Distributor choices for a Magnum

I won't pollute your distributor thread with a bunch of sniper info.

Here is a thread where i answer that exact question in the last few posts.
Holley Sniper - In Hand, Let the Q and A begin!

in short. the hei will not work for timing control. nor will factory igniton/proform/pertronix.

instructions for the unit, with details for timing control, and a rev limiter.
http://paceperformance.com/attachment/326816-sniper instructions.pdf