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Discussion Starter · #1 ·
Looking for information on compatibility with the A9P mustang Computer and a 351W. What will i need to do to make this work?
 

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aka: kemicalburns
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if you have a C6 the swap requires repinning the harness to match the ecu. and of course rewiring your injectors and spark plug wires to match the firing order. vacuum line to the Map sensor will need unplugged. I think thats it or something along these lines.
 

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Charlie don't surf..
'92 Ford Bronco XLT
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16,141 Posts
if you don't want to screw around with the repinning, you could order the harness overlay from fiveology and call it a day.
 

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Discussion Starter · #4 ·
I have an AOD with a TV cable. So trans not the issue. I dont mind the extra work to save $700. Just want to make sure the mustang 5.0 A9P computer will be compatible with my rebuilt 5.8 roller.
 

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Charlie don't surf..
'92 Ford Bronco XLT
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16,141 Posts
I have an AOD with a TV cable. So trans not the issue. I dont mind the extra work to save $700. Just want to make sure the mustang 5.0 A9P computer will be compatible with my rebuilt 5.8 roller.
Yes, the A9P will run the 5.8 just fine to a point. That's because the MAF EEC is somewhat adaptive. However, if you have any major mods or are planning on them, i.e. heads, cam, intake, etc. For that you would want to run a tuner such as a quarter horse or a Tweecer.
 

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Discussion Starter · #6 ·
Yes, the A9P will run the 5.8 just fine to a point. That's because the MAF EEC is somewhat adaptive. However, if you have any major mods or are planning on them, i.e. heads, cam, intake, etc. For that you would want to run a tuner such as a quarter horse or a Tweecer.
Will the tuner still require the computer? Can I just eliminate the computer and run a tuner?
 

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Charlie don't surf..
'92 Ford Bronco XLT
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16,141 Posts
Yes, you'll still need the computer for the tuner to work. The tuner itself (I have a tweecer), plugs into the j3 port on the back of the EEC and enables the tuner software to tune the EEC. Keep in mind the tuner is not actually reflashing the EEC it's essentially laying the tune over the factory values. With the tweecer, I can shut the tuner off and it will revert back to the factory EEC settings.
 

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Discussion Starter · #8 ·
Yes, you'll still need the computer for the tuner to work. The tuner itself (I have a tweecer), plugs into the j3 port on the back of the EEC and enables the tuner software to tune the EEC. Keep in mind the tuner is not actually reflashing the EEC it's essentially laying the tune over the factory values. With the tweecer, I can shut the tuner off and it will revert back to the factory EEC settings.
Do you think this is all worth it or should I just do a carb setup and call it a day? I would like to do heads and a mild cam while doing this build so I'm not sure how it is all going to work with the eec.
 

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Charlie don't surf..
'92 Ford Bronco XLT
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16,141 Posts
I'm personally a fan of fuel injection. much more reliable, and once you've got the hang of it, it's relatively easy to work on..The Ford system really isn't overly complex.

I like the ability of being able to tune and you can really only get that with the MAF setup..Having said that, there are some guys here who are running speed density with mild heads and cams..can't recall who off the top of my head, but you can probably find them if you search around a bit. I will say, the great thing about the tuner is it allows for pretty much infinite adjustability of a wide range of parameters. You just have to decide what's most important to you..Check out the MAF tuning section for more info..
 

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Ford Hoarder
78 & 92
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Personal Opinion here
I have went the route or converting to Mustang Based MAF in my 92 with a C6 (swapped from E4OD) Similair to AOD setup you will have.
I went with the 3881 intake, 38lb injectors (only thing stock is block & crank), pro-m maf, etc... It runs and runs well. However If I was doing that build again, today. Id go to a carb manifold and run something like a Sniper. I just put one on my 78 and am very much a fan. If you doing anything more then near stock perfomance install, I would at least look into the sniper / super sniper. Very likely get near same performance/driveability at about 1/2 the price of doing it the MAF swap route.
 
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