rear main seal
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Freshman User
Joined: Apr 2004
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rear main seal
hi all,
i got a 1979 f250 with a 300cid. i'm replace the rear main seal. i went to the store and they offered me a rubber seal or a teflon seal. the teflon was a couple of bucks more. I never used teflon before. any one know of any problems with the teflon, is it better than the rubber?
thanks
i got a 1979 f250 with a 300cid. i'm replace the rear main seal. i went to the store and they offered me a rubber seal or a teflon seal. the teflon was a couple of bucks more. I never used teflon before. any one know of any problems with the teflon, is it better than the rubber?
thanks
Senior User
Joined: Jun 2009
Posts: 480
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From: Hudson,Michigan
I have never used teflon main seals,but over the years,I have used teflon hydraulic fork tube seals on motorcycles,and they were the best that ever came along for that.I guess I would have to make sure they came from a known source,like Felpro or the likes.I know that you are not going to want to do it over.Felpro makes a nice one piece pan gasket,put it on dry,I've done a few and any sealer and they like to squeeze out.If you have the original oil pump,I would suggest putting in a new Melling HV,just good insurance,I know because I've had to go back in before,now,if the pans off and it has the Ford pump,it's automatically replaced.
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