Quote:
Originally Posted by cdrazic93
Technically, thats also taking into effect the CR of the STi that was using the 7163. The higher the CR the higher hp per PSI youll get from a turbo. So stock internals i wouldnt be surprised to see the 6758 spool about 2-300 rpm faster than the 7163, but loose about 20-30whp uptop.
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I agree FA20 CR let us use bigger turbo
wrx CR is less than brz