Stan Weiss
Member
Without knowing at what altitude he is racing at it is hard to say how HP is losing because of the altitude.
We need to look at your dyno sheet, the shape of the curve at peak HP power will dictate how many RPM after that point you need to shift.
We need to look at your dyno sheet, the shape of the curve at peak HP power will dictate how many RPM after that point you need to shift.