I have to share this with you. After many times of timing my 1940 216 engine, I have always felt a slight surgeing or hunting feeling in 1st and 2nd gears till I get up to about 30 mph, and then it's fine, Well I decided to experiment with the Octane Selector and at about 6-7 degrees (A) it has removed all hunting and surging. (How sweet it is....) The "Machine" is running about Perfect. I was always afraid to mess with something I don't understand and probably still don't, but boy is it great now. Just had to share this...........
Wes Marquis