47-55.1 1951 GMC heater - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**mr48chev** · 12-01-2023, 04:47 PM

I really do like the looks of it and if it will keep the cab warm and comfy that is all you need.

Sometimes though rebuilding an old heater costs way more than buying a Vintage air heat only unit that mounts up in the samespot, puts out great heat and can defros/defog the windshield. Heater cores for those older units can go 250/300 or more quite often if they are the round cores. I figured out one day that to fully restore and upgrade a "standard recirculating" 47/53 heater was going to run right at 400 before all was said and done if you bought a new round core and a new heater motor and the proper paint to paint it.

12-01-2023, 04:47 PM	#9
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,561	Re: 1951 GMC heater I really do like the looks of it and if it will keep the cab warm and comfy that is all you need. Sometimes though rebuilding an old heater costs way more than buying a Vintage air heat only unit that mounts up in the samespot, puts out great heat and can defros/defog the windshield. Heater cores for those older units can go 250/300 or more quite often if they are the round cores. I figured out one day that to fully restore and upgrade a "standard recirculating" 47/53 heater was going to run right at 400 before all was said and done if you bought a new round core and a new heater motor and the proper paint to paint it. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.



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