Motor and battery question
I have two questions..
1st... I have a BMI chassis and I can't seem to figure out how to keep the batteries in place... I've tried the orig strap , the blue alum and one that came with the bmi chassis... anyone else have this problem or know of a fix?
2nd. WHen I am dynoing motors what are the basics that I should be looking for in a motor.. what makes a stock motor better than or worse than another stock motor?
Is it volts, amps, rpms... a combo ????
Thanks