Re: Opinions wanted on 3.78 and a Columbia
It is definitely 3.54. I road on a friend's 3 window with a 4.11 and Columbia. His motor tops out at about 50 mph before he shifts the Columbia. Mine runs up to around 60 before it is topped out. Sure it has more but the motor sounds strained. And I have looked at the numbers stamped on the housing, not that doesn't mean they have been changed but the numbers are 11-39.
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