50's Rollfast, 5HP Flathead Briggs, & 30series Torque Converter

Cannonball3

Well-Known Member
Joined
Sep 11, 2021
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483
So to put this to bed, heres the belt size chart. My center to center is a smidge over 6.5”. I tried a 203589A. It was a tad
too long. It worked, but engaged later due to the excess length and did not achieve OD because the driver fully closed before the driven reached its highest ratio. So I guess if running the clone the 669 is it. Hope this helps other folks avoid having an odd belt hanging on the wall.
 

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