We ran.run I still do March underdrives.My radical 440 runs under 190 all day with 22 inch rad.was stock now cheap Champion aluminum.My son ran the same with stock rad in his 62 300 and it also ran under 190 all day even in the 90s.never a problem charging or with temps.Ive run mine at least 20 years.My son een drove 40 miles to thetrack and back to race his 62.Rocky


Chrysler Firepower