Quote:
|
Originally Posted by Jason50
It's there, though it can't really be heard over the Big boy exhaust 
In car it is fairly clear and @5PSI it is more of a rasp than a whine.
The KB units start off very quite, but as they run in they do start to make more music.
I think it is actually underdriven spinning around 4500RPM when the motor is up at 6K+. Max rating is around 18,000RPM  : |
Sounds the goods mate, having fun I bet.