OK So if your right then the car rated at 75MPG would be something like 60MPG on the US gal?? (75X.20=15-75=60)
So is the English mile the same as the US Mile??
As for heated the current intake, I see a MAJOR lost of power here in the summer even with the engine holding its running temp at 190 with 110 degree intake air.
And when it gets cold a big power boost and better MPG in the cold winter air temps.
SO in my book colder intake is better.
Rich
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