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Old 05-06-2007, 03:49 PM   #1
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Question A9L EEC ?

I am thinking of putting a 9AL ECM in my 5.0. Does it really make that much differents? Need input
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Old 05-06-2007, 04:00 PM   #2
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Its just a stock mustang computer/ECM for a 5.0, 5 speed. Whats your setup now???
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Old 05-06-2007, 04:13 PM   #3
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I have a stock ECM with SCT Chip some body told me 9AL is better I was just wondering what was better about it
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Old 05-06-2007, 04:19 PM   #4
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What ECM do you have now? What year is the car?what type of motor ,trans did your car come with?
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Old 05-06-2007, 04:20 PM   #5
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There are a lot of people who don't fully understand the differences between ecu's, but are more than willing to say that the A9L is the only one that should ever be used.

Was the SCT chip created for your current combo?
What ecu are you currently using?

What are the future goals, and what is your current setup?

There are some minor timing differences between the A9L and A9P, as well as fuel differences.

None of the differences, that I have found, will provide a performance advantage in either computer.

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Old 05-06-2007, 05:23 PM   #6
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Quote:
Originally Posted by vristang View Post
There are a lot of people who don't fully understand the differences between ecu's, but are more than willing to say that the A9L is the only one that should ever be used.

Was the SCT chip created for your current combo?
What ecu are you currently using?

What are the future goals, and what is your current setup?

There are some minor timing differences between the A9L and A9P, as well as fuel differences.

None of the differences, that I have found, will provide a performance advantage in either computer.

jason

I have my chip out at the moment It's SCT 4 band I have to look to see what the number of my ECU . RPM dyno tune my last motor told me he was putting in 9AL but It is not and he does not have my old ECU my set now

347 dart block, 185 AFR, comp 282xe, holley intake, 70 mm throttle body,80mm pro-m, Hi crane 6, stock ecu
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Old 05-06-2007, 09:06 PM   #7
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Can you please type in complete sentences?
Not trying to be rude, but I am having a hard time keeping up.

As far as I know, there is no such thing as 9AL, so an A9L is most likely being discussed.

So your old setup had a dyno tune.
Now, the combo you have listed is in the car running on the factory ecu?
But you aren't sure what ECU that is, yet?

Either an A9L or A9P will work just fine in your application.
But there are other ecu's that will work just as well.

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Old 05-06-2007, 09:38 PM   #8
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Quote:
Originally Posted by vristang View Post
Can you please type in complete sentences?
Not trying to be rude, but I am having a hard time keeping up.

As far as I know, there is no such thing as 9AL, so an A9L is most likely being discussed.

So your old setup had a dyno tune.
Now, the combo you have listed is in the car running on the factory ecu?
But you aren't sure what ECU that is, yet?

Either an A9L or A9P will work just fine in your application.
But there are other ecu's that will work just as well.

jason
Yes I am running on factory ecu for now. I need to put more miles on my new motor before I have it tune again. I was told that A9L is a better ECU. I still have to check which ECU I have now. Sorry about my retardness writing wasn't my best subjects.
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Old 05-06-2007, 09:45 PM   #9
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No problem.

Unless someone stuck a 'batch fire' ecu in your car, you won't realize any performance gains by swapping out your ecu.

Most of the MAF / 5.0 ecu's are very similar in calibration.

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Old 05-10-2007, 06:49 PM   #10
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Jason My Ecm numbers are E9AF14A624AA GTE

What is a batch fire
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Old 05-11-2007, 01:28 AM   #11
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That was an attempt at being funny, but nerds are seldom funny...
Batch fire was used mostly in trucks. All 4 injectors on a bank were fired at the same time. Or maybe it wasn't split by bank? Regardless, the injectors were fired in groups instead of when each intake valve opened.


The only thing I can get out of the number you posted is the year of the part
E9 = 1989
Google may be able to help you match that number to a 'Catch Code'...

The catch code should be on the Ford sticker though...


jason
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Old 05-11-2007, 01:48 AM   #12
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Quote:
Originally Posted by vristang View Post
That was an attempt at being funny, but nerds are seldom funny...
Batch fire was used mostly in trucks. All 4 injectors on a bank were fired at the same time. Or maybe it wasn't split by bank? Regardless, the injectors were fired in groups instead of when each intake valve opened.


The only thing I can get out of the number you posted is the year of the part
E9 = 1989
Google may be able to help you match that number to a 'Catch Code'...

The catch code should be on the Ford sticker though...


jason
these are the only numbers on it 680ECM
ISO-9001:2000
9001 1001
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Old 05-12-2007, 11:16 AM   #13
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IF anyone can give a little more info would be appreciated I did a search, went to a Ford dealer no luck there either. If not thanks for the help so far
Jeff

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Old 05-12-2007, 12:12 PM   #14
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IMPORTANT INFO NEEDED!!!

Quote:
Originally Posted by yogibear357 View Post
Anyone can give a little more info I dad a seach went to a Ford dealer no luck there eirther. If not thanks for the help so far
Jeff
what year/model vehicle are you talking about? are you using the original computer?
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Old 05-12-2007, 12:28 PM   #15
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1988 mustang 5speed LX 5.0. with Mass air
This guy that dyno tune my car said he put in a A9L it's not. Here is what I come up with for numbers on my new computer

680 ECM
ISO-9001:2000
9001 1001
E9AF 14A624 AA
GTE
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Old 05-12-2007, 05:00 PM   #16
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680 ECM
ISO-9001:2000
9001 1001
E9AF 14A624 AA
GTE

I found out what computor I have. It is a 1990 F-350 Ford dump 5spd 460 eng EFI one ton.
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