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Old 01-12-2017, 10:53 PM   #47 (permalink)
cRiPpLe_rOoStEr
It's all about Diesel
 
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Quote:
Originally Posted by ProDigit View Post
The engine revving at 4 k rpm, 3 cylinder has a similar load as a same single cylinder size, 4 cylinder revving at 3k rpm, similar mpg results.
Considering that those 3-cyls usually have a larger stroke proportionally to the bore, they perform better at lower RPM, thus leading to the expected fuel savings.
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