These are going to be my next mod on the front of the Explorer. I just bought a pair and I'm going to meet up with Tex (the guy with the 1450 race truck) because he is going to help me tune them.
Get the SVO running right. I have 450cc injectors, rebuilt turbo to 3" downpipe, and full 3" exhaust, turbo master external boost controller, and fuel pressure regulator. I'll definitely make a meet/cruise when this beast is done.