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Old 08-10-2017, 01:57 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: 355
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In a previous car I had the TKO-600 with the .64 OD and a 3.27 gear. Only time I didn't like it was 50-70mph back road cruising in 5th so I just drove faster or ran in 4th. New build will be same motor and trans and 3.31s.
Jim
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