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my brothers 91 gtp will downshift to first at 60km/h, it will basically redline quickly then shift, kinda pointless but i tihnk it helps a bit and sounds and feels cool.
Jake
GM Goodwrench Tech - GM Certified
1991 Pontiac Grand Prix GTP - 3.4L DOHC , 5 Speed Manual Transmission , Turbonetics 62mm turbo, Turbonectics Evolution Wastegate , Turbonetics Raptor BOV , Large Front Mount Intercooler , AEM Methanol Injection , Car is running at 11PSI currently with methanol injection.
you can go 100mph and drop it into first gear, and if the computer is working correctly, it WILL NOT shift you into first gear until you reach a safe speed. While i do not reccomend going this fast and trying it, i have down shifted into first at around 45mph, and it goes to the lowest possible gear(usually 2nd) and when it slows down enough(30-40mph) it will downshift into first.
my car does that, dooing 40 put it in first goes to 2nd and as soon as i hit 35 it drops to first....But why will it not go into first as soon as i get on it from a 31-35 roll?
-2000 GTP - 332/426
-94 GTP - Stock, But needs new:
Door, Steeringwheel, fender, windshield and window for new door, and power steering line.
Becuase it's kinda pointless to down shift into a gear that you'll only be in for very short time, then up shift again. It's probably slower to do that also.
-Sean
99 Regal GS L67 / 4T65E-HD
91 Cutlass Supreme International - 3.4 DOHC/ 5 Speed - SOLD - I still love LQ1s!
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