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Will N · 04-05-2020, 10:11 AM

There are two versions of the rear main cap; one is forged and the other is cast, which was introduced in April 1929. Ford was always looking to cut costs throughout the production of the A. Could it be that the cast version has a larger radius where it seals to the oil pan, needing the longer seal?

04-05-2020, 10:11 AM	#5
Will N Senior Member Join Date: Jul 2010 Location: Pennsylvania Posts: 1,100	Re: Rear main oil pan seal There are two versions of the rear main cap; one is forged and the other is cast, which was introduced in April 1929. Ford was always looking to cut costs throughout the production of the A. Could it be that the cast version has a larger radius where it seals to the oil pan, needing the longer seal?