Chrysler 55 HP Flywheel nut size?

[BuzzStPoint]

While torquing the flywheel nut it stripped out. Looks like the splines on the shaft are ok.

Anyone know what size the flywheel nut is?

1970 Chrysler 55 HP

 

[Frank Acampora]

Re: Chrysler 55 HP Flywheel nut size?

9/16 fine thread--something like 22 threads per inch I have difficulty in counting them.