Quote:
Originally Posted by bd307
Don't quote me on this, but I remember hearing a suggestion to turn the heater on in older cars during hill climb to keep it from heat soaking and on track to help cool off the systems.
Anyone has knowledge on this?
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Turning on the heater helps cool the engine - you're venting the heat from the engine. It does actually work.
I've done this to keep my car from overheating on my engine swapped and turbocharged Nissan back in the 1990s which had various problems... the things I was willing to put up with to add horsepower back then... lol
But on a modern car, it is not necessary if your car is well maintained.