Quote:
Originally Posted by Isaac Zachary
Taller gearing doesn't only lower friction, it also increases load. Load reduces throttling losses.
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Yes, pretty much any car can use taller gearing.
The question is, do you get more out of lean burn? In many cases, it's extremely expensive to make the gearing taller. In other cases, the taller gearing has diminishing returns, while lean burn can add substantial efficiency.