Reply to "Leaking rear main seal - sometimes!"

cenglesMember

Sirs,

I have been told that the old FelPro *brown* rear main seals worked well compared to their new replacements, which are black(?). The Speed Talk Engine Tech forum has several comments from engine builders about the lower quality of the new seals and the increase in leaks. IIRC, the good ones were made of Viton (?).

There are some sources for those. Apparently, Cometic makes a pricey brownish rear main seal. Does anyone have any experience with the Cometic rear main seals??

Warmest regards, Chuck Engles

7/19/167:30 AM

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