bottom end
im prettynew to tuning these.21 motors but need a little advice on how to tune i have a rossi p5(awsome powerfull motor) by adjusting the bottom end , how much does that efect the temp of the motor?motor is running around 200 to 220,after a 15 min, main but i wanted to know what does adjusting the bottom end really do????? thanks a lot
j.maggio