MSD 4 tower coil pack

[crazystang05]

I just am getting my MSD 4 tower coil pack with wires today what would be the best plug to use with them. and how much more could i open up the gap. I will let everyone one know if i feel any performance gain after the install.

 

[white99gt]

I just am getting my MSD 4 tower coil pack with wires today what would be the best plug to use with them. and how much more could i open up the gap. I will let everyone one know if i feel any performance gain after the install.

Keep the plug gap stock .054

As far as a gain with msd.I doubt it..If you get or feel a gain it was because the stock stuff was weak..