Originally Posted by JDM_DOHC_SiR

Been messing around with my D4 as well and I have been testing it on the Motolyser that I have and it seems to have a sweet spot right around 58*~60* on the can which is actually reads about 6*~7* lower than the reading on the Motolyser and with a 12.5 standard rotor ( not 5% ) the gearing seems to be the best in the 5.32~5.44 range comes off the track without a Fan in my TRF201xmw at 155* after about 7mins... the motor has quite a bit more torque than my R1 Wurks... but the top end is similar.. overall good motor.. can't wait till we start to see the 5% stuff on the D4