Good stuff here, missing bumpstops, panhard bar geometry, ABS codes. Isn't it great how we go looking for a particular problem and end up finding all kinds of other stuff, and how learning more about our 'birds is a never ending adventure. Just curious if you figured out the reason for the delayed shift? So it was not the TPS, but did it end up being the VSS? While the world of ABS is a fascinating area that needs to work right from a safety perspective. Kinda wondering how this has any effect on when the PCM commands a shift? Still great info, so who cares, but just curious if you figured out the delayed shift root cause?
4L60E A/T won't shift from 1-2 w/o letting off gas pedal...
Posted Today, 06:09 AM
Now that he has cleared the ABS codes let's see if the shift problem is gone.
1994 FIREBIRD FORMULA
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC M48 Pro engine management - 8 LS1 coils - 58mm TB - 74# injectors - 300-shot dry nitrous - TH400 - Gear Vendors 0.78:1 O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor
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