over heating issues during break in - The 1947 - Present Chevrolet & GMC Truck Message Board Network

luvbowties · 11-13-2014, 05:18 PM

I noticed you said you are using a clutch fan, and it was been mentioned again that you use a clutch fan. I think that poster really meant to try a clutchless fan.

On a new engine, I think it is wise to use a NON-CLUTCH FAN (6-7-blade would be nice) just to eliminate the chance of a bad clutch not spinning the fan properly. The t'stat and engine dynamics should keep your engine HOT enough; the radiator, fan(s) and shroud should keep it cool enough.

My 2 cents.
Sam

11-13-2014, 05:18 PM	#11
luvbowties Registered User Join Date: Feb 2009 Location: southeasternfoothillsofusa Posts: 1,557	Re: over heating issues during break in I noticed you said you are using a clutch fan, and it was been mentioned again that you use a clutch fan. I think that poster really meant to try a clutchless fan. On a new engine, I think it is wise to use a NON-CLUTCH FAN (6-7-blade would be nice) just to eliminate the chance of a bad clutch not spinning the fan properly. The t'stat and engine dynamics should keep your engine HOT enough; the radiator, fan(s) and shroud should keep it cool enough. My 2 cents. Sam



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