Quote:
Originally Posted by dwx
DI is why this motor can run 12.5:1 on 91 to begin with and why engines like the new 2L DIT turbo motor from Subaru runs like 10.8:1 versus the old 2L turbo motor which runs 8:1...
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I can't agree 100% on DI being the reason these can run 12.5:1.. Motorcycles have been running 12.5:1 for awhile .. My friends r6 runs 13.1:1 on 91 pump and my 03 GSXR 600 ran 12.3:1 on manufactor recommended 87 pump