I contacted Virginia Classic Mustang and they gave me a few recommendations. They said the 2-row aluminum would be the best for cooling. I also found a Spectra radiator on Amazon for $125.
Aluminum 2-Row Radiator
Original Style 3-Row Radiator
Spectra Radiator from Amazon
What do y'all think?
Aluminum 2-Row Radiator
Original Style 3-Row Radiator
Spectra Radiator from Amazon
What do y'all think?