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GEN 3 (2021+) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Will it be faster than a TRX???
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<blockquote data-quote="codeman" data-source="post: 1568617" data-attributes="member: 45090"><p>Very true as well; it's under load where the two engines will see similar fuel economy with similar power output. I agree, if you're careful / have a light foot then the 3.5L turbo or non turbo is going to use less fuel. </p><p></p><p>The problem is most of these turbo engines aren't super efficient with the usage of the turbos, and manufacturers end up giving misleading MPG estimates. As soon as you load up the engine enough to require increased boost pressure, the air/fuel mixture becomes no different than a larger displacement NA engine. There's some really interesting information out there on exhaust gas re-circulation, and intake mixing to help optimize ideal air to fuel ratios which a lot of existing smaller displacement turbo engines don't get "quite right" which is why outside of being careful with your throttle management, as soon as you "goose it" a little, you lose if not worsen fuel economy even versus a larger displacement V8 with more immediate torque available off the line, which keeps RPMs down and hence overall requires less fuel etc. etc. Anyways! haha <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> I find that stuff interesting myself. </p><p></p><p>I can't find as much information available on the EcoBoost (and this is my first with the new Raptor now), but definitely good to hear it's seemingly a better designed / more efficient engine</p></blockquote><p></p>
[QUOTE="codeman, post: 1568617, member: 45090"] Very true as well; it's under load where the two engines will see similar fuel economy with similar power output. I agree, if you're careful / have a light foot then the 3.5L turbo or non turbo is going to use less fuel. The problem is most of these turbo engines aren't super efficient with the usage of the turbos, and manufacturers end up giving misleading MPG estimates. As soon as you load up the engine enough to require increased boost pressure, the air/fuel mixture becomes no different than a larger displacement NA engine. There's some really interesting information out there on exhaust gas re-circulation, and intake mixing to help optimize ideal air to fuel ratios which a lot of existing smaller displacement turbo engines don't get "quite right" which is why outside of being careful with your throttle management, as soon as you "goose it" a little, you lose if not worsen fuel economy even versus a larger displacement V8 with more immediate torque available off the line, which keeps RPMs down and hence overall requires less fuel etc. etc. Anyways! haha :) I find that stuff interesting myself. I can't find as much information available on the EcoBoost (and this is my first with the new Raptor now), but definitely good to hear it's seemingly a better designed / more efficient engine [/QUOTE]
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GEN 3 (2021+) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Will it be faster than a TRX???
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