just rebuilt runs bad

Thanks man. You just lifted my spirits!

Double check your wiring for the MSD, by-pass the ballast resistor, just run an 10g wire to both ends, here is the diagrams, hope it helps.

http://www.google.com/search?q=msd+...QKp58HSBg&sqi=2&ved=0CDQQsAQ&biw=1366&bih=566

The bottom should be the one you need for the MSD dist.

http://www.google.com/imgres?q=msd+...5&tbnw=132&start=0&ndsp=18&ved=1t:429,r:2,s:0