sidhiatt Posted September 16, 2003 Share Posted September 16, 2003 I replaced rear oil seal on my 57 olds engine , the rope type, and it still leaks is any other seal available other than the rope type ? Link to comment Share on other sites More sharing options...
Sgt Art Posted September 16, 2003 Share Posted September 16, 2003 Sounds like it wasn't properly installed, it should last a little while. I was able to replace the rear main seal on a 455 Olds engine with a 460 Ford seal. This is the neoprene (sp?) two piece type that is more commonly used. Worked great. I don't know if there is a similiar one that will work with your 371, though. Link to comment Share on other sites More sharing options...
rocketraider Posted September 17, 2003 Share Posted September 17, 2003 Tom Joyce (twjoyce on forums) has a new design rear seal for 371/394. Search twjoyce and you should find a way to contact him. Link to comment Share on other sites More sharing options...
Guest Blownolds Posted September 22, 2003 Share Posted September 22, 2003 Yes, Joyce Bros. Restorations is the distributor for the neoprene lip seals that Best Gasket makes for these old dinosaurs. I need to get some myself. Link to comment Share on other sites More sharing options...
rockettdog Posted July 19, 2019 Share Posted July 19, 2019 can I replace the rear seal without taking the crank completely out Link to comment Share on other sites More sharing options...
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