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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
I sipped the AED koolaid, I'm a happy camper!
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<blockquote data-quote="Bowtie-X" data-source="post: 12399228" data-attributes="member: 139360"><p>So obviously my car is calibrated from factory to go stoich on WOT since my logs show that the ECM is commanding 1(14.1 for e10). What I don't get is, why are</p><p>only "some" coyotes seeing this? Supposedly, some people's are seeing the "normal factory" low to mid 12 AFR all day with no issue according to some of the replys I was getting on one of my threads that I started a while back regarding stoich WOT AFR. Or, those guys didnt know WTH they was talking about and every copperhead is programmed to command stoich on WOT?</p><p></p><p>Looking through more posts made by Shawn in this issue, it look as tho WOT stoich AFR is a purpose filled strategy by ford to have a better torque curve at higher RPM but the lean condition is protected via COT protection which dumps fuel to cool off the cats. Supposedly there are more reason to why ford decided to go this route. </p><p></p><p>So another question is this. Is this really normal and expected? Again, purposely tuned this way by ford? It's really hard to wrap this around my head and believe that ford really programmed stoich on WOT.</p><p></p><p>Does anyone know if procal fix this WOT stoich issue or does anyone know what AFR their ECM is now commanding on WOT after procal?</p><p></p><p>I'm glad I talk to Shawn:beer:, or I would of still been listening to some of these supposedly know it all guys and still thinking my track app had a glitch LOL:bash:</p></blockquote><p></p>
[QUOTE="Bowtie-X, post: 12399228, member: 139360"] So obviously my car is calibrated from factory to go stoich on WOT since my logs show that the ECM is commanding 1(14.1 for e10). What I don't get is, why are only "some" coyotes seeing this? Supposedly, some people's are seeing the "normal factory" low to mid 12 AFR all day with no issue according to some of the replys I was getting on one of my threads that I started a while back regarding stoich WOT AFR. Or, those guys didnt know WTH they was talking about and every copperhead is programmed to command stoich on WOT? Looking through more posts made by Shawn in this issue, it look as tho WOT stoich AFR is a purpose filled strategy by ford to have a better torque curve at higher RPM but the lean condition is protected via COT protection which dumps fuel to cool off the cats. Supposedly there are more reason to why ford decided to go this route. So another question is this. Is this really normal and expected? Again, purposely tuned this way by ford? It's really hard to wrap this around my head and believe that ford really programmed stoich on WOT. Does anyone know if procal fix this WOT stoich issue or does anyone know what AFR their ECM is now commanding on WOT after procal? I'm glad I talk to Shawn:beer:, or I would of still been listening to some of these supposedly know it all guys and still thinking my track app had a glitch LOL:bash: [/QUOTE]
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2011-2014 Mustangs
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I sipped the AED koolaid, I'm a happy camper!
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