05-13-2010, 10:53 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
Modern cars, generally speaking, seem to be in the 11 to 12% range. Back in the day it was 20-25%, so there has been a lot of progress.
One of the early methods was roller lifters in engines, like the Ford 302, shoot now everybody does that or goes to OHC. Top Loader's like a classic trans oil like 90 wt or higher. Most modern trans use ATF even in the manual transmission. Seems to me the new Mustang GT-500 is using an electric power steering pump? Yet another way to combat parasitic loss. Synthetic oil of course, making a strong showing. CVT trans are now offered in some cars as well, they are VERY efficient (but boring). Belt drive instead of chain for motorcycles. New ideas coming out all the time.
A "slight" gain here and there, it add's up if you stay with it.
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