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Had a custom chip made for my 87 a few years back from The CORVETTE CONSULTANT
Performance Enhancements for Corvettes and Camaros
P.O. Box 2126, Montauk NY 11954
Tel: 516-668-5780
Don't know if they are still in the business. Did wonders for my Vette. Passing gear was the biggest change that I noticed. Throws you back into the seat and jumps like a scarred rabbit.
Hardest part was lying on my head in the passenger seat trying to take the computer out to change the chip.
my understanding is that the ecu controls the idle speed and just screwing in the idle stop will mess up minimum idle speed and the IAC setting. Am I wrong?
my understanding is that the ecu controls the idle speed and just screwing in the idle stop will mess up minimum idle speed and the IAC setting. Am I wrong?
I don't think so, but I could be wrong. I have had to do this the last few times to get mine through inspection. I just tweak it 1/2 turn or so, just enough to raise the idle by around 100 or so RPM. I do not drive it for long this way, but I never noticed any problems.
my understanding is that the ecu controls the idle speed and just screwing in the idle stop will mess up minimum idle speed and the IAC setting. Am I wrong?
Correct. There is a procedure to set the minimum idle.