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Thread: Reprogramming LT1 ECU
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11-22-2009 #1
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I do my own tuning with TunerCat. I doubt it has the VIN rewrite function though. I haven't ever needed to try.
What exactly do you need though? You see, the LT1 PCM will more than likely not store any other VIN other than one it can operate. So if the inspection process is to plug into the ALDL and verify that the LT1 PCM displays a VIN matching the car's VIN, I haven't a clue how you'll get around that. Do they really do that procedure though? It means nothing in terms of emissions or inspection of the vehicle.Trey
"The early bird may get the worm, but the second mouse gets the cheese."
~ Jon Hammond
1979 WS6 Trans Am stock LT1/T56 drive train out of my Formula. BMW M-parallel rims. C5/C6 brakes
build thread https://www.pro-touring.com/showthre...ghlight=begins
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11-22-2009 #2
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your last statement is the concern. I beleive an 86 GP would have a electric carb which would be ODB I. If that computer is disconnected, it will not work and the check engine light may or may not trigger. that is the main concern. I need to check w/ inspection facilities to see what they do. It is illegal to taper w/ a car's stock emission system and doing an engine swap def involves tapering.
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