Thread: COLUMBIA with 3.78 gears
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Old 08-14-2015, 08:35 PM   #2
PeterC
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Default Re: COLUMBIA with 3.78 gears
Quote:
Originally Posted by Kahuna View Post
I didn't know what a Columbia O/D reduction was? It has quite a drop in RPM.
per Columbia literature - 28.5% reduction
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