4 core radiator is the way to go if you can not get any satisfaction this round.
That keeps my '66 at 160 no matter what. In this weather I even run 140. Makes a big difference.
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"If you do everything you'll win"
-LBJ
13 Smiles per Gallon:
66 Bonneville wagon
66 Bonneville 2d HT - In perpetual progress
2005 GMC L-33
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