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Computer question

  • Thread starter Thread starter gregandmike
  • Start date Start date Sep 22, 2009
G

gregandmike

New Member
Sep 22, 2009
20
0
1
massachusetts
Sep 22, 2009
#1
  • Sep 22, 2009
  • #1
I have a 1987 mustang lx,5.0 HO with a five speed. I have two computers that came with the car one that is a A9P and a DA1. Which is the correct or best computer for my setup ? Thanks.....
 

liljoe07

5 Year Member
Feb 18, 2009
1,622
363
124
Cartersville,Ga
Sep 22, 2009
#2
  • Sep 22, 2009
  • #2
The DA1 is a Speed Density 5 speed ECM for your year car. A9P is a Mass Air ECM for Auto setups in the 89-93 cars
 

Jaym14

New Member
Jan 26, 2009
296
1
0
Long Island, N.Y.
Sep 22, 2009
#3
  • Sep 22, 2009
  • #3
double check to see if your car has been swapped to mass air
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,169
17,862
224
Massachusetts
Sep 22, 2009
#4
  • Sep 22, 2009
  • #4
DA1 if it's still speed density

A9L if it's been converted to mass air
 
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