Quote:
Originally Posted by ConnClark
A warm air intake on a diesel reduces fuel economy as well as power and increases NOx emissions. No body benefits from a warm air intake on a diesel
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Yep on a d best to cool the intake or make the intake bigger and move it to suck from a high pressure cooler location. On old NA 6.2s dual snorkles was popular because you gained a noticeable amount of power and a bit of fuel economy.
It is OK to heat the fuel on a diesel and that can have certain positive side effects
But don't heat the air.