Newly built SBC first time starting. Comp cam, headers, intake/carb etc etc. Started up instantly fast an easy and I brought RPMs up to 2300ish for 20 minutes for break in like Comp papers said. All was well but 15 minutes in I noticed some smoke and it was getting hotter than normal. The smoke was just a minor oil leak on valve cover dripping on header. The heat was cause I was in a garage and needed more air flow. I got a big box fan on high in front of radiator now. When I went to restart it, it wont. Just cranks and spits a bit. Waited until it cooled a little and still just cranks and cranks with a pop or two. I know it has gas and spark. Timing shouldnt of moved and it was just running fine. I dont get it.
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