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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
17.4 MPH
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<blockquote data-quote="EricM" data-source="post: 1759594" data-attributes="member: 20286"><p>It takes a certain amount of energy to move 6000 lbs of truck around. </p><p></p><p>The V6 is mainly more efficient at low engine loads because it has 2 less cylinder ring packs dragging on the cylinder walls. </p><p></p><p>When you are accelerating, going up a decent grade, and the engine load far outweighs the drag from those 2 sets of rings, then as you said- not much difference really. </p><p></p><p>Given the huge tires on these trucks, there's just not much time when you are at low load, other than idling. Once the Gen 2 guys start putting aftermarket tires on in place the the featherweight OEM BFGs, they'll see the heavier tire with less efficient tread pattern drag their mileage down a lot since they will be spending even less time in that low engine load range.</p></blockquote><p></p>
[QUOTE="EricM, post: 1759594, member: 20286"] It takes a certain amount of energy to move 6000 lbs of truck around. The V6 is mainly more efficient at low engine loads because it has 2 less cylinder ring packs dragging on the cylinder walls. When you are accelerating, going up a decent grade, and the engine load far outweighs the drag from those 2 sets of rings, then as you said- not much difference really. Given the huge tires on these trucks, there's just not much time when you are at low load, other than idling. Once the Gen 2 guys start putting aftermarket tires on in place the the featherweight OEM BFGs, they'll see the heavier tire with less efficient tread pattern drag their mileage down a lot since they will be spending even less time in that low engine load range. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
17.4 MPH
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