something is not right with the mechanical advance

mr gtx

Member
Joined
Jul 27, 2020
Messages
184
Reaction score
97
Location
central ny
this was the problem

695075656.jpg
 

twostick

Senior Member
Joined
Dec 13, 2012
Messages
2,516
Reaction score
2,525
Location
Beautiful Downtown Roebuck Ont.
Glad you found the problem.

As for the Pertronix, or any other electronic triggered ignition, they will all tend to retard the timing not advance it.

It takes time for them to to process the trigger signal, charge the coil and then trigger the coil. This time is fixed but the trigger speed goes up with RPM. More crank degrees traveled in 1 millisecond at 6000 RPM than 800 so they can "lose" timing.

Kevin
 
Top