Quote:
Originally Posted by D-rek07
What boost levels are okay to run on CA 91 octane? Would lowering the compression ratio increase the amount of boost possible on CA 91? But does lower compression ratio and higher boost create the same hp/tq of higher compression and lower boost?
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Anything more than the standard pulley requires a higher grade than 91 to make more power. Lowering the compression does allow you to run more boost, and it is possible to make a little more power on 91, however does the money spent on a full engine build justify the amount of power that you would make? Probably not.
Jackson Racing Staff
-Chris