Quote:
Originally Posted by FPenvy
But a block built for boost can go much higher than the 3.7 without going boom.
Also why are you only on 91 octane? Should be up on 93 lol
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Just going by the chart; yes I have 93 & access to unleaded ethanol free 100.
ImageUploadedByTapatalk1451097933.334143.jpg
Maybe a tad off on the numbers/ but you see what I'm talking about.
Yes- stock bottom end is good for 15psi boost (from literature I've studied) with proper tune.
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