Essentially want to put that HD 30 Chevy Van 454 into the V6 Step Van with as little extra work and cost, extra parts, programming? as possible, Using what I have handy and or bypassing or...

Thanks,

On closer inspection I found the wiring harness for the Autotronics unit. very cleanly installed and the plugs for it fell down beside the vacuum controller for the EGR and looked like...

I have a 95 P30 Step van with a v6, and A 94 HD 30 Chevy Van 454 that is on propane for a donor. Both have 4L80e transmissions and looks like a direct easy bolt it with near all the same wiring to...