No problem. Few more thoughts though. You dropped a few good hints of the problem. Ping means over advanced timing. Your mechanic can iron that out but have him put on the Pertronics ignition first. 2nd hint...."one crank and its running". Though this seems ideal it is actually unnatural. I have my choke set well for cooler running and I still have to pump and crank it over a little longer than that just to fill the fuel bowl before it lights. You are running too rich. Back to the power valve theory. When it is hot you are likely loading up with too much fuel. Good luck!
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