The oversquare bore sizing is purely about revving harder and bigger valves. Unfortunately it has a deleterious effect on fuel economy thanks to flame travel distance.
You'll note how pre-DI Subaru Flat 4's use much, much more fuel than their Mitsubishi counterparts despite being otherwise fundamentally similar cars
__________________
Quote:
Originally Posted by Crazyrabbit
In God we trust. All others: bring data
|
|