thanks folks for all the info. Its my inquisitive nature that probes for specific answers. i guess that since some of the answers were different and there didnt appear to be a consesus on what was the reason exactly. Revs, HP, torque, poor design, or a combination of any of them, it was a little difficlut to decide what the actual answer was.

Dodgeman, you hit the nail on the head with
Quote:

and power really is the result of revs, hp, and torque. I guess there isnt a formula the engine builders use to decide this and its decided by prior experience rather than science.

Thanks yet again for all the informed opinions peoples. I think its time to put my pestering to rest.

Kegs, the question was intially was about the donk i got from you, but I decided about 10 posts back not to bother since it was clear that the a series doesent need any extra beefing up.