455 rear main seal

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Old January 19th, 2022, 11:54 PM
  #1  
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455 rear main seal

Quite pricey, has anyone used this item?
https://www.fastfishautoparts.com/st...rear-main-seal
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Old January 20th, 2022, 02:43 AM
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Haven't heard that one. Usually, it's the BBF 2 piece.
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Old January 20th, 2022, 08:21 AM
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I've no experience with them but from a concept vantage point; how would one cut it without causing some damage and then expanding it enough to go over the back flange of the crank without distortion? A two piece rubber seal has two factory made ends and just one additional joint at the end of the day

This may be the best seal ever but it raises a couple of questions in my mind. Have any members used one?
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Old January 20th, 2022, 08:59 AM
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Originally Posted by dragline
Quite pricey, has anyone used this item?
https://www.fastfishautoparts.com/st...rear-main-seal
So that "one piece" seal still has a seam in it. Seems like the answer to the question no one asked. The FelPro BBF seal with a dab of RTV on the ends works fine in every motor I build.
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Old January 20th, 2022, 12:02 PM
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I used one about 5 years ago just out of curiosity. It was expensive back then.

got it through Kasse racing engines. That’s where I first heard about the one piece Ford 460 seal. I believe it’s made in the U.K.?

not sure if this one is just the Ford one being sold for Olds or if it’s different…they do have a Ford 460 on their website and the same picture..so probably the Ford one like Kasse

you cut it with a razor blade on a slight angle in the direction of rotation . I put the cut facing up in the block so I could see it when I dropped the crank in.

this is the Kasse one



Last edited by CANADIANOLDS; January 20th, 2022 at 12:15 PM.
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