For more information on Tuning your car please join us in ourfriendly forumwhere you can discuss LaCrosse options in more detail with our LaCrosse owners. It was based on a longer wheelbase Epsilon platform and shares this with the Saab 9-5 and Insignia. As timing chain metal temps increase the chains stretch and can jump teeth on the gears. Copyright Overkill Motorsport 2007-2015, Welcome to Overkill SuperCharger Systems by Overkill Motorsport. My 2012 LFX has 62,194 miles on it and runs like a new engine. Typically one of the most costly upgrades it offers big gains. It would seem that it is very similar in size to the Miata engine. From a mechanical standpoint, AFM was much simpler to design on engines utilizing in-block camshafts (OHV V6 and V8s). Help us improve, leave a suggestion or tip. Additionally, the 2012+ LFX engine uses a composite intake manifold instead of the metal previously used. That is going to be absolutely amazing to drive! Revhigh's maps are the best dollar-per-horsepower modification one can make to the Holden engines. The 3.6-liter LF3 shares the integrated exhaust manifolds, VVT, aluminum block, "high-tumble" intake port design, and other designs that are utilized in the naturally-aspirated HF engines (i.e. Is this really the case? It's probable that the ride may be a touch rougher because to the stronger polyurethane bushes, but they'll last longer and maintain tighter handling. some people have said trifecta is seen by the shops although some say it cannot be seen by the shops (if a shop sees the computer tune was altered they may void your warranty). For all LFX related parts You are browsing . Please note that some performance pads can grind and will need to be really hot before they bite. Please watch our video which covers the 5 principles of tuning your LaCrosse. If your timing chain completely falls off or jumps too many teeth it is extremely important to not turn the engine on. If you have an account, sign in now to post with your account. Use a GMC terrain 3.0 intake manifold, spacer, and throttle body. Even more impressive is the efficiency of the package30mpg combined fuel mileage. Support for your other aftermarket modifications including our intake system, aftermarket exhaust systems, our 80mm throttle body, JacFab intake spacer and more. I've posted a lot about possible mods elsewhere on the site, since I also own a Camaro I have good experience modding the V6. first you pay him, then he sends the controller with instructions on how to upload your stock files to him (i think i emailed them to him compressed perhaps, it's in the instructions). Competition camshafts, boost the higher rpm power band but as a result, the car will not idle smoothly and low-end power nearly always suffers. The gasket also seals the engine pressure or vacuum. There we bumped into a Chris Creech, better known by his forum handle "BaylorCamaro." However, the most important purpose of the cover is to help lubricate the timing chain with engine oil. How did this turn out? It takes just a moment to join our fantastic community. I change the oil once a year just to have new oil in it. Rated at 304hp, the 3.6L six-banger in the 2010 and 2011 fifth-gen squashes the LT1 and TPI V-8s of yore despite having just 2/3rds the displacement, and virtually matches the output of the '98 Camaro's vaunted LS1. kit & Big Gulp Air Scoop, Elite Catch Can, ATI Super Damper & 18% OD Pulley, LF Idler pulley bracket, Metco CC breather, ID850 Injectors . Remapping ECU The LFX water pump has a weep hole which is a small drain hole on it. The car has 1,604 actual miles on it today. When a transition to AFM is occurring, the cylinders that are being disabled are allowed to complete a combustion event, but, beginning at the end of the power stroke, the intake and exhaust valves are disabled to keep the combusted charge in the cylinder, turning it, in effect, into a gas spring. Racer-X- Registered Magoo2012 Cadillac CTS Luxury, Opulent Blue, plus many more, see signature. Afterwards, the inlet air temps are now just five degrees above ambient temperature. The LFX is a direct-injected 3.6L V6 engine producing 301-323hp and 262-278lb-ft. of torque. Engine: GM "LFX" all-aluminum V6, 3.6 liter Direct Injection, E85 Flex-Fuel capable Variable Valve Timing, Timing Chain (not belt) Forged crank shaft, Sintered metal con-rods 323 horsepower, 278lb/ft torque Available in 2012-2015 Camaro, Buick LaCrosse, Cadillac CTS/SRX, Chevy Caprice, Impala 4 v. 6 As most LLT owners know, computer programming has limitations due to the Bosh ECM and very difficult to tune for maximum efficiency. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). Clear editor. We sold our LFX engine to Ryan Passey of Goodwin Racing for his Hypermiata build, and Ryan then went out during its maiden voyage and set the infield record for Miatas at California Speedway. It will usually give around 30% more power on turbocharged vehicles and you can expect to see around 15% on NA (naturally aspirated) engines, but your results may differs on the tuning parts you've carried out and the condition of your engine. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. would indeed to be a force to be reckoned with. It would also be worth reading our unbiasedBuick tuning articlesto get a full grasp of the benefits and drawbacks of each modification. Come join the discussion about performance, SS models, modifications, classifieds, troubleshooting, maintenance, and more! At the time of writing, the Gen IV HFV6 is either available currently, or will be in the future, in the following applications: The question that most people want answered at this juncture is this: What has changed with these new engines (e.g. For a better experience, please enable JavaScript in your browser before proceeding. The new V6 LFX engine from GM is cheap and readily available. Adding larger brake discs and better brake pads will make for dramatically improved stopping. MPG calculator However, this problem is really only a problem if you let your oil levels run too low. In April 2012, the timing chains received an upgrade which minimized the problems going forward. When the engine is low on oil, the tensioner does not receive enough oil pressure to keep enough tension in the chain, causing it to become loose. Fortunately, there are warning signs of a failing water pump and you can catch it before the pump completely fails and overheats the engine. The following symptoms may point to Chevy LFX timing cover gasket problems: While it is possible to crack a timing chain cover, most of the issues with the LFX arise from gasket failure. However, the parts themselves should be around $100 and it can be DIYd in a few hours. The LGX is also available with an 8 speed paddle shift transmission. "Success is the ability to go from one failure to another with no loss of enthusiasm" Sir Winston Churchill. Only show this user. After having it for about 5,000 miles, I am overall very happy I bought this tune. Common exhaust restrictions are in the catalyst installed, so adding a faster flowing race aftermarket version unlocks that lost power. If you want to know more, or just get some friendly advice on Tuning your LaCrosse engine please join us in our friendly forum where you can discuss LaCrosse tuning options in more detail with our LaCrosse owners. Please drive sensibly we do not endorse reckless driving. Fast road camshafts commonly boost the performance across the rpm range, you might lose a little low-end bhp but the higher rpm power will be higher. Additionally, the timing chain is the second component to become deprived of oil. In the new focus it makes about 345hp and inexpensive aftermarket parts make 400hp easily available. I can't believe I waited this long to do this tune. 12-15 LFX 3.6 v6; Intake; Engine; 16-21 LGX 3.6 v6; Intake; Engine; 13+ LTG 2.0t i4 . The LLT and LFX engines also used dual-stage injection used during cold starts to get catalytic converters up to operating temperature more quickly. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. Because alloys are lighter they improve performance and they will help to cool the brake disks. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form, The 5 Most Common Mercedes M157 AMG Engine Problems, Choosing the Best Steering Wheel: A Guide to Help You Choose, The 5 Most Common Ford 351 Cleveland Engine Problems. A sports catalyst pretty much removes this restriction, thanks to its larger size and surface area, and will effectively raise the performance to levels you would expect without having a catalyst installed. It is the shape and material more than the bore size. Made the little Trax a lot more fun to drive. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and . That's plenty fast to smoke an unsuspecting SS at the stoplight. Since the LFX is known to normally consume 1 quart every ~2,000 miles or so, we recommend either topping off oil in between changes or changing your oil more frequently. The internal pressure naturally causes the internal components of the water pump and the gasket and seals to wear down over time. The LGW has a bore of 86mm (making it almost a squared displacement), and the LGX/LGZ has a bore of 95mm. : Add a LFX Sub Forum or Keep The Combined LLT/LFX Forum? The 2.2 Ecotec is found in multiple GM brands such as Chevy, Pontiac, Oldsmobile, and Saturn, as well as Opel and Holden internationally. While the low engine oil light may still appear prior to this, it is very common for drivers to find themselves low on oil in between oil changes. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. (They will brake effectively over longer periods during heavy use than stock brakes will, but grip has more of a bearing on the cars ability to stop). Symptoms of LLT and LFX timing chain problems include: When a timing chain fails, it throws the engines timing out of whack. Thanks. For example, by combining a sports exhaust (2bhp), an air intake (4bhp), and a remap (15bhp), you can achieve a power gain of 30bhp rather than just 21bhp if you just added them together. To remedy the situation, relocating the IAT sensor is an easy fix. Hopefully the 6T70 transmission maximum power input is under-rated !! . Please watch this video and subscribe to my YouTube channel. The rubber ones will degrade with time and need replacing anyway so why not upgrade. Most timing chain issues are caused by low oil levels. You must log in or register to reply here. While the ECU hardware has changed over the years (gradually increasing in EEPROM flash size, increasing CPU speed, and increasing the number of and types of inputs and outputs), it is interesting to note that the underlying software which controls the ECU itself has its roots all the way back to the original E39 introduced in 2010. ". These V6 engines are producing more power than V8s 15 years ago were, at a fraction of the fuel consumption. The E92 (center) arrived in 2014 to drive the then-debuting Gen V V8s (LT1, L83, L86), new V6 (LV1, LV3), and a few of the HFV6 Gen III engines (LF3, LFX with 8sp auto). Even with 16 or 17-inch wheels and conventional suspension, lowering the vehicle may create a slew of issues. When the water pump starts to leak internally, coolant will drip out of the weep hole which is a telltale sign that the water pump is on its way out. Notify me of follow-up comments by email. While the E92 is essentially an upgraded E39, sporting a larger EEPROM (flash) and a CPU with a higher clock speed, it is largely pin-compatible with the E39. and I know that it will be a little bit longer until there are a lot of modifications for the LFX engine. I might even put non performance modifications I know its not in the right . This was a slight improvement in throttle response on the low end or take off and gave a noticable increase in mid range power. Installing new OEM rubber bushings may dramatically improve the performance of your car. The Buick LaCrosse are fantastic to work on and with the best uprated parts like ECU maps, turbo upgrades, and camshafts you will noticeably enhance your driving experience. New LFX engines used in Camaro's are rated at 325 HP and 284 ft lbs of torque. The LFX engines also run automatically on E85 (thats the X designation in LFX), and weve already seen horspower figures in the low 300s, again with a stock engine and a light tune. September 23, 2016. . You can scan with our handheld while driving and send that data for review and tune updates, to get a tune that's more customized for your vehicle. Fast road cams are generally the biggest mechanical mod upgrade, but they must be installed by someone who knows what they are doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft. This entry was Procharger Supercharger unit - P1SC model for Stages 1 and 2, D1SC for Stage 3, self contained oiling system (no oil lines connect to the engine), D-Series supports up to 16psi on the 3.6, Overkill 8-rib pulley system - unique mounting brackets use existing engine point attachments to mount the Procharger, a new independent crank pulley interlocks with the factory pulley and runs a dedicated 8-rib belt for the supercharger that doesn't interfere with the factory accessory belt. Jake is a founder of 8020 Media and TuningPro. Peak power numbers aside, these potent sixes are good for mid- to low 14-second e.t. In a swap you just leave the drive belt system intact. While they are known to fail as early as 30,000 miles on the affected 2007-2012 models, they should last closer to 150,000 miles on later model years without these issues. Typicalstage 2 modsoften include:fuel pump upgrades, high flow fuel injector,Ported and polished head, Power/Sportclutch,Fast road cam. The weight in the transmission is centered in the turret (small end) which helps with mass centralization. Fortunately, this issue was addressed for most LFX engines and cars with OLM were recalibrated to prevent low oil levels. Would do it all over again. in the process. The block is stronger, and stiffer, with increased structure in the bulkheads for superior rigidity (source: GM media). In 2015, the E92 was also used in the then-new Chevrolet Colorado and GMC Canyon with the LFX engine, and in 2016, the E92 was chosen to drive the new LF4 engine debuting in the 2016 Cadillac ATS-V. Theyre practical, capable, and, most of the time, safe. Rarer and older models may only have polyurethane versions of the main bushes available as aftermarket bushing kits, however the majority of recent models have a complete set of suspension bushes for all parts of your suspension mounts. Looking into some upgrades for my own car, so if you could link any upgrades it would be appreciated. If it could be mated to a standard trans, have the oil pan adapted to longitudinal use and miss the steering rack (and not sit too low), and if the ECU was plug n play, then its possible. 2.5 L LHN (Hybrid gasoline/electric) (North America). My Account; International Orders; Return/Cancellation Policy; Contact Us; Shop by Engine. There is no gasket on the LLT , LFX timing cover. These are mods that can literally be bolted on and work. At the time of writing, there are three known Gen IV HFV6 engines being produced, in two different displacements: LGZ: 3.6L (referred to as 'variant 2' by GM VIN cards). Water pumps circulate coolant throughout the engine. 3.6-liter direct-injection VVT V6 engine (LGX 310hp / 282 lb-ft), with stop-start and cylinder deactivation. The original tune for about 9 months and a stock Touring version since. SS and V6 Forums - Camaro5.com > Engine | Drivetrain | Powertrain Technical Discussions: Camaro V6 LFX Engine, Exhaust, and Bolt-Ons User Name: Remember Me? If you don't want to risk your warranty, I doubt I'd go much futher than an exhaust, and maybe an intake, (but even some dealers will have issue with that). Outstanding job. In this article we examine LaCrosse tuning and provide tips on the optimum modifications for your car. Those selling points are especially enticing if you have a family to chauffeur. When this happens, the timing chains arent receiving enough lubrication and the temperature of the chains metal increases from the increased friction. No leaks, squeeks, or hard starting. Flax | Released 2020. Its heavier than a 6 speed manual, but would keep the drivers nice and rested in an endurance race. Its predecessor, the LLT was released in 2006 in various GM cars. We won't be swayed by popular LaCrosse tuning mods, they need to be cost effective. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. GM Timing Chain Failure Technical Service Bulletin. Thanks heaps for the info mate. A real stage one mod is a stand-alone mod, but there is nothing stopping you from adding more to your car, and we strongly advise you to do so because the power gains are exponentiallycumulative. A few of the most common GM LFX engine problems include: In the rest of this article we examine these four LFX problems in-depth. Tips for N55 Tuning, Diesel tuning Wonderful tune really wakes this truck up did this for a customer of mine and I was blown away by his estatic reaction you guys are the best. No drips, no skips. All engines share the same stroke, at 85.8mm. An engine is only as capable as the electronic control unit (ECU) that controls it. Also a direct-injected engine, the LGX was increased slightly in size with larger bores and intake and exhaust valves.
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