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Old 01-04-2013, 08:34 AM   #282
Full-Race Geoff
Scooby Specialist
Member#: 133386
Join Date: Nov 2006
Chapter/Region: Tri-State
Location: AZ/NJ
13 F150


the 7163 will not be available until summer, and the production version will undergo many changes from the turbo Scott @Insight and Paul @ Yimi have tried (theirs had slight improvements over the one jeff perrin had too). I agree the .65 a/r is slightly small on the 7163 (that is a great housing oin the 6758 however) so the .8 will be a better choice.

that being said if you are targetting 530+whp and 8000+rpm i think the 7163 is a bit small and the 7670 .92 could fit your high rpm/high flowing application better
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