the spring is for a/f. the position of the feelers on the board , adjusts pulse width… get the spring where ya want it then add or reduce with the other peice more volts is higher , less is lower…
the spring is for a/f. the position of the feelers on the board , adjusts pulse width… get the spring where ya want it then add or reduce with the other peice more volts is higher , less is lower…