March 5th, 2014, 02:36 AM
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Member
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Join Date: May 2013
Location: phila pa
Truck: 1947 Flxible Clipper Bus 29 passenger 401 M
Posts: 76
Rep Power: 87
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Re: GMC Medium Duty Flywheel Size SAE 2
This is a bus application. was a repower by the bus builder using mid 60s GMC 401M from a school bus. im going to take this apart again and replace the pot style flywheel with a flat style and a stamped steel pull style pressure plate. im thinking the SAE2 flywheels are slightly larger in diameter than the other medium duty and light duty apps. its possible this flywheel was a conversion flywheel and not even a gmc piece. been thinking of having a flywheel built but saw some used ones that I thought might work. thanks.
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