A quick check of the web turns up that many who own this engine are experiencing troubles all the way up to the engine fragging. It's in the 2016 ATS, CTS, and Camaro (among a few others. It is a 60° 24-valve design with aluminum block and heads and Sequential multi-port fuel injection. It replaces the LFX across GM's offerings. The LGX is the Gen IV HF 3.6 engine. The 3.6 liter V6 LGX engine is part of GM’s high-feature V6 engine family. It delivers an SAE-certified 323 horsepower (241 kW) at 6,800 rpm – 11 horsepower (8 kW) more than 2011 models. The 3.0 litre LF1 is one of GM’s Global Engines. Hi all, I currently have been in the market for a Colorado with the 3.6L V6. GM 3.6L Engine Problems. GM engineers created 370 different power simulations to optimize this engine. But on local streets pulling modestly from a light the GM 3.6 DOHC DI V6 was and continues to be perhaps the most unrefined sounded engine I have experienced. I just got a “Customer Satisfaction Program” letter from GM stating that GM’s 3.6 liter V6 (the engine used in the Camaro, Saturn Outlook, LaCrosse, Cadillac CTS, and several other cars) is showing premature wear of the timing chain. Reliability I can't comment on because I've heard nothing really bad about either V6 but; if directly comparing 3.6 vs 3.6, both motors are comparable to each other IMHO. I won't own any direct injected engine. I believe the problem is inherent to solenoid direct injectors. The series was introduced in 2004 with the Cadillac CTS and the Holden Commodore (VZ). 2012 Chevrolet Camaro Engine: More Power, Efficiency New 3.6L V-6 LFX produces 323 horsepower and 30 mpg on the highway. Both are potent, both give reasonable MPG, etc. With Vortech V3 head unit, over sized intercooler, 3.5" blow through MAF, proper crankcase evacuation system and all re-designed components. After the LY7, the LLT version brought direct fuel injection. overkill supercharge system for the 2012-2015 Camaro and Cadillac CTS 3.6L V6 with LFX engine. A quick check of the web turns up that many who own this engine are experiencing troubles all the way up to the engine fragging. And, the isolation that GM put in the LFX simply isn’t cutting it. The LFX is lighter and more powerful than the LLT it replaces, featuring: New cylinder head design with integrated exhaust manifold The 4-door SUV platform holds the 6-cylinder blocks perfectly and this a big part of the GMT561 design. The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern General Motors DOHC V6 engines. The engineers are constantly dealing with problems they have … 2011-04-13. The LCS was a version meant for hybrids. As far as mainstream GM goes, there have been at least four major versions of this engine. The question I'm having is I realize this engine has been out for a few years and I have heard great things about the performance as well as reliability. The market for selling crossover SUVs has been improved through better performance of motor blocks. DETROIT – A new, more powerful and more efficient version of the 3.6L direct-injected V-6 will be standard in the 2012 Chevrolet Camaro. I was in a 2014 Impala with Gms 3.6 with the 6 speed, ... 335 hp for GM's v6 in the Camaro. Reliability I can't comment on because I've heard nothing really bad about either V6 but; if directly comparing 3.6 vs 3.6, both motors are comparable to each other IMHO. These sessions are useful in that you get to hear what’s on the minds of the guys who design these engines. Hi all, I currently have been in the market for a Colorado with the 3.6L V6. To a certain degree, cruising noise on the freeway isn’t bad because the wind noise, tire noise and everything else help mask the utterly uninspiring engine note. The 3.6-liter engine inside the Chevy Traverse has been part of the transverse mounted designs since the year 2009 at GM. This engine character will turn off more mainstream buyers than 90hp/liter will attract drinkers of technobabble. It has been validated beyond 100,000 miles and has accumulated more than 6,400 hours of dynometer testing. I know the rear visibility sucks but I grew up driving my mom and dad's 70's GM product so I am used to driving with my head on a swivel. But if I had a GM 3.6 Direct Injected engine, I'd be using Rotella 5w-40 oil in it and not worry about the fuel mileage. The 3.6 liter V6 LFX engine is GM’s new, more powerful and more efficient version of the 3.6L direct-injected six-cylinder engine (code LLT). During testing, it was run more than 270 consecutive hours at wide-open throttle without a failure. The engine is part of GM’s global family of V6 engines that employ the most advanced automotive engine technology available, from state-of-the-art casting processes, to full four-cam phasing, to ultra-fast data processing and torque-based engine management. The LFX, used in the Camaro, had redesigned heads and an integrated exhaust manifold to reduce engine weight. If you have this GM engine, change oil using a quality 5w-30 and change at 5000 mile intervals seem to solve the issue. Really, really like the look of the 2014 Camaro and with the V6 they claim 27MPG highway. A GM trainer was in town recently for a session on the company’s 3.6L engine series.