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RAM TRX - TRX-Forum.com
Bronco Raptor - BroncoRaptorForum.com
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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="FordTechOne" data-source="post: 1568321" data-attributes="member: 35543"><p>You can't objectively compare the 3.5 EcoBoost in the Raptor to the 5.7 RAM; they are two completely different applications. The Raptor's increased ride height, 35" All-Terrain tires, lack of a air dams, and 4.10 gears all reduce fuel economy significantly compared with a standard F-150 or RAM. Hence why the fuel economy of a standard 4x4 F-150 3.5 is 16/22/18 while the Raptor is 15/18/16. It's not the engine that makes it less efficient, it's the application. The RAM 5.7 4x4 manages 15/21 in a standard truck, which is the same as the Raptor gets in the city and only 3 MPG more on the highway. That engine in a Raptor or TRX wouldn't be far off from the TRX's ratings; the EPA test procedure is not aggressive enough build boost on the 6.2.</p><p></p><p>Your proposal of using a V8 to get 560 lb-ft of torque in the Gen 3 would put it within the same fuel economy range as the TRX. The new PowerBoost is a likely option for the Gen 3, and of course there are rumors of the 5.2 Predator, which would match or exceed TRX on power and most likely exceed it in fuel economy due to the aluminum body and IWE system.</p></blockquote><p></p>
[QUOTE="FordTechOne, post: 1568321, member: 35543"] You can't objectively compare the 3.5 EcoBoost in the Raptor to the 5.7 RAM; they are two completely different applications. The Raptor's increased ride height, 35" All-Terrain tires, lack of a air dams, and 4.10 gears all reduce fuel economy significantly compared with a standard F-150 or RAM. Hence why the fuel economy of a standard 4x4 F-150 3.5 is 16/22/18 while the Raptor is 15/18/16. It's not the engine that makes it less efficient, it's the application. The RAM 5.7 4x4 manages 15/21 in a standard truck, which is the same as the Raptor gets in the city and only 3 MPG more on the highway. That engine in a Raptor or TRX wouldn't be far off from the TRX's ratings; the EPA test procedure is not aggressive enough build boost on the 6.2. Your proposal of using a V8 to get 560 lb-ft of torque in the Gen 3 would put it within the same fuel economy range as the TRX. The new PowerBoost is a likely option for the Gen 3, and of course there are rumors of the 5.2 Predator, which would match or exceed TRX on power and most likely exceed it in fuel economy due to the aluminum body and IWE system. [/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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