My 67 chevy ii has a 250ci and a hei conversion but the distributor runs a locked advance and has no module in it in the race car it came 9out of it ran a msd box but i cant seem to figure out how to wire my box in there are two wires coming out of the distributor (black and red) under the cap they are green and yellow. does anyone have a diagram for what i need to do? thanks

See if this helps. MSD 6AL

thankns got it! it was easier than i thought i always scrae myself with wiring!

I'm glad that helped. I know what you mean. I'm in the middle of an HEI-MSD-LC1-Megasquirt-TBI trauma. Baby steps and one wire at a time. Beater