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Old 02-16-2008, 08:53 PM
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Dwight Dwight is offline
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Join Date: May 2001
Location: Florence, AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
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Smile do the math

Here is a site to help do the cals. Remember you need to stay in the 2000 rpm range to cruise at 45 mph and 70 mph. Unless you have a lot of torque under 2000 prms. You can use 4 th when cruising 45 - 50 mph and 5 th when your doing 70 - 80 mph.

Second Strike Gearing Calculator

Dwight
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