engine still not cool enough

duster360 said

My radiator is a 22" 2 row. Can't remember the name. BUt I bought it at Advance Auto Parts. My '70 340 has about 15000 miles from a previous vehicle I had it in. It is standard bore with factory 10.5:1 forged pistons, .480 lift cam, airgap intake. Before I put it in my 67 Dart I pulled all the freeze plugs. The block cooling passages were super clean.

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I bet we have the same Rad.

I just dont think there is enough capacity or flow in these to keep our
cars as cool as we would like. Ive tried pretty much everything else I could try. All parts are new.

As mentioned,I probably am fine at the temps im running,but I would like it to run cooler. I can tell the difference in performance when the car is running at 190 or at 205. Car runs way quicker at the lower temps.