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Originally Posted by Hozer 88GTConv

Thanks for the tips...I got the Hylomar and plan to use it on the heads to set the position of the 1262's. I don't plan on putting any RTV on the upper surface of the gaskets.
I can't believe this may have been a real source of oil consumption in my motor all this time. But after I measured it out, the gasket was easily 1/8" too low on the heads and must have been allowing some serious suck up from the lifter valley.
Thanks again. Merry Christmas.

I run a ported cobra intake with felpro 1262's and canfield aluminum heads and I had the same exact problems you are having.

I glued the gasket to the head with silicone before installing the intake and now it works fine.

Unfortunately I had to pull the intake off about 4 times before I figured this out