Are new aluminum radiators better?

'76 F-Body. You want the one for \6 with A/C. 1 1/2" inlets. This is a 22" wide radiator. Use '75 Dart lower radiator hose, '76 F-Body upper radiator hose. The bottom mounting holes need to be redrilled. I have been running one in my '65 Dart for over 10 years without any problems.
I dont have AC in my 66 though
I now run an OER from Classic Industries ( made in USA ) Barrel top Aluminum with Two fat one inch long cores Rad....
22 inch wide with stock 16 LB Mopar Radiator cap... And 160° high flow T- Stat... and I run Cool... With clutching fan... I also was able to attach 1965 stock Optional fan shroud.. by making new brackets..

I live in Arizona and have No issues driving my 273 Commando 65 'cuda on 115° days . ... aluminum pulls Way more heat Quicker then copper/brass... My re-cored 3 core brass radiator did "not" work near as well.. and it was a money pit...

And yes... The Aluminum radiator is 5 Lbs lighter...

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Im looking on their site and not seeing that. Can you send me a link please?