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I am buliding a 408ci with a GT88 turbo. Should i bulid the motor 9-1 or 8-1 ? I have been told to many things to realy know . I would like to get 675 to the wheels.
9:1 with that power.
Also take a look at an ST80 with an A/R of 1.1 that will spool at i want to guess 2500 prob less? and will easly make 675 @ the wheels.