F20 elec start flywheel ring gear

fireballv82003 · Dec 11, 2014

The heisler kits came with a ring gear for the F20 flywheel. Anyone have any ideas about how to find out what ring gear they used?
I want to make my T20 McCormick crawler elec start.
The f20 bellhousing won't fit a t20.
I can make a kit using a toyota starter and flexplate on the crank pulley, but would rather do it the old fashioned way.
Thanks

hillbillyhim · Dec 11, 2014

I was told it was the same ring gear as the M.

Oldiron29 · Dec 11, 2014

I don't have the size in front of me, but I no M and F-20 clutch are about the same. So I would think The ring gear from and M would be close you
may have to machine wheel to fit it. oldiron29

Jeff Wenner · Dec 11, 2014

The original electric start for the T20 ran through the governor. There was a special bracket that attached to the flat boss to the rear of the magneto to move the magneto back. the starter sat between the mag and the governor then. I thought I had a picture of one but I cant seem to find it. Attached is a pic of the special gov top for mounting a generator.

F-Dean · Dec 11, 2014

They used an early 1930s Chevrolet starter so I suspect an early 1930s Chevrolet ring gear would be best.
Use a M ring gear and a M starter. The F-20 starters were aftermarket additions from Heisler so make yours a one-of-a-kind aftermarket starter for your T20.

fireballv82003 · Dec 21, 2014

Jeff,
Did the elect start look like this?

F20 elec start flywheel ring gear

fireballv82003

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