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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Cylinder #8 fail... rebuild suggestions?
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<blockquote data-quote="GNBRETT" data-source="post: 16521351" data-attributes="member: 111882"><p>The #8 intake port on the Coyote lacks a water jacket so it's this cylinder that tends to run hotter than all the other cylinders. </p><p></p><p>The cylinder head temp sensor is also on the passenger side near #4 cylinder which doesn't pick up the temperature increase on the #8 cylinder therefore the computer doesnt see a problem and therefore doesn't correct with either pulling timing or adding fuel.</p><p></p><p>A good tuner will know this and tune around it. And as far as blow-by goes dont worry about it. Coyote motor's are known to have lots of blow-by which is why u need a breather. FatFab sells a combo battery/Breather set up.</p><p></p><p>I have a fully build Sleeved Pro Mod Coyote motor built by MMR and I have had lots of blow-by for almost 4 years now. Means nothing! And Shaun at AED is a great choice! Dude is brilliant!</p></blockquote><p></p>
[QUOTE="GNBRETT, post: 16521351, member: 111882"] The #8 intake port on the Coyote lacks a water jacket so it's this cylinder that tends to run hotter than all the other cylinders. The cylinder head temp sensor is also on the passenger side near #4 cylinder which doesn't pick up the temperature increase on the #8 cylinder therefore the computer doesnt see a problem and therefore doesn't correct with either pulling timing or adding fuel. A good tuner will know this and tune around it. And as far as blow-by goes dont worry about it. Coyote motor's are known to have lots of blow-by which is why u need a breather. FatFab sells a combo battery/Breather set up. I have a fully build Sleeved Pro Mod Coyote motor built by MMR and I have had lots of blow-by for almost 4 years now. Means nothing! And Shaun at AED is a great choice! Dude is brilliant! [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Cylinder #8 fail... rebuild suggestions?
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