Ly7 vs llt engine New 7. Developed by GM Powertrain, the LLT and LFX were part of General Motors’ High Feature V6 (HFV6) engine family. Suzuki changed the code name from LY7 to N36A. Feb 7, 2023 · ok im trying to the same thing with my 2009 ve sports wagon but am having issues as I have been screwed over I have a series 1 and the motor is a series 2 but im having issues with the fuel line positioning the series 1 the fuel lines come out one the back of the fire wall where the series 2 come out on the driver side of the engine bay is it possible to swap the fuel lines from a series 2 on Nov 16, 2017 · LY7 LLT HFV6 Engine Assembly Line Oct 6, 2009 · A CTS with an LLT V6 has a badge on the left side of the trunk lid that says "3. Mar 14, 2013 · Like Matt said, the compression isn't going to matter as much with a turbo on a newer engine like the LY7 or LLT. Sep 3, 2013 · A CTS with an LLT V6 has a badge on the left side of the trunk lid that says "3. Haven't looked at it. May 15, 2021 · The LLT short block. The LLT was rated at 312HP. It was first unveiled in May 2006, and was claimed to have 15 percent greater power, 8 percent greater torque, and 3 percent better fuel economy than its port-injected counterpart. The series was introduced in 2004 with the Cadillac CTS and the Holden Commodore (VZ) . paid 1850 and had 92,000 miles Apr 25, 2015 · Lot's of LLT owners, sooner or later, will want to do this conversion, if for no other reasons than LFX engine availability and improvements in the engine itself. Building upon its predecessor, the LY7, this engine boasts a 15% increase in power output thanks to its direct injection design. 6 Liter V6 engine, also known as the LLT engine, takes the direct injection technology to new heights. Oct 29, 2014 · I believe the conversion would be more involved than just an engine swap, i. 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. LY7 block and internals. The LY7 and the LLT are both 3. The LLT GM 3. The LLT is not interchangeable with the LY7. However, the torque ranges between 225 and 252 pounds-feet and horsepower between 211 and 275. Look at your VIN. The LGX piston pin weighs 116 g, the LLT and confidently the LFX weigh 120 g with the LY7 pin coming in on the fat side at 142 g. This might cause issues unless you have the ECM for the LLT (or have the ECM flashed with the correct firmware) as the injection control system might be different. Not sure. Torque, meanwhile, ranged between 225 and 252 lb-ft. Sep 3, 2013 · Note for later years - as per 2012 Coupe manual - eighth digit in VIN specifies 3 for the 3. This version added direct injection, which was claimed to improve fuel efficiency and power. The LLT version arrived shortly after the first version — LY7. the LY7. i put a 2016 engine in my 2012 traverse, it was 500 bucks cheaper than an actual 2012. ECM exchange and fuel delivery modification to name two. Haltech build stand alone systems; however, they are very expensive. May 14, 2006 · So it pretty much has to be the piston CC's that make up the compression from the LLT/LFX vs. Nov 11, 2021 · 2008 caddy i believe has the LY7 engine, you need an LLT. You're going to need a complete gasket set, seals, etc. The connecting rods for the LY7, LLT and LFX weigh 639 g Dec 30, 2013 · This has been this way since the first GEn 3. The LLT is up around 14:1 for the direct injection. Jan 17, 2012 · The CR may be higher with the LLT since you can run higher CR's with DI. LLT. In this case all 12 CTS's are DI. 6L CTS? Is there anyway a newer model LY7 will swap out? Aug 8, 2021 · Be aware, both 2008 and 2009 offered both LY7 and LLT engines in the CTS models. Mar 9, 2020 · From the Wiki: The 3. The LFX has a different intake manifold and integrated exhaust ports. On the Holden model, a simplified modification of the LE0 was installed with phase regulators only at the intake. High The LY7 engine was also used in the VZ Adventra due to the additional mass of its all-wheel drive system. Released in September 2009, the LLT was a petrol engine that was replaced by the E85-compatible LFX engine in November 2011. 6LLT in other GM platforms already had the engine, Camaro has the LLT in 2010-2011 and the LFX 2012-2014. So basically it's going to look like this: 1. 6 L (3,564 cc) LLT is a direct injected version based on the earlier LY7 engine. LY7: MadMaxx: Camaro V6 LLT Engine, Exhaust, and Bolt-Ons: 4: 05-16-2009 11:20 AM: Do you know how good this LLT is? 2SSRS@Gen5diy: Camaro V6 Apr 21, 2011 · I have found some good deals on engine/transmission combos out of brand new STS and Camaro's with the LLT and a new transmission (taken out of the cars with around 10 miles on them) for $2500 on ebay. Pull apart LY7 engine and keep the heads, intake, oil pan, front timing The 3. Part of GM’s High Feature V6 VVT engine family, the LLT was among the first The 3. Pontiac always changed the hp numbers depending on what car line it was in but to me the most famous was the 68 Camaro - Z28 was billed as 290 hp while the SS-350 was 295. Maybe the LLT ECU ha sbeen broken and more power can be found. 0-litre LF1 and LFW. You have to build 1 engine from the 2 engines and all you can use from the LLT is the block with the rotating assembly in it. Most only look at the obvious, releasing crankcase pressure. 6-liter V6 LLT is an engine produced by General Motors for use in a wide variety of mid- and full-size vehicles. e. 6L engines. The GM 3. Technical data in chapter 12 describes info. 7mm inverted tooth chain and newly-tuned harmonic balancer to reduce drive noise. May 16, 2009 · Differences in LLT vs. 6L non DI LY7 came out in 2003-2004. The LLT uses a Bosch ECM while the LFX uses a Delphi ECM. The LLT also had a higher Sep 1, 2012 · The two engines are very similar, but the LFX is just a newer design based off the LLT. This makes me question just how different (if at all) the engine mounts and ECU are versus the LLT? - The same 6spd manual transmission (Aisin AY-6) was used in the manual V6 CTS' from 2005-2011 (LY7 and LLT). As for the ECU, who knows. New variable intake manifolds on both engines to increase peak power and peak torque. This engine debuted on the 2008 Cadillac STS and CTS. The LLT was based on the LY7 and substitutes direct injection for port injection. To answer your question, yes, it will swap over. Is there ANYWAY this could be easily swapped out for the LY7 on my 3. Jan 13, 2017 · The LGX has the heaviest piston at 400 g, the LLT and LY7 are 390 g and although I don't have an LFX piston on hand, I'd expect its wt to be 390 g also. 6-liter V6 General Motors LY7 engine was assembled at the concern's factory from 2003 to 2012 and was installed on the Cadillac STS, GMC Acadia, Chevrolet Malibu or Suzuki XL-7 under the N36A index. New Bosch E77 engine control system with digital sensors for crank and camshaft positions. 430hp vs Jan 26, 2017 · The LLT is a direct injection engine vs the LY7 being a 'normal' port injection. Engine torque and horsepower vary depending on the vehicle it was used. From 2008 on the 3. Not sure when the codings changed for the LY7 or LLY engines. 6-litre LLT and LFX engines were closely related to the 3. Read the differences between the LLT vs LY7. Jun 28, 2009 · LLT engine specifications: Tran: Wiki: 2: 03-29-2010 11:06 AM: Check your Order here: bvonscott: Camaro Price | Ordering | Tracking | Dealers Discussions: 665: 06-29-2009 02:00 PM: Differences in LLT vs. LY7 So it looks like the head exhaust port spacing and bolt pattern is the same what internal changes did they make on the LLT? Is the DI retrofit to the existing motor design (w/ increased CR) the only major changes to the design? Jul 7, 2014 · - The 2008+ CTS used the same LY7 as a base engine for a few years. The upper end of course is all different. Depending on the vehicle, the LY7 was made between 211 and 275 hp. 0 V6 engines. Prepare to be captivated as this beast roars to life. The LFX is rated at 323. . Best of all was the L88 vs the L71. Mar 23, 2022 · N36A is what it was called in the Suzuki. any year LLT will swap but the 2009-2011 have different fuel injectors you would have to swap. The 3. New diecast oil pan isolates driver from noise and vibration. If the combustion chamber is slightly smaller in the LY7 head, then the compression would be even higher which could be fun. Aug 29, 2018 · I mistakenly compared the LY7 and LLT heads, after correcting that I found that the LLT and LFX heads are near identical to the naked eye with the only obvious difference being the exhaust port design. The one on the LY7 is limited in tuning in that very few have broken the code in that ECU. If it's V, you have the LLT (direct injection). Heck, I don't think any of the modern tech GM engines are built stock with a compression lower than 10:1. 6 liter (3564 cc) LLT is a direct injected version of the LY7. Every PCV system has several functions, most not under stood or misunderstood. Like the LE0, the LY7 engine had a deep-skirt alloy cylinder block that was cast in 319 aluminium and had six-bolt main bearing caps made from copper-infiltrated sintered steel. Both 278lbs of TQ. The bore and stroke are identical, the gaskets are the same. to combine the 2 engines. 6, or 5 for the 3. If the 8th digit is 7, you have the LY7. Also, read discussions about this swap in other GM forums. 6 v6 arrived a few years after the LY7. If the SPIDS sticker is missing/lost on the donor, LY7 had "7" in the 8th position of the VIN and LLT had "V" in that VIN position. 6 Direct Injection". Mar 29, 2021 · Goes back to the late 60s when GM had a habit of playing with numbers to get people to buy a certain engine (or not buy another). the seller said it wouldn't fit but it was a direct fit and runs excellent. The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern DOHC V6 engines produced by General Motors. xqxc usmp bsm shkny nvgjz krrzly ebaczp xwlt pbv aemsho lrl ytavem ttbxjw dysqphv uglhp