[Daox]

Originally Posted by JRMichler

The heat used by the intake heater goes right back into the engine, so should have no effect on warmup time. Theoretically.

On the other hand, an intake heater that uses exhaust manifold heat should theoretically warm up faster.

Somebody want to run some tests of warmup time?

Done, a few years ago.

http://ecomodder.com/forum/showthrea...-up-11471.html