automatic for an A

wright said:
I don't know what the specs are on the converter but it has a a pilot dia. of 1.81, it has 122 tooth ring gear and it is a 27 spline non lock up converter. The trans is from a 1968 or later 225 slant 6 engine. As far as the rear ratio I don't really know I assume it is the stock 31 pickup rear unless it was changed at some point. Did pickups come with different ratio's? I assume it is pretty high. To check it I should jack up the rear and turn the tire 1 revolution and count how many times the drive shaft rotates? Does this sound correct? I have thought about doing this out of curiosity. I feel the sweet spot for driving is around 51 mph I have had it over 60 but it is reving pretty good at those speeds.
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Hey Beau,
Thanks for sharing your work and pictures with us , and explaining how you did your work :) !
 
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