Quote:
Originally Posted by parsonsj
5/8" 6061 .035 wall aluminum tube is good to over 1000 psi. Thick walls are not required for aluminum tube for engine cooling. In fact, aluminum is a better choice because it coefficient of heat transfer is much higher than SS.
Power steering with its 1500 psi requirements is a different story... that's where the thick walls are required and steel or stainless is the better choice.
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This is where I was going with it regarding oil cooling but let it go
I have twin, large, off-road coolers on my race car, both are aluminum, pretty standard "radiators". Haven't had a problem in 6 years of beating the hell out of my car with a dry sump system (I limit my dry sump to 65 psi).