Quote:
Originally Posted by bNks334
@Feuer coolant can only cool as much as its flow rate allows it to. Only so much heat can be winked from the block as the coolant passes through.
If coolant temps are in check, then dumping heat through the heater core (essentially a second radiator) isn't going to help much since the stock front radiator qwas already sufficiently cooling the water...
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Since q-dot is proportional to mass flow at a given delta-T, delta-T is going to go up with q-dot if mass flow remains unchanged. So tuning or modifying the engine for more power is going to require a higher delta-T from radiator inlet to outlet to maintain balance. And that means more heat transfer area, among other parameters. Pretty sure that's what he meant when he said his 335i is tuned.
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