Quote:
Originally Posted by Jeff Niceswanger
Gulius always has us use 72 with lube Ed ,,,, All his motors are studded
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I use 70 with lube. But, Gulius would know. If I could afford it, I would have one of his instead of my home made engine.
And, the surface finish, Cometic told me I need a smooth finish. Those rough ones like composite gaskets better.