Converting '99 Ranger 4.0 OHV to '02 4.0 SOHC

[MorbidlyAngelic]

So, the Ranger's got a cracked OHV block. I have an ENTIRE 2002 salvage Explorer XLT, with a SOHC. Both auto trans. Both PATS.

What kind of magic will I have to perform to make this happen, or will the engine play nice with the slightly older platform?

I bought the Expo for the trans, rear end, and some body parts. The beautifully running engine was a bonus. And since my Expo just got a new engine two years ago, I'd like to give an extra 50 horses to the Ranger.

 

[MorbidlyAngelic]

Anybody?

 

[2000StreetRod]

analog instrument cluster

Your Ranger has an analog instrument cluster with discrete signals controlling the indicators. The 2002 Explorer has a microprocessor controlled instrument cluster with a digital interface to the PCM.

The Ranger has a 5R55E transmission and the 2002 Explorer has a 5R55S/W transmission. The engine and transmission wiring harnesses are different.

The GEM will also probably be a problem.

I suggest that you obtain wiring diagrams for both vehicles and determine the differences before deciding to attempt the swap.