Originally Posted by CMcAllister
That much gain that quick is not the radiators fault. Are you running the thing lean? Timing slow? You can usually see the difference in the temperature gauge by moving the jetting a few numbers one way or the other.
no Lean... and very Fast ... a little bit rich ... best ET is 7.82@175

1970 Cuda 496 street driven 9.22@150
1971 Demon 572 7.82@176
1957 Desoto Adventurer Convertible 345 Hemi
1958 Plymouth Fury Christine
2008 Dodge Ram 1500 Hemi
1970 Dodge ChallengerRT 6pack 4 speed 1 of 135
1968 Dodge Charger RT 4 speed