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Old 12-02-2017, 05:35 PM
Jim Vander Wal Jim Vander Wal is offline
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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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I had AFR 205s on a 421 c.i. Windsor 4.045 bore x 4.1 stroke. Vic Jr and a Demon 825 cfm. About 10.5:1, .600 lift 250 duration.

Lots of low end power, ran well.

Jim
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