i was thinking about upgrading my ignition system on my 1956 pontiac...its got heads ,cam i,ntake the works done to it and now i was thinking about doing ignition.....i'm now running a accel module and coil just to try it out i'm personally not a fan of accel but the parts came cheap... i was looking at the msd HEI kit....with coil and module except man its expensive!!!....also i was thinking about the msd AL6 ignition box as a possiblity but its just as much and i'm not exactly sure how it work or hooks up...i was wonderibng what may be best??? any opionions on this would be greatly appreciated....