I'm no expert, but I'll take a crack at them
1.) not the standard ones, but you can get special ones that incorporate an overdrive blower pulley and an underdrive crank pulley into on unit. These come highly recommended by everyone around here who has used them.
2.) I doubt the MSD by itself would do much in the way of hp gains. Boost retard will let you run more initial timing without pinging at higher rpms, so it would give your low end a boost. I seem to remember someone saying you could effectively use the EEC tuner as a boost retard too, so maybe consider than instead of the MSD.
3.) Ranchos and Cal-Tracs
4.) Haven't done this, but probably a tenth, plus you get to get rid of that huge annoying fan shroud (stupid thing always seems to bite me), and you can set it up to run while the truck is off to cool down at the track. |