429/460 Overheating Issue

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#11 (permalink)

07-23-2017, 08:28 AM

Speedwaypj Speedwaypj is offline

CC Member

Join Date: Sep 2007

Location: Sanford, FL

Cobra Make, Engine: A&C (near future)-460

Posts: 101

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Modified shroud

Update - mod shroud to include 95% of radiator... seemed better....still temp creeps up to 230F, but if I set idle high (~ 2500) it will bring it down to around 210.....still pushing antifreeze out, about 1 1/2 qt. Radiator cap inline with output, high location...may need expansion tank to accommodate expansion when hot.
... 6 blade flex fan, good shroud - pulling fine - better than most production shrouds, mild upgrade on engine...(when I had head off, everything looked ok...no leaking gasket)

I guess I'll get an aux electric fan...and see what happens....yes there is a plate behind water pump.
still doesn't make sense to me.....

Any more Ideas?????

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