Hey guys just picked up a twin turbo kit and after debate I decided I'm going to put some internals in it. I haven't bought any yet my question is what compression to go with? A semi local tuner said 11:1 mmr suggested 10:1 my built cobra was like 9:1 so both of those were surprises to me. Anyways first gen street car (daily) with some track use. My fuel here is only 91 and I'll have a separate tune for e85 or 110 etc. Any thoughts or experiences on the coyote platform?
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