LLT or LFX - ModernCamaro.com - 5th Generation Camaro Enthusiasts
V6 Engine Discussion 3.6L LLT V6 | Exhaust | Ignition | Induction | Intakes

 
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post #1 of 6 Old 11-02-2012, 07:19 PM Thread Starter
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Question LLT or LFX

I drive a 2012 V-6 Camaro with the 2LT package & Convertible. What do I have a LLT or LFX? + what do each stand for? Michael in Virginia

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post #2 of 6 Old 11-02-2012, 07:31 PM
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Should have the LFX as the 2012.....

2011 White Convertible 1LT IOM, Full JDM Colorshift Halo upgrade, Showstopper Camaro Bowtie Led Mirrors and Engine cover, Pace Setter Cat Back Exhaust, BK Coilover Kit, 21x9.5 and 21X8.5 Full Custom Cromed 21" GM wheels, Tinted windows, I WIN BEARS Plate. Full IOM dash and door update with IOM interior panels.
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post #3 of 6 Old 11-03-2012, 12:55 AM
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Yes, 2012 V6 = LFX

2012 1LT/RS AGM convertible M6

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post #4 of 6 Old 11-04-2012, 06:33 AM
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Just terms used in designating engine types by GM.

LLT

The 3.6 litre (3564 cc) LLT is a direct injected version based on the earlier LY7 engine. It was first unveiled in May 2006, and the DI version was claimed to have 15 percent greater power, 8 percent greater torque, and 3 percent better fuel economy than its port-injected counterpart. The LLT engine has a compression ratio of 11.4:1, and has been certified by the SAE to produce 302 horsepower (225 kW) at 6300 rpm and 272 lbft (369 Nm) of torque at 5200 rpm on regular unleaded (87 octane) gasoline. This engine debuted on the 2008 Cadillac STS and CTS.[8][9] GM will use a LLT in all 2009 Lambda-derived crossover SUVs to allow class-leading fuel economy in light of the new Corporate Average Fuel Economy (CAFE) standards. In the Lambdas, LLT engine produces 288 horsepower (215 kW) and 270 lbft (366 Nm) of torque

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.


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post #5 of 6 Old 11-04-2012, 09:01 PM Thread Starter
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Originally Posted by Nancygrl View Post
Just terms used in designating engine types by GM.

LLT

The 3.6 litre (3564 cc) LLT is a direct injected version based on the earlier LY7 engine. It was first unveiled in May 2006, and the DI version was claimed to have 15 percent greater power, 8 percent greater torque, and 3 percent better fuel economy than its port-injected counterpart. The LLT engine has a compression ratio of 11.4:1, and has been certified by the SAE to produce 302 horsepower (225 kW) at 6300 rpm and 272 lbft (369 Nm) of torque at 5200 rpm on regular unleaded (87 octane) gasoline. This engine debuted on the 2008 Cadillac STS and CTS.[8][9] GM will use a LLT in all 2009 Lambda-derived crossover SUVs to allow class-leading fuel economy in light of the new Corporate Average Fuel Economy (CAFE) standards. In the Lambdas, LLT engine produces 288 horsepower (215 kW) and 270 lbft (366 Nm) of torque

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.
Thank you very much for the information. Finally ordered my CAI and the MRT v.2 today from Apex Motors Michael in Virginia

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post #6 of 6 Old 11-05-2012, 07:08 AM
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The LFX also has app 10-15% greater fuel delivery for the super charger/turbo crowd allowing us to run 7-8# boost w/no need for supplemental fuel source VS 5-6# for the LLT.
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