Quote:
Originally Posted by nds1968
Does anyone know what gearing the OD is?
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I found info about a 67 Chevelle and it is 0.700
So here is my current setup
283 V8
3.73 rearend gears
28" tall tires
SM420 ..................4th gear 1.00 at 70 MPH gives you 3133 RPM (current setup)
Saginaw 3 speed W/OD gear 0.70 at 70 MPH gives you 2193 RPM
That gives you 30% OD
Now I need to find info to confirm the OD gearing.