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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Which ecu is better

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Old Nov 5, 2011 | 07:26 AM
  #16  
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All I need is a pinout of where the wires are supposed to go. This project isn't any harder then repinning a 94-95 mustang to take an a9l from a foxbody or adding a massair ecu to an 87-88 mustang
What the problem i have is that the diagram of the pinouts don't show clearly where the extra injectors or the maf wires go.

I have a 90 e4od truck. What column shows where the maf wires go for my application. Is it the 94-95 column I look at....because that's the only column that shows 8injector outputs and maf wires. How about you assist in helping instead of saying I Need more research. This project is cake if I had a diagram.
 
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Old Nov 5, 2011 | 11:06 AM
  #17  
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Originally Posted by UNTAMND
All I need is a pinout of where the wires are supposed to go. This project isn't any harder then repinning a 94-95 mustang to take an a9l from a foxbody or adding a massair ecu to an 87-88 mustang
What the problem i have is that the diagram of the pinouts don't show clearly where the extra injectors or the maf wires go.

I have a 90 e4od truck. What column shows where the maf wires go for my application. Is it the 94-95 column I look at....because that's the only column that shows 8injector outputs and maf wires. How about you assist in helping instead of saying I Need more research. This project is cake if I had a diagram.
For a 1990 Speed Density truck like yours you would reference the 5th column over from the left, it's labeled "87-95 302/351 Truck/Van/Bronco Speed Density". Now that you are wanting to use a later model truck PCm that supports MAF you need to reference the 6th column over from the left, it's labeled "94-95 302/351 Truck/Van/Bronco Mass Air". Columns 8 and 9 from the left are the additional wires needed for Speed Density/MAF (respectively) trucks with a E4OD transmission.

As far as diagrams go here is one for 86-95 302/351 Speed Density trucks:

stolen from FordFuelInjection.com



Here is one for 94-95 302/351 Mass Air trucks:

stolen from FordFuelInjection.com
 
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Old Nov 5, 2011 | 11:51 AM
  #18  
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Thanks. I appreciate the clarification. I had asked in post 7 if I copied the 94-95 diagram or not.
Having the forum definately helps.
My contact I use to have at the dealership retired and I can't get diagrams anymore. I use to have tons of printouts until I moved last year.
 
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Old Dec 27, 2013 | 09:52 PM
  #19  
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Originally Posted by Blurry94
Only downfall to using a 2wd ECU (with an electronic transmission) on a 4wd rig is that you wont be able to utilize 4-low.
I know I am digging up an old thread but had to ask a question. Is that due to lack of programming or hardware. I am planning a MAF conversion in a month or so and came across an AKC0 for a wicked deal that I couldn't pass up and we all know how hard E4OD compatible PCMS are to find but found that out after the fact
 
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Old Dec 27, 2013 | 10:01 PM
  #20  
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I use 4lo with my Mustang A9P mass air setup.
 
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Old Dec 27, 2013 | 10:40 PM
  #21  
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Originally Posted by timbersteel
I use 4lo with my Mustang A9P mass air setup.
That's because the computer is not controlling the transmission.

When a computer controlled trans like the E4OD is in the mix and the computer depends on vehicle speed input for shift points, if it doesn't know about the presence of a T-case it gets the trans shift points all F'd up when that t-case is in 4-low.
 
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Old Dec 27, 2013 | 11:08 PM
  #22  
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Ahh..I should have read more of the post. Thanks for the explanation Paul.
 
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