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Old 09-06-2006, 04:51 AM
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which ecm do i need?

I'm planing on running mass air efi on my streetrod and need to know which factory ford ecm would be best for the job the car is fitted with a 302 and C4 auto. I've heard that the A9L ecm is the one to use, but this is for the manual 5 speed, will this work with the auto or should I chase an auto ecm and if so what is the code number that I should be looking for?
Thanks, Brian.

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Old 09-06-2006, 09:32 AM
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you will find most everything you need to know here
http://fordfuelinjection.com/?p=5
I know I learned a lot from it. Now I need to go finish putting the disk
brakes on the Pony so I can try out the new intake.
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Old 09-06-2006, 06:32 PM
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That's a great site for information on Ford EFI.

I'll add that the A9L ECM is a family of ECMs.

http://fordfuelinjection.com/index.php?p=17

I'm using the A3M on my Ranger conversion. Get Mustang stuff if you can for the conversion as there is tons of info and help available and any 89 to 93 ECM will be in the A9L fanily.

That is really important if you plan on using a tuner and alter the MAF curves, etc. The tuners are not compatible with every ECM.
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Old 09-07-2006, 03:20 AM
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Thank's Guys looks like most the stuff I was looking for was on that web site.
Cheers, Brian.
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