Rope Seal
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Tuned
Joined: Dec 2017
Posts: 353
Likes: 6
From: Arkansas
Rope Seal
When re installing the rope seal on a 239 flathead, I know to soaking in oil and then cut it off leaving just a nub on both ends but my question is it advisable to put a dab of epoxy or silicon on the lip to help the seal?
Fleet Owner
Joined: Jul 2004
Posts: 27,288
Likes: 1,053
From: NM
Depending which type of rope seals you have, soaking in oil is not always necessary. Graphite-type seals from both FelPro and Best say not to soak. (They are the black ones, usually).
I don't use any RTV on the ends, epoxy definitely not. Best gives you a "popsicle stick" cutting gauge with their seals, to gauge the amount to leave proud of the surface. It's thinner than a real popsicle stick, a little thicker than cereal box cardboard.
I don't use any RTV on the ends, epoxy definitely not. Best gives you a "popsicle stick" cutting gauge with their seals, to gauge the amount to leave proud of the surface. It's thinner than a real popsicle stick, a little thicker than cereal box cardboard.
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Tuned
Joined: Dec 2017
Posts: 353
Likes: 6
From: Arkansas
Thanks for the info
I thought, there I go thinking again, they all had to be pre oiled I have Fel-Pro gaskets. I haven't opened the box yet as I am actually reading directions and asking questions first, L
Cargo Master
Joined: Feb 2008
Posts: 2,793
Likes: 128
From: Windermere Valley,B.C. Ca
Would it be presumptuous of me to assume that you are talking about the rear main seal? (for this unworthy flathead ignorant type)
Would it be just as presumptuous of me to ask why not use the moulded "rubber" kind?
Would it be just as presumptuous of me to ask why not use the moulded "rubber" kind?
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