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					Originally Posted by byndbad914  1.  On the left side with the three integrated coolers in the crossover tank, are there just lines running inside, or are there fins with a line curving through them like the heat exchanger on a refrigerator buried in there?
 
 2. You mention getting an oil cooler that is stainless steel - is there a particular reason that SS was chosen as the material v. aluminum?  I would think conduction across and convection through an aluminum part would be better, certainly conduction as SS is a poor thermal conductor.
 
 TIA.
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 End tank heat exchangers (oil) is as shown in this link
http://www.crracing.com/custom-built...heat-exchanger
Other coolers are similar for power steering and trans. 
Plate type is much better than tube-and-fin heat exchangers with respect to pressure drop and heat transfer. 
One reason for stainless is for strength to withstand 100 PSIG oil pressure without resorting to thick wall sections - which would be required for aluminum.  
Dave