Does This Debunk the "Coolant Can Flow Through the Radiator Too Fast" Idea???

RustyRatRod said

I always try to run whatever is stock. Normally, that's "around" a 13 pound cap.

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13, 14, or 16, depending on whether the car had a standard or heavy-duty cooling system, had A/C, etc. There might've been 15-pound caps in there, too. Different kinds of seals and pressure valves on 'em, too; article here.