EFI Supercharged 460!
Lead Driver
Joined: Jul 2007
Posts: 7,868
Likes: 9
From: Rhode Island
There is no harness to make this work, you need to make it yourself. You need to get another ECU connector from another truck, and remove the pins from it to get the extra pins you need.
It's not hard, just need to be careful and take your time.
It's not hard, just need to be careful and take your time.
New User
Joined: Jul 2009
Posts: 21
Likes: 0
Ok I was mistaken then , I thought I could get one off a 94/ 95 maf e4od lightning and work into my harness... or the other route http://www.rjminjectiontech.com/coll...to-maf-harness . But if you could further direct me in the way u performed your conversion it would be of great help.. any pictures ??
Lead Driver
Joined: Jul 2007
Posts: 7,868
Likes: 9
From: Rhode Island
Ok I was mistaken then , I thought I could get one off a 94/ 95 maf e4od lightning and work into my harness... or the other route RJM Injection Tech — Truck SD to MAF Harness . But if you could further direct me in the way u performed your conversion it would be of great help.. any pictures ??
We basically manually made that harness you linked. Pictures aren't really going to help unfortunately.
Basically what you need to do is look at the pinouts for the 460 E4OD truck, and then change it to the 94-95 E4OD Mass-Air 5.0 computer pinout. Ford Fuel Injection has all the pinouts.
Your injection harness is bank fire, meaning it fires half the injectors at the same time, so only has two injector wires. You need that conversion harness to add the MAF wires and the extra injector wires.
Senior User
Joined: Feb 2006
Posts: 137
Likes: 3
I found a FEZ3 PCM for my truck. That's a '96-97 460 with MAF and California emissions . It's Ecc V, and 104 pin.... Got a PCM pigtail from an '01 expedition , some pins will have to be removed and some added in. Paid about a ridiculous $600 for the overlay wiring harness. No instructions included, so I got my Haines manual and started reading wiring diagrams...
Lead Driver
Joined: Jul 2007
Posts: 7,868
Likes: 9
From: Rhode Island
You need a 94/95 F-150 California 302 E4OD computer with the catch code HOG0, HOG1, WAY1 or VEX1.
You're going to need the computer, the mass-air conversion harness (or DIY), and a tuning shop. If you're running a pro-charger, you're going to need the mass-air sensor before the throttle body, after the super charger.
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Senior User
Joined: Feb 2006
Posts: 137
Likes: 3
I actually have a MAF computer for a '95 302/351 laying around here somewhere.... I'll see if I can find it and get the box code. I'm prob never going to use it, as the truck I had bought it for ended up getting stripped and a carburetor now sits on top...I also have an '86-88 mustang MAF conversion PCM ( just the PCM and MAF sensor) ...saw where somebody had a 460 w/ C6, I think his best route would be early mustang PCM such as this or A9L....much much simpler conversion When not dealing with the E4OD
New User
Joined: Jul 2009
Posts: 21
Likes: 0
Ok Thanks Lead Head , I have been looking for the computers you have recommended. What year of truck did you get your harness from i may go the same route you did and just wire it in to mine . How difficult was the repinnig for you ?
Lead Driver
Joined: Jul 2007
Posts: 7,868
Likes: 9
From: Rhode Island
I didn't get my harness from any truck, I just added the wires I needed to. I'd recommend you get that harness kit you linked. It will greatly simplify your task.
A lightning MAF is not ideal in a blow-through application. I'd recommend a slot-MAF. I'd recommend a PMAS HPX.
A lightning MAF is not ideal in a blow-through application. I'd recommend a slot-MAF. I'd recommend a PMAS HPX.
More Turbo
Joined: Dec 2007
Posts: 641
Likes: 3
From: Umicorn UtopiaFantasyLand
Ok guys, I have a Vortec supercharger I need to get rebuilt for my 96 F350, 460cid,C6 wGear vendor,std cab LB, and set it up like the kit that used to be sold a few years ago for our trucks. Main thing is to get centrifugal supercharger rebuilt and go from there. Can you guys help me out? A retired combat vet who would really like to finish this project. Willing to redo heads, cam,etc. Got headers ready the other day. Being painted right now. 
