mf150
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With the OHCs, we need lubrication at higher rpms, too. That is the supposed problem with a higher viscocity oil in these engine.quote:
Originally posted by TallPaul:
I think the cam lube issue is more of a startup issue. Once the engine is running and warmed up the cam lube should not be a problem. Probably could go with even a 10w30 and add a preluber for security to ensure the cam gets lube quick on startup. As for me, I'll sick with the old tried and true cam in block design.
But, I have seen 4.6L Tritons and Mustang motors go for hunderds of thousands of miles. They are bullet proof.