A9L vs A3M - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 3 Old 04-12-2009, 11:58 PM Thread Starter
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A9L vs A3M

hey guys just wondering if anyone knows if there's a big difference between these 2 ecm's, i have a 93 notch with a turbo and H/C/I and have been havin a hell of a time with tuning. the A3M is the one i'm using but just wanted to know if the A9L is better in any way. thanks

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post #2 of 3 Old 04-13-2009, 01:48 AM
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not really man they run the same timing and fuel curves the only thing different is that the a3m has the parameters for the check engine light a lil diff then the a9l


i use an a9l in my 289 powered 94 mustang

and an a3m in a 91 coupe tuning them is the same
i been using the quarter horse to tune


Lookin for Coolant tank 96-04 don't matter the year let me know if u have one
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post #3 of 3 Old 04-13-2009, 02:39 PM Thread Starter
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thanks man, i just wanted to rule that out as a problem. the snow is gone so its just about time to take the car out again
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