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Gear Ratio RRC 3.9 Borg Warner?


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The Borg Warner makes a really good box for a competition vehicle. Tomcat Motorsport do a set of lower ratio gears for it that I believe take it to about 1.5:1

Certainly makes a big improvement in the gearing - I still run the rally Discovery on 225/75R16's so it has improved the acceleration no end.


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