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Old 08-04-2019, 12:35 PM   #3
Jeff/Illinois
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Join Date: May 2010
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Default Re: Oil Capacities...Which is it?

Steve, I've been fooling with Model A Fords since 1971, and always went by the 'fill it until it starts oozing out of the fill hole' rule for rear ends and trannies and have never ever had an issue by doing that. I never paid any attention to the fill capacity.

Motor oil about 4 1/2 qts. that is what I drain out at oil change time and the fill level is on 'F'. Used to put in 5 qts. because that is what the owner's manual says. The beauty of the motor oil level is it will leak out until it finds it's sweet spot at least in the Model A's I've been around, rear main not leaking profusely anyway.
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