ICs dont really inhibit EGTs. Your not wrong in what you are saying though. The turbo compresses air making it more dense, so more air means we can put more fuel in which equals more power and torque etc. Now when the turbo compresses the air it heats up so we put it through an intercooler which in turn brings the temps down increasing density once again. More air will then equate to leaner afrs and lower egts.Originally Posted by Hodge
The ic efficiency wont change. Placing a fan on will help to reduce heat soak which top mount intercoolers are plagued with. This is where better quality cores come into their own as they can get rid of heat soak quicker. Remember the cooler is just a heat exchanger, if air flow is poor the exchange is low just like any other cooling system.
The problems with the fans that are fitted to most cc coolers or most top mount coolers are they arent up to the task for prolonged periods they simply do not move enough volume of air to keep the heat soak away. Its a double edged sword though as you simply can not fit a fan of sufficient output under the ic.
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