Originally Posted by techinspector1
You don't need long rods to rpm a motor.
You don't need high or low DCR to rpm a motor
Depends on how high you want to spin it, long rods (ie lighter pistons), and high compression come into play rather quickly after about 6500 RPM. Even at low RPM they are a benefit but become a necessity the higher you turn.
It really comes down to, "how high is high rpm?"