EFI ?
Postmaster
Joined: Oct 2009
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Depends on the motor. The 3.0L got Sequential Fuel Injection in 1992 (Yes I know this for a fact), but the 4.0L didn't get it till 1996. If your vehicle can do a cylinder balance test or can detect misfire codes and pinpoint specific cylinders, then it has Sequential Fuel Injection and controls each injector separately. Again, the 3.0L for sure has SFI in 1992, which I think was the first year, and the 4.0L gets SFI in 1996.
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Senior User
Joined: Sep 2003
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From: Manton,MI
Mine is a 4.0L so it should be batch fire then. Now for the bigger question. Can i add 2 injectors and make the EFI run a 289 V8? I need more power than a 4.0L can deliver. Turning 35" tires with 9 passengers and gear is a little much for her. However I dont want to go back to a carb, so i want to keep the EFI.
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Lead Driver
Joined: Sep 2003
Posts: 7,016
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From: SoCal
There is more to it than the injectors. There is also the 6 plug EDIS, which is triggered by the crank shaft position sensor and some firmware inside the EEC.
If you want to run a v8 with EFI, it's much easier to just get the engine and matching EEC system from a v8 car or truck, like maybe an Explorer.
If you want to run a v8 with EFI, it's much easier to just get the engine and matching EEC system from a v8 car or truck, like maybe an Explorer.
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More Turbo
Joined: Aug 2007
Posts: 555
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From: Washington state
Mine is a 4.0L so it should be batch fire then. Now for the bigger question. Can i add 2 injectors and make the EFI run a 289 V8? I need more power than a 4.0L can deliver. Turning 35" tires with 9 passengers and gear is a little much for her. However I dont want to go back to a carb, so i want to keep the EFI.
How about this?
FS: Edelbrock Pro Flow Efi (SBF 302) - Ford Muscle Forums : Ford Muscle Cars Tech Forum
More $$$$$ But you know it's new.
Ford 260, 289, 302 EFI System [FORD302] - $2,994.99 : Mass-Flo EFI, The World's Only True Plug and Play EFI System.
Lead Driver
Joined: Jul 2007
Posts: 7,868
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From: Rhode Island
No. The ECU is set for V6 timing. If you were to hook a V8 distributor to it, it would have no idea what is going on. An '86 batch fire 302 computer would probably plug right in and work well enough. Even better would be just to convert to an '87+ Sequential EFI 302 computer.
Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
Mine is a 4.0L so it should be batch fire then. Now for the bigger question. Can i add 2 injectors and make the EFI run a 289 V8? I need more power than a 4.0L can deliver. Turning 35" tires with 9 passengers and gear is a little much for her. However I dont want to go back to a carb, so i want to keep the EFI.
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Senior User
Joined: Sep 2003
Posts: 467
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From: Manton,MI
My thought was to run a newer one wire distributor and just use the vans EFI but I wasnt sure the efi would work without the EDIS working. This is just in the thought process right now and if I cant do it cheap it wont happen.
Post Fiend
Joined: Oct 2005
Posts: 5,242
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From: Kiev, Ukraine
So if you use V6 PCM on V8 distributor you'll get DTC.
My advice - '93 Mustang PCM and wiring. it is with distributor and MAF .
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Senior User
Joined: Sep 2003
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From: Manton,MI
Maybe I'll just put this on the back burner for a while. I also have a couple 4.0L engines i could try and build up but I havent been able to find much in the way of performance stuff for them, other than blowers. I need about 220 HP with lots of torque.