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thats what i thought when i put the cam in it last year but thats what the card calls for. sorry bout that did forget to mention that. cast heads.



Different answer for cast iron heads or cast aluminum heads. Also, is it a cast iron block?

My setup is iron block and aluminum heads. I've checked both hot and cold. The "rule of thumb" that hot lash = cold lash + .005" with iron block/aluminum heads works well in my case.