MSD 6A

[markdilljr]

I have a 84 C10 350 w/TH350, I put on MSD cap and rotor I still have to get the MSD wires. My roommate gave me a MSD 6A ing. box, I heard I need some special wire to make it work on with my HEI dist. My question is will the box make a difference in HP and MPG, is it worth the time to install it or should I not even mess with it and what ( wires ) do I need to make it work with HEI

[VileZambonie]

You need the harness that plugs into the distributor and into the msd module. If you don't have that then just keep the box as a spare for when you do upgrade ignition systems

[malibu795]

IMO def worth the time

and x2 what vile said

[markdilljr]

Thank you will hold onto it until I get the harness

[frotosride]

It's def worth the time..the typical hei falls off just over 4500rpm and typically has loss of power..but the factory did it the cheapest was possible. The msd will ensure a strong spark just shy of 7000.. not that you are reeving that high but if u need it it's there.