I value the original look. The 2 things that almost swayed me to going aluminum is that my 4 row copper 26" wide radiator is very, very heavy. The second reason I see for going to aluminum is for the cross flow effect. The rows are longer and that will help to improve cooling.

There is even a bigger advantage to someone using a pre-70 setup that has both the upper and lower radiator hoses on the passenger side. There is an aftermarket aluminum cross flow designed for that type of application too. It has a baffle that makes the coolant go from the passenger side of the radiator to the drivers side, and then back again to the passenger side. I think that this system would offer the best cooling of all current designs.

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Dennis
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65' STANG (3330 lbs), 393W NA, Toploader 4 Spd, 4:11, AFR 205's, Vic Jr. Intake, CI Custom SFT, 750dp, 11.0 CR

11.25@122.19mph