Posted by jacks on August 02, 2016 at 19:37:08 from (174.66.31.80):
In Reply to: Valve Seal Question posted by nh8260 on August 02, 2016 at 15:57:20:
If it originally had umbrella type seals, it is possible to machine the top of the valve guides to accept Teflon positive seals. I have done this to several engines years ago, with an excellent reduction in oil consumption. If they are still in business, Perfect Circle made these seals and they may still be available. If your valve guides are excessively worn, you will need to replace or knurl them prior to installing new seals, or the new seals will not last.
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