11.5:1 with PD blower

by9468840

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is anyone running 11.5:1 compression with a PD blower and on 93 pump gas?

I plan to build the internals of my 11 GT (roush supercharged) with 11.5:1 forged pistons.
The amount of boost i can make with a standard roush tvs isnt more than 13-15 psi before running into belt slip issues etc.
I was thinking of rather increasing the CR so that blower wont have to spin too hard.
The car wont be raced. Its being built for longetivity making 650-700rwhp max.

It is hard to say which is better..
keep 11:1 and increase the boost.. or increase CR to 11:5 keeping the boost same but drop timing.?
 

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