Originally Posted by
justin w
What should I shoot for final drive on top photon 17.5 d3 with Tekin non boost
Depends on the size of the track and how flowing it is.
small track (60'x40') - 4.2 - 4.4ish
med track (100'x50') - 4.0 - 4.2ish
large track >(130'x 60') - 3.7 - 4ish
Timing cranked on the motor.