FWIW, my 462 has always run at 210, and I've tried everything $uggested here and more. Mech fans, electrical fans, expensive water pumps, gutted stats, non gutted stats, timing, vac advance, jetting, radiator caps, water wetter, several expensive aluminum radiators, etc. etc. etc. It has and still runs at 210 once warmed up, regardless of speed, outside temp etc., confirmed with several sending units, gauges and thermometers, no matter what.
It's got almost 20k on it in the last 9 years and runs stronger than ever. I wouldn't sweat it if I had to do it all over again.
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'66 GTO convertible. 462, KRE 290 cfm Dports, SD "Old Faithful" hydraulic roller, CVM ported aluminum Tripower, TKO600, Moser 12 bolt
"I open up three deuces, I'm Never Coming Back!"
Last edited by Tripower455; 10-06-2014 at 01:18 PM.
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