Welcome Visitor! Please take a few seconds and brentmc
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I've been told I have to swap ecm's. Soooo can someone explain to me why the ecm from a V6 will not work in a V8. Here are the reasons I'm asking....
1. It looks like my v6 is a batch fire (similar to a SD system but with a maf) and not the SFI (California).
2. I've heard you can use a 5.0 ecm from a mustang on a 5.8 for the most part without isses. But, I've read from other posts that you will run the engine in a lean condition and it's possible to do damage to the engine(opinions vary). I did some rough math on cyclinder volumes vs the 4.0, 5.0, and 5.8. The 4.0 has 666cc's per cyclinder the 5.0 has 625cc's and the 5.8 has 725cc's per cyclinder. Besides won't the o2 sensor compensate for the fuel curves?
3. The pin outs on the ecm from the 5.8SD to the 4.0 batch fire maf are next to identical. The only real difference I can see is the firing order of the injectors and the extra 2 injectors. If I just add/splice my harness to the stock setup what do you think will happen?
4. I dont like following the masses. I'm planning on running a truck intake on it too. I already have a 3 inch body lift. I've been looking into cowl inducted his too.
Heck if it doesn't work. What's the worst thing that could happen? I'll just have to start over again.
1. It looks like my v6 is a batch fire (similar to a SD system but with a maf) and not the SFI (California).
2. I've heard you can use a 5.0 ecm from a mustang on a 5.8 for the most part without isses. But, I've read from other posts that you will run the engine in a lean condition and it's possible to do damage to the engine(opinions vary). I did some rough math on cyclinder volumes vs the 4.0, 5.0, and 5.8. The 4.0 has 666cc's per cyclinder the 5.0 has 625cc's and the 5.8 has 725cc's per cyclinder. Besides won't the o2 sensor compensate for the fuel curves?
3. The pin outs on the ecm from the 5.8SD to the 4.0 batch fire maf are next to identical. The only real difference I can see is the firing order of the injectors and the extra 2 injectors. If I just add/splice my harness to the stock setup what do you think will happen?
4. I dont like following the masses. I'm planning on running a truck intake on it too. I already have a 3 inch body lift. I've been looking into cowl inducted his too.
Heck if it doesn't work. What's the worst thing that could happen? I'll just have to start over again.
