The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Seeking input on radiator replacement for 1977 GMC 3/4 Longbed

tucsonjwt · 11-02-2016, 05:27 PM

X2 on Spectra aluminum/plastic radiator. I put one in my 83 C20 w/AC 454 and it cools fine - even in 115 degree Arizona desert heat. I bought mine online from Autozone with 20% off and free shipping delivered to my door. I have a thread on this somewhere on this forum.

I separated the brass/copper from the steel on the old radiator and sold it at the local scrap yard for I think about $30, so my net cost on the new radiator was less than $100.

If you are concerned about originality you will likely not find an OEM radiator that still has any life in it, and rebuilding one correctly will cost a lot of money. I now think plastic/aluminum is better than copper/brass.

11-02-2016, 05:27 PM	#6
tucsonjwt Registered User Join Date: Jul 2007 Location: Tucson, AZ Posts: 3,188	Re: Seeking input on radiator replacement for 1977 GMC 3/4 Longbed X2 on Spectra aluminum/plastic radiator. I put one in my 83 C20 w/AC 454 and it cools fine - even in 115 degree Arizona desert heat. I bought mine online from Autozone with 20% off and free shipping delivered to my door. I have a thread on this somewhere on this forum. I separated the brass/copper from the steel on the old radiator and sold it at the local scrap yard for I think about $30, so my net cost on the new radiator was less than $100. If you are concerned about originality you will likely not find an OEM radiator that still has any life in it, and rebuilding one correctly will cost a lot of money. I now think plastic/aluminum is better than copper/brass.