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#1 |
Account Suspended
Join Date: Jul 2007
Location: Plumas Lake, Ca.
Posts: 1,009
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Re: Overdrive help for my SM420
The SM420 input shaft is 1 1/8 x 10 spline.
There is another unit called a "brownie" but I can't remember how it mounts. I agree the GearVendors unit is probably the easiest OD unit as far as installation. |
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#2 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,254
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Re: Overdrive help for my SM420
I believe the 'Brownie' goes between the trans and the bellhousing. Unless that's a different one I'm thinking of.
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