Yes, if you have the program backed up all you have to do is hook up the laptop and send the appropriate program. But you should make sure you have mostly one or the other in the tank; E40 might not work good on either program!

Fuel pump and all other kit hardware is stock from the kit.

I'm running a Ford Duraspark distributor, that I curved myself, with a Crane HI-6 ignition and LX-91 coil. The Commander 950 is not controlling timing. MSD used to make an FE crank trigger that would have been perfect, but in their infinate wisdom they discontinued it. As far as I'm concerned, MSD can take their products and shove 'em up their... never mind.