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Tom Endy · 02-28-2021, 11:12 PM

The Model A was designed to run all day long at 45 mph with the engine turning over at 2000 rpm. With a Mitchell 26% overdrive and with a standard ring & pinion you can run all day long at 55 mph with the engine turning over at 2000 rpm.

A Mitchell overdrive is a good choice.

Tom Endy

02-28-2021, 11:12 PM	#4
Tom Endy Senior Member Join Date: May 2010 Location: Southern California Posts: 3,130	Re: Mitchell Overdrive The Model A was designed to run all day long at 45 mph with the engine turning over at 2000 rpm. With a Mitchell 26% overdrive and with a standard ring & pinion you can run all day long at 55 mph with the engine turning over at 2000 rpm. A Mitchell overdrive is a good choice. Tom Endy