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glennpm · 11-10-2025, 10:23 AM

I like Mart's guidance.

Regarding the 1/2" bolt, in addition to the taper I would be very careful that the bolt is centered in the plate before welding to prevent damage to the crank snout threads. I would make a plate that faces the end pulley snout and weld on the back side toward the engine.

A 7/16" bolt may be a little safer, providing more clearance and still plenty strong. I’d feel better with a 1/2” bolt though.
I'd also use a heat gun on the snout before cranking the 1/2 or 7/16" bolt into the threaded plate.

Glenn

11-10-2025, 10:23 AM	#13
glennpm Senior Member Join Date: Sep 2014 Location: Mid-Coast Maine Posts: 3,353	Re: Any help on crank pulley removal?!? I like Mart's guidance. Regarding the 1/2" bolt, in addition to the taper I would be very careful that the bolt is centered in the plate before welding to prevent damage to the crank snout threads. I would make a plate that faces the end pulley snout and weld on the back side toward the engine. A 7/16" bolt may be a little safer, providing more clearance and still plenty strong. I’d feel better with a 1/2” bolt though. I'd also use a heat gun on the snout before cranking the 1/2 or 7/16" bolt into the threaded plate. Glenn __________________ Archives of historical but relevant older articles: ------------- Hover mouse over the links below and click! ~~~~~~~~~~~~~~~~~--------------- Rumble Seat’s Notes Techno Source for the 1932 thru 1953 Flathead Ford Last edited by glennpm; 11-10-2025 at 08:01 PM.