Quote:
Originally Posted by Racer Boy
Whatever the heat range of your spark plugs, they have no affect on the water temperature of your engine.
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Why is the heat range even being mentioned? Both plugs have the same heat range. It's the physical difference in the plugs that I am referring to.
Now, from what I feel, the engine is running smoother. It appears to me that the NKG plugs are doing a better job at igniting the air/fuel mixture and doing it at a more proper time. This is allowing a more complete burn and the timing at which it's doing it at is allowing the more of the combustion to escape the cylinder when the exhaust valve open, which allows more heat to escape the engine.
We are not talking a huge difference here, probably around 4° cooler.
My car
Hybrid Mode
