I've run a few different sets of wires on different vehicles but never notice any change in performance or driveability. I have a new 451 in my car now and was thinking of putting on some 8mm or 8.5mm wires on, but can you waste your money by getting something you don't need. Right now I have stock electronic ignition (MP stuff) and the stock replacement 7mm Chrysler wires with a Blaster2 coil and MSD 8.5 Super Conductor coil wire.
My Dad runs FBO stuff and Solid core MP 8mm wires and he's had no problems.
Anything in particular I should stay away from or lean towards for that matter??

Don.