Quote:
Originally Posted by EAkrish
I am wondering if it will work with a tune also pq. I guess I can try it and let everyone know.....
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It'd seem to me that the tune might already compansate for this
I'm sure it wouldn't hurt to try though.
Quote:
Originally Posted by EAkrish
Mine was running real good b4 the tune and amazing after the tune. I also did my tb porting b4 I got the tune. Just amazing! I might not even mess with it. I don't want to lose the tune, if that's even possible?
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I can't speak for the new PCMs, but the ones that were used with the LS1 cars wouldn't simply default to the OEM tune, because it's my understanding one is actually writing over the OEM tune and the PCM doesn't know the otherwise. I'd disconnect my battery for nights at a time and plug it back in and it was still fine. I'd remove PCM fuses and it was still fine. (FWIW - I could tell the custom tune was in there because I had my idle RPM raised from like 550 to 750, because of my converter, and it remained the same before and after.) That's just what happened to me though, and that wasn't with the current model PCMs...
Quote:
Originally Posted by gtbaldini
If you have a custom tune and are happy I wouldn't try this. It may reset the computer and your out a custom tune.
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See above...