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Coyote Series Engines
15:1 compression Coyote Pistons
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<blockquote data-quote="twistedneck" data-source="post: 14231939" data-attributes="member: 130159"><p>I assume detonation would be a big problem at that dynamic combustion pressure 15:1 + N20. if you are using the ultimate race fuel, and then have spectacular knock sensing like the 17:1 compression ratio Toyota LMP1 car that has a pressure sensor in each combustion chamber then you could pull it off. i would not trust the ford computer to pull timing quickly enough.</p><p></p><p>the rumor mill says some of the F1 pistons have steel inserts for the ring lands - you might want to call Mahle. If you only hit the button at high rpm you might be ok due to the lower pressures. we have a square motor, so with all of that stroke and small piston area the pressures will be high.. less ring area, smaller combustion chamber. for sure you need to do something about the head sealing, and you might need a giant exhaust valve and spring to overcome the pressure.</p></blockquote><p></p>
[QUOTE="twistedneck, post: 14231939, member: 130159"] I assume detonation would be a big problem at that dynamic combustion pressure 15:1 + N20. if you are using the ultimate race fuel, and then have spectacular knock sensing like the 17:1 compression ratio Toyota LMP1 car that has a pressure sensor in each combustion chamber then you could pull it off. i would not trust the ford computer to pull timing quickly enough. the rumor mill says some of the F1 pistons have steel inserts for the ring lands - you might want to call Mahle. If you only hit the button at high rpm you might be ok due to the lower pressures. we have a square motor, so with all of that stroke and small piston area the pressures will be high.. less ring area, smaller combustion chamber. for sure you need to do something about the head sealing, and you might need a giant exhaust valve and spring to overcome the pressure. [/QUOTE]
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15:1 compression Coyote Pistons
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