Thread: 50mpg truck
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Old 05-15-2012, 08:22 PM   #45 (permalink)
serialk11r
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Quote:
Originally Posted by bazman View Post
A diesel makes far more sense because you could lug a tall gear at very low rpms to cruise at 65mph and achieve far better BFSC at that load than a small asthmatic gas engine spinning its heart out trying to achieve 65mph into a head wind. Unlike diesels , gas engines do not get great mpg when they have to run under load all the time. Diesels love wide open throttle, but if you look at mpg for 4 cylinder SUV's you will find their mpg is worse than most gas V8's - simply because those little engines are always working hard.

My 2 cents
Naw, gas engines have better BSFC under load, unless you're talking about a turbo engine or supercharged engine running under boost.
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