MustangWorks.com : Ford Forums - View Single Post

mudchucker · 04-06-2004, 03:37 PM

Ok here is what i have. I am running a 5.0 from a 1990 lincoln town car and i have been wanting to upgrade the ECM unit to a Mustang one. I got one from a 1988 Mustang with speed density (which is what i have on my motor as well) and when i plug in the ECM it runs and idles, but it does not run good at all. I was talking with a guy i kow about it, and he said it is because the firing order on the Mustangs is different than my engine. I thought i just had to left the computer learn about the car. Can anyone help me with this?

04-06-2004, 03:37 PM	#1
mudchucker Registered Member Join Date: Mar 2004 Posts: 73	ECM help Ok here is what i have. I am running a 5.0 from a 1990 lincoln town car and i have been wanting to upgrade the ECM unit to a Mustang one. I got one from a 1988 Mustang with speed density (which is what i have on my motor as well) and when i plug in the ECM it runs and idles, but it does not run good at all. I was talking with a guy i kow about it, and he said it is because the firing order on the Mustangs is different than my engine. I thought i just had to left the computer learn about the car. Can anyone help me with this?