Re: LT1 Engine Issues
I used the factory PCM until I got my old bracket engine needing to go past 7000 RPM. That's about all they will rev. Ran faster than my SS LT1 runs. Should not be doing what you discribe. Don't just throw sensors at it. Learn to diagnose it.
As for an aftermarket stand alone I use the FAST XFI in my car. Many use BigStuff3. I have tuned both those and several others. Any of them will work.
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Ed Wright 4156 SS/JA
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