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-   -   Thoughts on this built engine for my Turbo FRS (https://www.ft86club.com/forums/showthread.php?t=136346)

Irace86.2.0 08-17-2019 02:53 PM

Quote:

Originally Posted by Steveiam (Post 3248775)
What do you guys think of keeping the comppression at 12.5:1 if I'm only gonna be using 93 octane on boost at around 300-350 whp?

If you don’t have E85, or if you will primarily be on pump, even at 93, I would lower compression. Even if you do it moderately to 11-11.5:1 then it would be good. If you plan on tracking the car then definitely. I feel like a turbo could hit that power easier than a SC, so maybe stock compression on a turbo setup for street use only would be fine, as long as you never want too much more power. Reducing the compression would make it significantly easier to make more power or safer power on pump.


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