Quote me if i am wrong, maximum power out put is obtained at 8300 rpm, so should we change gear at 8300 or at the 9000 red line

Regards Kev

 

well it's a bit of this and a bit of that...

changing at 9000 simply puts you further into the power band for the next gear

revving between 8300-9000 still gives u acceleration, but at the max power of ~240bhp


-plus- it's an unwritten law that all gear changes should be on or around 9000-9200 rpm

 

Optimum change up point depends on the gear ratios. It's not just about peak power it's about the revs you will have when you select the higher gear.
Generally you need to change up between the torque peak and the power peak for max performance.

 

8350 i think it is

 

Can you be accerating after peak power? Certainly if it takes X hp to reach the current speed, x-1 hp must mean you are slowing down?

 

9000 sounds better

 

maybe you mean that the rate of acceleration drops..