I remember reading awhile ago about the resistors in the writeup being the wrong value, and changing them possibly led to better spark. I never saw much of an update on this, and the MS build writup still has the old values (last I checked).

Anyway, I am going to be trying to diagnose a few electric problems over my Spring Break, and I was looking into doing this.

 

replace the two 1k pull-up resistors on the spark output mod with 100-300ohm ones.

 

Sweet, and has anyone noticed a big difference?

 

It's fixed a couple of people's misfire problems where the voltage drop was severe enough that they weren't getting enough dwell.