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Topic Review (Newest First)
07-24-2012 01:15 AM
67MercCat great link man, I would like to finish this soon as it seems like all the pieces of the puzzle are coming together.
07-23-2012 03:01 PM
cseay1949 this is a pretty good overview for a 5.0 EFI swap .. although it's on a classic mustang, much should still apply to your Merc. At one time there was a real good article on Ford-Trucks.com about using a Crown Vic donor car, and utilizing as much original parts as possible off the donor to keep the cost down - might be in their tech section.

Swapping A 5.0L EFI & T-5 Into A Classic Mustang - Mustang Evolution
07-23-2012 06:15 AM
OneMoreTime Do your homework as it may be more cost effective to just get the plug and play aftermarket wiring harness also time effective as well..

Sam
07-23-2012 12:26 AM
67MercCat It seems like a full donor car would be the best bet. I need a mustang with a blown up engine or something that I can have my way with until I finished from start to end. Thx for your help
07-22-2012 12:09 PM
LATECH Not sure if the 90-92 had a MAF I dont recall. It might.
HO firing order is different from a standard 5.0.Maybe I am preaching to the choir here, sorry.
Grab the fuel sending unit so you can mod the one you have with the newer OE stuff. At least you can "bone It" for the pump hanger and such to fab a new setup for the getup.
I think the Airflow density systems ( MAF) perform better than the speed density setups ( MAP), and the mileage is better too, believe it or not.
Also fuel fittings lines and anything fuel related should be scarffed.
Nylon line is easy to work with and works well. It can be bought in 25 or 50 foot rolls too, so you can make a seamless run from front to rear.
07-22-2012 11:48 AM
67MercCat yes I'm carbed now, wiring doesn't bother me none, they're really straight forward if you approach them with patience. The engine year I'm working on is a late roller block in my 67 Cougar. I drive it often so I'm looking to get off the carb wagon for awhile. I think I could grab the computer from an 90-92 mustang, collect Injectors from the Turbocoupe or Supercharged 3.8 Thunderbird (36 lbs.), fuel system, MAF, O2 sensor. anything else?

I have a little supercharging project going that I need a system that changes fuel mixture according to the air flow. I figured a MAF would handle that well right. Also I'm guessing that I have to change the firing order as well?
07-14-2012 06:45 AM
LATECH
Quote:
Originally Posted by 67MercCat View Post
Hey everybody I'm considering going to fuel injection now with my Ford 302. I'm would like to know why some guys buy a new EFI wiring kit instead of using the original harness, computer and wiring. Is it too difficult?

If I want to change it to EFI (with a MAF) what are the necessary hook ups? I know the o2 sensor, MAF, fuel return system and injectors but what else is involved to make it run?
Wiring can be pretty intimidating for many. The plug and play feature some kits offer makes it pretty "painless" one could say.

The best way to convert is to have a donor car, like a mustang and grab what you can.
Are you carbed now?
What year make model are we working on?
07-13-2012 09:27 PM
67MercCat
Fuel injection on 302

Hey everybody I'm considering going to fuel injection now with my Ford 302. I'm would like to know why some guys buy a new EFI wiring kit instead of using the original harness, computer and wiring. Is it too difficult?

If I want to change it to EFI (with a MAF) what are the necessary hook ups? I know the o2 sensor, MAF, fuel return system and injectors but what else is involved to make it run?

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