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HI!... CRASH : I know you have a D.S.S Built 4.6 shortblock. But do you have ported/polished heads or just your stock "P.I" heads? What cams are you running? What's the compression ratio? Did you ever have the built engine dynoed in N/A trim before the TURBO? If not what do you think the built block was pushing for H.P at the FLYWHEEL in N/A trim?
I'm just trying to figure out why your power falls off at over 4000RPM. I would think that with the TURBO you would make power to 6500RPM if you have the right cams and head flow. Just curious. Thanks.
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