".... it won't do one damn thing other than look different."

BigJim, I take it that you don't agree that the new style parts won't last longer or give better service? As I said earlier, these parts have proven durability on my customer's Jeep vehicles, especially on SJ Grand Wagoneers with 5.9ls where these parts have easliy exceeded the life of the OEM parts by twice, if not more, with only plug changes needed at 30k, instead of replacing wires, cap and the rotor, too due to breakdown of the insulation and corrosion in the cap sockets.

I took it that time2play was asking about an upgrade he had heard about, not a repair for a specific problem. I'm not trying to start any flame wars here! I completely agree that one should diagnose the exact cause of a problem before attempting a repair, but as I stated earlier, if all or most of the ignition parts are due for replacement anyways, these parts work well for very little added expense. I agree with you and Superdawg that installing a race ignition on a stock engine is a total waste, and the race type coil and module probably won't last very long. These parts are factory OEM on millions of Fords, not race parts.