i have an 86 4x4 with the 22r motor...i have msd ignition and performance coil, the ignitor assy. located under the old coil has pooped out, i need to know if i can plug the msd box into the pickup from the distributor, the distributor has vaccum advance, it has a plug that comes off of it and connects to the ignition assy, please e-mail responces to papaofkane@yahoo.com thankyou

Sounds like a question for the MSD tech line.
Don't know how their system interacts with the stock coil/ignitor system.
Or, just get a new ignitor ?