[Tigers] Flywheel

[Ron Fraser]

I found a comment which makes sense to me.
 
Flywheel ring gear was changed from 160 to 157 teeth to improve starter gear
engagement.
 
Ring gear OD = 13.258"    circumference = 41.65"
41.65"/ 160 = .26"
41.65" / 157 = .2653"
 
Maybe this is why my 160 tooth original ring gear was all chewed up.
 
I have not found a date when Ford made this change to 157 teeth.
 
Ron Fraser
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