Quote:
Originally Posted by Full-Race Geoff
Yes -- EFR7670 is slotted right between the two. On E85 it will max out around 580whp, with response that is second to none. If you were targetting over 600+ then 8374 would be the call (I recommend 7670 however)
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Dear Sir
for 9psi boost with single scroll EFR 7163 you recommend internal or external westigate and blow off valve for your kit?
Thanks