
11-27-2021, 12:21 PM
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CC Member
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Join Date: Sep 2002
Location: Grand Rapids,
MI
Cobra Make, Engine: FFR Challenge Car, RDI aluminum 427w
Posts: 357
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Not Ranked
My builder recommended Mobile 1 10-30 when built in 2004.
Aluminum 427w approx 535hp.
As others have indicated there are many factors that determine what should be used.
Jim
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