[Crumpp]

So you can see how lightly boosted the German engines were:

Because the German engines typically had higher compression ratio's....

Increasing the compression ratio of an engine is one of the best ways to increase horse power and torque.

http://www.nightrider.com/biketech/h...ompression.htm

This is another advantage to direct fuel injection and by product of a more accurate fuel metering system.

More efficient, higher compression ratios are usable, due to accurate fuel metering.

http://www.twminduction.com/faq/faq.html