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I did this and the temp continued to rise

Yes. The fan is drawing. It will pull a hanging towel right up against the fins and hold it there. Defiantly hotter outside of the fan radius though.

No I didn't. I hadn't heard of that method. Does that work to remove any air pockets?

I'm quite positive that something is clogged or blocked in the block, but where? We are going to let it get to temp tonight and shoot each head with a heat gun and see which side of the heads that i remove first. I agree. It should have been fine with the stock fan.

While I have everyones attention, one more thing. Where should I probably have my Holley 770 Dp jetted to? What is a good start? The 650 was starving the engine for air. Thank you. - - - Updated - - - Correct. We could watch it flow by across the top fins

Air pocket. THIS is the one that I have been hearing the most about locally. Wouldnt all of my draining and refilling of the antifreeze/ radiator during all of my trials have eliminated an air pocket? Not to mention 2o min of forward and back flushing? I know a guy with the radiator cap...

Running open road no stops The heads were not hot tanked, by me. It wasn't a full rebuild. We just added the cam, headers, carb. and exaust. Prior owner had it bored out with new guts inserted. They ran it for 4 years with no overheating issues, that he told me about. I have not tried...

Its been at 18 degrees moved it back last weekend no difference - - - Updated - - - It has a new gauge and the factory gauge still working. they read damn near exact

fresh rebuild 1968 383 Magnum .30 over 10.5-1 comp. Mildly aggressive cam 770 Holley, Edelbrock Performer intake, 1-7/8" headers, 2.5" exaust It runs absolutely perfect. within 12 miles I am at 230 degrees+ New 3 core alum. radiator with 2500 rpm fan and shroud tried 3...

Hello! I'm new to this site and have already been enjoying the posts and the outstanding help that members have offerd to folks in need. I have a few finishing touches on my newly aquired 67 Coronet and am hoping to have it on the road in a couple of weeks. I will be posting my elec...