#1
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something wrong
I Jack
on the last 2 races something wrong happen on elimination,i was on the stage lane on the trans-brake waiting light going down at 4250rpm and 9 psi. for no reason after the 2nd yellow the motor go down to 2000rpm and 3psi then light go green release t-brake the car launch SLOWLY after 2 seconds with the gas on the floor the boost rise and the car push normally. Need help what happen with that beast. Martin
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2001 GMC sierra buick GN 1987 stageII RPE 400 turbo revers patern spicer 1350 u joint and yokes 33 splines axels with 3:42.fast XFI all job done by cotton's performance. tune by me 9.34 . 1.37 60ft 1/8 5.97@116MPH 9.20 148.79mph 1.419 60fts 1/8 5.91 119.67mph special thanks to cottons performance for the job well done |
#2
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no idea Jack?
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2001 GMC sierra buick GN 1987 stageII RPE 400 turbo revers patern spicer 1350 u joint and yokes 33 splines axels with 3:42.fast XFI all job done by cotton's performance. tune by me 9.34 . 1.37 60ft 1/8 5.97@116MPH 9.20 148.79mph 1.419 60fts 1/8 5.91 119.67mph special thanks to cottons performance for the job well done |
#3
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Sorry, got sidetracked here...... was working on billing jobs... so I could get paid... need to do that sometimes..
Ok, are you backing off the gas pedal at the last second, if you recorded it, does your TPS stay constant or back down? If it does, then it will take a few seconds to build boost back up.... so launching the car at 2,000 rpm will not work well.
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Jack Cotton Cottons Performance 413-789-0531 |
#4
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Quote:
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2001 GMC sierra buick GN 1987 stageII RPE 400 turbo revers patern spicer 1350 u joint and yokes 33 splines axels with 3:42.fast XFI all job done by cotton's performance. tune by me 9.34 . 1.37 60ft 1/8 5.97@116MPH 9.20 148.79mph 1.419 60fts 1/8 5.91 119.67mph special thanks to cottons performance for the job well done |
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