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Discussion Starter #1
I have the a3m in my 93 lx. I've heard that the a9L takes to mods very well to a certain point. I have Trickflow heads,intake, cam, 24lb.inj. and a c&l mass air meeter. Car runs o.k. but I'm sure it would run better with a tune, just don't have the $$ now for that. Would putting an a9l in it help at all or should I not waste my money on one? Thanks
 

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Its essentially the same thing. I don't think there are any differences between them.
 

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It won't make any difference
 

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Ford Fuel Injection » EEC Program Codes


A9L 5.0 89-93 Mustang MAF / Manual
A3M 5.0 89-93 Mustang MAF / Manual
A3M1 5.0 89-93 Mustang MAF / Manual
S0Z 5.0 89-93 Mustang MAF / Manual
D3D 5.0 89-93 Mustang MAF / Manual
D3D1 5.0 89-93 Mustang MAF / Manual
A9M 5.0 89-93 Mustang MAF / Auto
A9P 5.0 89-93 Mustang MAF / Auto
C3W 5.0 89-93 Mustang MAF / Auto
C3W1 5.0 89-93 Mustang MAF / Auto
A9T 5.0 89-93 Mustang MAF / Auto
A9S 5.0 88-93 CA Mustang MAF / Manual
8LD 5.0 88-93 CA Mustang MAF / Manual
8LF 5.0 88-93 CA Mustang MAF / Auto
8LG 5.0 88-93 CA Mustang MAF / Auto
DA1 5.0 87 Mustang SD-SFI / Manual
DB1 5.0 87 Mustang SD-SFI / Manual
DC 5.0 Mustang SD-SFI / Auto
DE 5.0 Mustang SD-SFI / Auto
GJ1 5.0 Mustang
VH2 5.0 86 Mustang SD-SFI
 
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buy a good mass air meter and then get the timing set right. 16-18* is probably where youll end up, but if the mass air is off then you cant run enough timing to really wake it up. an adjustable fuel regulator probably wouldnt hurt either, so you can bump the FP up a little.
 

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Or just do it the right way and get a tune...
 

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1992 Mustang LX, working on 2.3 to 5.0 swap
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@87FOX50 I've been looking for this list, thank you for posting!

Ford Fuel Injection » EEC Program Codes


A9L 5.0 89-93 Mustang MAF / Manual
A3M 5.0 89-93 Mustang MAF / Manual
A3M1 5.0 89-93 Mustang MAF / Manual
S0Z 5.0 89-93 Mustang MAF / Manual
D3D 5.0 89-93 Mustang MAF / Manual
D3D1 5.0 89-93 Mustang MAF / Manual
A9M 5.0 89-93 Mustang MAF / Auto
A9P 5.0 89-93 Mustang MAF / Auto
C3W 5.0 89-93 Mustang MAF / Auto
C3W1 5.0 89-93 Mustang MAF / Auto
A9T 5.0 89-93 Mustang MAF / Auto
A9S 5.0 88-93 CA Mustang MAF / Manual
8LD 5.0 88-93 CA Mustang MAF / Manual
8LF 5.0 88-93 CA Mustang MAF / Auto
8LG 5.0 88-93 CA Mustang MAF / Auto
DA1 5.0 87 Mustang SD-SFI / Manual
DB1 5.0 87 Mustang SD-SFI / Manual
DC 5.0 Mustang SD-SFI / Auto
DE 5.0 Mustang SD-SFI / Auto
GJ1 5.0 Mustang
VH2 5.0 86 Mustang SD-SFI
 

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