Are new aluminum radiators better?

66DartSedan said

Did you have to alter anything or were they plug and play radiators, like exact replacements?

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Plug and play...used to be called muscle car rad...looked original when painted satin black. The first one had big 1/2 " tig welds.The second one (3 yrs later) had tiny tig welds and was very nice.
I must not have been the only one that complained.
Expensive!