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Originally Posted by YOOT
Thats an easy one to answer and it explains how the XR^ can have a 'flat' torque 'curve'.
THe XR6 runs on 6psi but only makes that at a low 2500rpm, by 5500rpm its only using 4psi or less.
The F6 runs on 9psi but only makes that at a low 2500rpm, by 5500rpm its only running on 6psi.
The edit makes 8psi at 2000rpm and is still making 8psi or a little more at 5500rpm. Same goes for the 10psi, only it takes until 3500rpm to build 10psi with stock induction and exhaust system.
You have basically double the boost up top with edit, and 30% more than the F6 at the same speed. Cool huh?
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excellent explanation there YOOT..........learn something new everyday.
