Quote:
Originally Posted by Christ
Smallest radiator possible with the highest cooling capacity available.
I think most of the pressure in the system comes from the amount of times the water has to change directions, not necessarily from the radiator. Measure pressure drop across the inlet and outlet of a radiator, at whatever CFM the fluid flows, and then do the same through all the passages of the block/head. I'm sure you'll find that it's much greater in the engine.
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I agree - most of the pressure drop occurs in the engine. But replacing a radiator is much cheaper than the engine
. But the point is to actually lower my available cooling capacity (water volume and surface area) to improve warm up times and SLIGHTLY reduce back pressure (that piece may only be worth 0.1mpg or less).