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Custom Tune'd PCM?Sonofmoon 07-10-2005, 10:24 PM I been lookin around at geting a Custom Tune Done on my Stock T/A. I allmost all was run 93octan but with gas prices on the rise(like allwas) i would like to be able to run Mid 89octan from time to time(Saveing upto $.15 per gal). Can a PCM be tune'd to self adjust it self?? Z28WannaB 07-11-2005, 12:08 AM You can run the crappiest fuel if you want, just have Madz28 or PCMforLESS tune it. Z28wannab madwolf 07-11-2005, 03:46 AM Although I have detuned several to make them work with low octane, these cars were meant for premium only. I would definetely not save any money at the cost of possibly destroying or reducing engine life. LS1s have a dedicated timing table for lower octane, so you really don't need tuning for it, if you decide to run mid-grade. I still wouldn't go wide open throttle on mid-grade though. Just my $0.02. RocCityZman 07-11-2005, 11:48 AM Just my $0.02. Per gallon. /Sorry //...couldn't resist. :D Sonofmoon 07-13-2005, 03:59 AM Thanks for the input. That is basicly what thought...:rolleyes: | ||