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Bolt Size for M1B Fly Wheel

PhatRV

Well Known Member
What is the bolt size that fits in the starter/flywheel to the crankshaft? I need to temporarily secure the flywheel while working on the firewall forward section.

Thanks
 

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Flyweel bolts

Im working mine as well. From my blog.
Buy two long 1/2-20 bolts and two nuts. Put a nut on each. place the flywheel on the crank. screw the bolts in two holes then snug the nut against the flywheel. The remaining portion of the bolt is used to rotate the engine using a prybar.
 
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