Quote:
Originally Posted by ABM/IOM
I know i saw an article on an independent gasoline study on this site about how many gas stations posting 91 octane were only testing at about 89-90. Check the general discussion topics on here.
If you are putting in 91, you may only really be burning 89 or 90 octane and in that case your ss will run like shit. I live in Florida where we can get 93 on every corner. Superchips has a handheld tuner that has a tune in it for 91 or 93 octane. That's what i use in mine. The transmission tune alone is worth the cash. It will fix that downshifting problem.
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That's how tx is only 87,89,93 octane
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factory motor factory trans, Gpi ss4 cam stock heads ported and milled, full exhaust, circle d 5c 4000 triple disk, 3:91 rear end with posi mod, cai, bmr derlin rear diff bushins, bmr derlin cradle bushins, bmr trailing arms, toe rods with bushings, and bmr anti extreme sway bar. Weld rt-s 17x5 fronts and 17X10 rears on mickey thompson et street r's
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