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Credo · 04-20-2007, 07:38 PM

Yes, you can use the same eec from a 90' mustang as long as the motor in the 90' is an H.O. motor. If the motor in the 90' is not an H.O. the firing order is off. I had my car dyno-tuned with a twEECer. I would recomend spending the $500 on dyno-tuning and getting a custom burned chip it will make all the difference in the world on how the car runs!If you dont have a dyno-tunedcar you might be dissapointed with the performance of the car.In other worlds budget the $500 for dyno-tuning into your budget. I didnt even try to start the motor without new parameters on the EEC because of the supercharger and methonal injection. If efi was cheap everybody would be doing it!

04-20-2007, 07:38 PM	#19
Credo Join Date: Jul 2006 Posts: 5	RE: 5.8 conversion Yes, you can use the same eec from a 90' mustang as long as the motor in the 90' is an H.O. motor. If the motor in the 90' is not an H.O. the firing order is off. I had my car dyno-tuned with a twEECer. I would recomend spending the $500 on dyno-tuning and getting a custom burned chip it will make all the difference in the world on how the car runs!If you dont have a dyno-tunedcar you might be dissapointed with the performance of the car.In other worlds budget the $500 for dyno-tuning into your budget. I didnt even try to start the motor without new parameters on the EEC because of the supercharger and methonal injection. If efi was cheap everybody would be doing it!