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Thread: LFX History

  1. #1
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    LFX History

    LFX

    The LFX is an enhanced version of the LLT engine. Introduced in the MY2012 Chevrolet Camaro LS, it is 20.5 pounds (9.3 kg) lighter than the LLT, due to a redesigned cylinder head and integrated exhaust manifold, and composite intake manifold. Other components like the fuel injectors, intake valves, and fuel pump have also been updated. Power and torque are up slightly from the LLT. The compression ratio is 11.5:1. The LFX also features E85 flex-fuel capability.
    Applications:
    Year(s) Model Power Torque Dyno Chart
    2012–2016 Buick LaCrosse 303 hp (226 kW) @ 6800 rpm 264 lb·ft (358 N·m) @ 5300 rpm link
    2013–2015 Cadillac ATS 321 hp (239 kW) @ 6800 rpm 274 lb·ft (371 N·m) @ 4800 rpm link
    2012–2014 Cadillac CTS
    (2014 Wagon & Coupe only)
    318 hp (237 kW) @ 6800 rpm 275 lb·ft (373 N·m) @ 4900 rpm link
    2014–2015 Cadillac CTS
    (2014 Sedan only)
    321 hp (239 kW) @ 6800 rpm 275 lb·ft (373 N·m) @ 4900 rpm link
    2012–2016 Cadillac SRX 308 hp (230 kW) @ 6800 rpm 265 lb·ft (359 N·m) @ 2400 rpm link
    2013–present Cadillac XTS 304 hp (227 kW) @ 6800 rpm 264 lb·ft (358 N·m) @ 5200 rpm link
    2012–2015 Chevrolet Camaro 323 hp (241 kW) @ 6800 rpm 278 lb·ft (377 N·m) @ 4800 rpm link
    2012–2017 Chevrolet Caprice PPV 301 hp (224 kW) @ 6700 rpm 265 lb·ft (359 N·m) @ 4800 rpm link
    2015–present Chevrolet Colorado 305 hp (227 kW) @ 6800 rpm 269 lb·ft (365 N·m) @ 4000 rpm link
    GMC Canyon link
    2013–present Chevrolet Equinox 301 hp (224 kW) @ 6500 rpm 272 lb·ft (369 N·m) @ 4800 rpm link
    2012–2013 Chevrolet Impala 302 hp (225 kW) @ 6500 rpm 262 lb·ft (355 N·m) @ 5300 rpm
    2014–present Chevrolet Impala 305 hp (227 kW) @ 6500 rpm 262 lb·ft (355 N·m) @ 5200 rpm link
    2013–present GMC Terrain 301 hp (224 kW) @ 6500 rpm 272 lb·ft (369 N·m) @ 4800 rpm link
    2011–2017 Holden Caprice WM II (MY 2012) 281 hp (210 kW) @ 6700 rpm 258 lb·ft (350 N·m) @ 2800 rpm
    2011–2013 Holden Commodore VE II (MY 2012) 281 hp (210 kW) @ 6700 rpm 258 lb·ft (350 N·m) @ 2800 rpm
    2013–2017 Holden Commodore VF 281 hp (210 kW) @ 6700 rpm 258 lb·ft (350 N·m) @ 2800 rpm


    Credit - https://en.wikipedia.org/wiki/GM_High_Feature_engine

  2. #2
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    And one wonders why this engine is an animal.. 11.5:1 compression ratio!! .. That is one nasty little V6 folks.. to be proud of.

  3. #3
    Moderator Alloyhead427's Avatar
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    There are somethings I am not use to like the integral exhaust. The last integral six cylinder we had ended up in a dumpster.
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    Quote Originally Posted by Alloyhead427 View Post
    There are somethings I am not use to like the integral exhaust. The last integral six cylinder we had ended up in a dumpster.
    LOL..
    2010 1SS LS3, Black, Kooks Stepped Headers, Magnaflow Mufflers, Cold Air Industries CAI, Apex Scoop & Windshield Washer Relocate, SLP Wheels, Skip Shift Eliminate, Tuned by RDP MotorSports aka DynoSteve

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