The Saginaw has annular grooves in the input shaft which tells the ratio. See below: Sorry can't figure out how to keep it from eliminating my spaces but you can figure it out. I see "create a list" but don't know how to use it.



1st 2nd 3rd 4th
no grooves 2.84 2.01 1.35 1.00
1 groove 2.54 1.80 1.44 1.00
2 grooves 3.11 2.20 1.47 1.00
3 grooves 3.50 2.47 1.65 1.00



Last edited by bartamos; 12/01/2009 5:51 AM.
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