71MonteCarloMD Posted August 26, 2016 Share Posted August 26, 2016 I was going to have my original radiator rebuilt as it cost more than new one so I am looking for new one as theres lot of options as I am looking for equivalent replacement for daily driver. I searched forum and didnt find much info, any recommendations for my '71 350 4bbl (originally 2bbl) and what I should look out for? I dont plan to tow anything, should I look into separate transmission cooler as well? Rick Quote Link to comment Share on other sites More sharing options...
stangeba Posted August 26, 2016 Share Posted August 26, 2016 My original NO A/C rad was replaced (over 20 years ago) with a rad for my car as if it did have A/C. I can't remember for sure, I think the original was a 2 core and now I have a 3 core. The overflow tube is slightly off but still OK. The trans cooling lines were off slightly but fit OK. I got it from the local auto parts store, Murray's then I think. I still have the OEM rad in the basement. Bruce Quote Link to comment Share on other sites More sharing options...
GatorDog72 Posted August 26, 2016 Share Posted August 26, 2016 I replaced mine with an aluminum one from summit racing, part # SUM-380457. Here's the link. It wasn't a 100% perfectly identical part to original, but it fit in with no problems and it cools much better than the original. Quote Link to comment Share on other sites More sharing options...
71MonteCarloMD Posted August 26, 2016 Author Share Posted August 26, 2016 Thanks guys - I explored more on this and I am not sure what "heavy duty cooling" is and how do I know if I have it? BTW - my '71 is non-AC and plan to keep the original fan shroud and fan, would the Summit one fit? Would any radiator from local shop like NAPA, Advanced Auto, etc have good quality ones? Quote Link to comment Share on other sites More sharing options...
monte70car Posted August 27, 2016 Share Posted August 27, 2016 I put this one http://www.chevelle.com/1968-1972-Heavy-Duty-Aluminum-Radiator-Auto-or-Man-P7982.aspx in my 72. My 70 has a 93 GMC 1500 pickup radiator in it which runs roughly 215°. Quote Link to comment Share on other sites More sharing options...
bigtankjones Posted August 27, 2016 Share Posted August 27, 2016 I replaced my original with a Champion 3 core radiator. So far no issues. I run below 180° on temp. I wasn't gonna spend $600 + for a new aluminium radiator. Quote Link to comment Share on other sites More sharing options...
John S Posted August 29, 2016 Share Posted August 29, 2016 I have the small radiator. 20 3/4 inches with 3 bolt top cover and no A/C. It gets HOT in Georgia and I had a 3 row core installed and have no issues at all. Even idling in traffic in 95 + temps. Quote Link to comment Share on other sites More sharing options...
Leghome Posted August 29, 2016 Share Posted August 29, 2016 My local NAPA store gets our replacement radiators form Spectra on the East side of INDY. I have not heard of any complaints on them YET. Quote Link to comment Share on other sites More sharing options...
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