Originally Posted by
Naters
I'm not sure exactly what they were measuring but at tech inspection they hooked clips to the A side and the C side of the motor and measured something. I asked what the limit was and they said 21.6 for stock 17.5 is the limit. Anything lower was illegal. Then they placed a sticker on the motor with the readings.
I looked on the rules there is no such rule for a legal minimum number so they made it up. My motor comes off at 21.3 each terminal. Its a good thing to know the rules and make sure the things you are running is legal. Also what motor are you running that has a 20.0 ir?