. Last night was the first event for that track and there are still kinks to be worked out.
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Old May 14, 2011 | 06:51 PM
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Also, I can only assume they are all 100 because I was keeping it in 2nd. I should've left it in drive to see since my shift points are raised.

EDIT: GXP and SS run different at the track. SS shift earlier into 3rd as GXP do in drive, unless you had your shifts moved. Which would cause the slower time.
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Old May 14, 2011 | 10:53 PM
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Videos for anyone interested.

http://www.youtube.com/watch?v=niguu6je0qE

http://www.youtube.com/watch?v=VydRe_aH48U

http://www.youtube.com/watch?v=Pe9hiUL2Mqw

http://www.youtube.com/watch?v=oX2rzBwhfwE

http://www.youtube.com/watch?v=KjjFuw3Xom0

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

http://www.youtube.com/watch?v=xdFXG_3mu5s
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Old May 15, 2011 | 09:45 AM
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getting on the limiter is whats hurting you and why your MPH is so consistent. get that fixed and better a 60' and you should be able to go 13.5-13.7@101-102. also your 1-2 shift makes it sound like its got a banger in it.
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