Lee, my cam is a Clevite brand. I have been running this cam in my car but with only about 10.3:1 compression. I had it installed at what I would call "straight up"....I didn't add any advance or retard when installing the cam. This set-up did not work well. I had to run valve lash at about .035 hot to get any performance. In another word I was having to take cam out of the engine. Engine is apart now, going to be re-engineered, and I want to get as good a sit-up as I can with the cam. I know many on here and other sites say the ZL-1 cam is no good in any case, but how can I get it as "good" as it can be. Also several on here have much, much more experience than me with this sort of thing and I am hoping to gain from their trials and errors.
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