Lq9 engine years

Follow this link to Identify an LS Engine by VIN. Externally, the engines are identical. The only differences were: The LQ4 came with dished pistons. The LQ9 came with flat top pistons. (This raised the compression ratio, horsepower, and torque.) The LQ9 had injectors with a slightly higher flow rating. If you don't have the VIN code, you ...

Gen. 3 engines could be found in cars up until 2005 and most trucks as late as 2007 (LM7, L59, L33, LQ4, LQ9) and were 24X. The Gen. 4 engines could be found in the LS2 Corvette, GTO, and LS4 powered FWD cars as early as 2005, but remained 24X equipped.With regards to engines, two popular choices are the 6.0L iron-block LQ9 and LQ4. The specifications of these two engines differ greatly - while the LQ9 provides a horsepower of 345, the LQ4 has an output range between 300 and 325 horsepower.This quick video shows how to not only identify the size of a LS engine but also what type of LS engine your looking at. Terry show you what to look for and ...Feb 22, 2021 · The Gen III/IV engines minimized stroke length changes while offering multiple displacements. The smallish 4.8L engine use a specific 3.26-inch stroke while the 5.3L, 5.7L, 6.0L and even the 6.2L engines all spin a 3.622-inch factory arm. Used OEM Engine. I’ve learned many people looking to purchase a used LS engine usually opt for a 5.3L or 6.0L. They can usually be purchased from $500-$1,500 depending on displacement and mileage. However, here are a few things to consider when buying a used LS engine: Run the engine. Try to hear the engine running before buying it.The Chevy 6.0 LQ9 engine features a V8 configuration, meaning it has eight cylinders arranged in a V shape. This configuration provides excellent power and torque, making it suitable for a wide range of applications. The LQ9 engine has a displacement of 6.0 liters, which translates to 366 cubic inches. It utilizes an overhead valve (OHV) design ...GM 6.2L V8 Supercharged LS9 Engine Vehicle Applications; Year Make Model Transmission Power (hp / kW @ RPM) Torque (lb-ft / Nm @ RPM) 2009-2013: Chevrolet: Corvette ZR1: 6-Speed Manual (MH3-6L95M)

ATK SP19-F Chevy LQ9 6.0L Short Block OE Flat Top Pistons $ 3,199.00-Lead Time: Estimated: 4 - 6 weeks. ... • Block: Seasoned 6.0L LQ9 • Year Rang: 2001-2007 ... Engine Info: • Oil: 5W30 Non synthetic for first 3000 miles • Oil Filter: Wix or K&N per application ...Follow this link to Identify an LS Engine by VIN. Externally, the engines are identical. The only differences were: The LQ4 came with dished pistons. The LQ9 came with flat top pistons. (This raised the compression ratio, horsepower, and torque.) The LQ9 had injectors with a slightly higher flow rating. If you don't have the VIN code, you ...What years does a LQ9 come in? When it comes to V8 engines, the LQ9 is a powerhouse. This 6.0L Gen. 3 small block engine was used in GM trucks between 2002 and 2007, as well as some of General Motors ' luxury cars during that time frame. It is renowned for its power and reliability, providing an impressive 345 horsepower at 5200 RPM with 380 lb ...The LQ4 was introduced in 1999 as one of the first LS truck engines. It was available in GM pickups, vans, and SUVs until 2007. The LQ4 was also known as the Vortec 6000. LQ9. The LQ9 was an improved, high-output version of the LQ4. It was introduced in 2002 for the Cadillac Escalade. It was available in the Escalade and GM pickups until 2007.The Vortec 6000, or LQ4, is a V8 truck engine. It is a bored version of the Vortec 5300. Displacement is 6.0 L (~366 cu in) from 101.6 mm bore and 92 mm stroke. It is an iron/aluminum (2000 model year engines had cast iron heads) design and produces 300 horsepower (220 kW) to 325 horsepower (242 kW) and 360 lb·ft (488 N·m) to 370 lb·ft (502 ...Owns:SS. Color:Victory Red. Year:2006. Drivetrain:2WD. Posted February 26, 2008. Silverad04 said: Hey I am new to the site, but not new to truck forums. I am trying to do some research on the best cam for a N/A LQ9. I currently have a 2004 RCSB that is that beautiful GM Victory Red with a 5.3L.408 LQ9 Long Block . $9,999 . The 'Forth Generation' LS based engine stepped up the game in Small-Block Chevy Performance once again. Our 408 Cubic Inch hot-rod starts with a seasoned 6.0L High-Alloy Cast Iron LQ4 Block and a proven 4340 Forged Steel Crankshaft. ... This Prestige Motorsports engine is built to order and comes with a 3-year ...Put a higher pressure cap on the radiator. 20 psi or so and plug the overflow port then put your 15-16 psi cap on the surge tank. Or cut the filler neck off the radiator and weld a cap on it. I like the idea of a two way cap with overflow for simplicity but the surge is cool for filling and extra capacity.

I will post pictures weekly with my progress on building the motor when infact i settle on either the LQ9 or LSX. PS- I know all the specs for each engine (IE iron, wall thickness etc) just want to know which will be the least amount of with that i could suck the most amount of power and TQ out of. Edit: LSX poll option is supposed to be 454 ...The LC9 engine is a 5.3L, Gen. 4, aluminum small block engine used in GM trucks and SUVs between 2007-2011. For marketing purposes, it was also known as the Vortec 5300. The engine specs and information listed here is for a stock LC9 engine. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch ...LQ9/4l60e to 1987 FJ60 Swap Parts List: *LIST WILL BE UPDATED AS BUILD PROGRESSES*. ** PURCHASED ** Advanced Adapters Transfer Case Adapter Kit (Part #50-0408A) 50-0408A : 1997 & up GM 4L60E/ 4L65E 4 speed automatic transmission to the 1980-89 Land Cruiser 19 Spline transfer case,adapter kit. | Advance Adapters.The best cam for a 6.0 lq9 engine is the comp cams xtreme energy xe-r lobe profile cam. It offers excellent power gains for this specific engine. When upgrading your 6. 0 lq9 engine, one of the most crucial components to consider is the camshaft. The camshaft plays a significant role in determining the engine's performance, particularly in ...We offer 370, 408, and 420 CID LQ9 packages with power ranging from 520 HP all the way up to 625 HP. All of our hand built turn-key crate engines include a custom engine harness and ECM that can be built to run your electronic transmission for no additional charge! They also include a one year, unlimited mileage warranty.

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The Chevy 6.0 LQ9 engine features a V8 configuration, meaning it has eight cylinders arranged in a V shape. This configuration provides excellent power and torque, making it suitable for a wide range of applications. The LQ9 engine has a displacement of 6.0 liters, which translates to 366 cubic inches. It utilizes an overhead valve (OHV) …Engine:6.0-liter, RPO: LQ4/LQ9; ... Warranty:2 years; HRC Engines is a small family-operated engine builder in Arlington, Kentucky, that has a budget-minded approach to performance builds. We don ...408 LQ9 Boost Ready Engine: L408-B1-LB4-1 . 408 LQ9 Boost Ready Long Block . $11,999 . ... Engines will produce +/- 2% of advertised power at the flywheel. Advertised power levels are achieved using an electric water pump and specific induction and exhaust systems. ... This Prestige Motorsports engine is built to order and comes with a 3-year ...7. 71'bu Discussion starter. 1040 posts · Joined 2012. #1 · Feb 11, 2016. So I had my 350 in the car, put maybe 10 miles on it, and I yanked it. I ordered an LQ9 to replace it, and it will be procharged. Im going to go over the to local LS speed shop by me today and talk to them about the FI I want to use.

LQ9: LS1 engine is a high-revving engine that is used in luxury cars and sports cars. It has a high power-to-weight ratio and can be easily tuned to make it more powerful. LS1: LS1 engine is an American V8 engine that was first used in the Chevrolet Camaro Z28, which was the world's first production street legal supercar. It is an extremely powerful V8 with great torque and acceleration ...Our used engine warranty coverage for personal vehicles from the year 2001 and newer is covered for five years or 50,000 miles, parts only. No labor coverage is provided on any used parts. Used engines for commercial vehicles from these years are covered for 18 months or 36,000 miles, whichever comes first, parts only.It would instead be the series of iron-block, aluminum-head LS engines produced under the Vortec brand name for Chevrolet, GMC, Cadillac, and Hummer trucks that would greatly expand the family. These are found in displacements that included 4.8-liters (LR4), 5.3-liters (LM7, L59, LM4), and 6.0-liters (LQ4, LQ9).The LS1 has 67.3cc chambers with 2.00/1.55-inch valves. Meanwhile, the "852" and "706" heads from the 4.8L/5.3L have 61.15cc chambers and 1.89/1.55-inch valves. These are more suited to high ...Our build started out life as most 6.0Ls, with the base workhorse LQ4. Rated by the factory in the low 300-hp range (depending on application and year), the LQ4 featured reduced static compression (compared to the LQ9) thanks to a combination of dished pistons and sizable 71cc chambers on the 317 cylinder heads.See All 18 Photos. The best of the iron-block, aluminum-headed 6.0L truck engines was RPO LQ9, which General Motors Performance Parts (GMPP) also sold as a complete crate assembly that included ...Designed for: 4.8, 5.3, LS2, LQ4 & LQ9 Engines with Cathedral Port Heads Basic Operating RPM Range: 1000-5800 Expected Horsepower Gains: 30-40RWHP over the stock camshaft in a well-optimized setup Expected Torque Gains: 45-55RWTQ over the stock camshaft in a well-optimized setupNon-ethanol gasoline has been gaining popularity in recent years as an alternative to ethanol-blended gasoline. But what exactly is non-ethanol gasoline, and how does it impact eng...The amount of horsepower produced by a Dodge 360 engine varied over the years of its production. For example, the first engines of this type had 175 horsepower. Later models, such ...LS364/450 - 452 hp @ 5,600 RPM, 441 lb-ft @4,800 RPM. LQ9 - 345hp @ 5,200 RPM, 380 lb-ft @ 4,000 RPM. Yet just like the original LQ9, the LS364/450 is a strong motor that's built to run. And it's also one of the most affordable Chevrolet Performance crate engines available, especially on a dollar per horsepower basis.Shipping is free, but there is a delivery fee for residential addresses. 1x LQ9 Crate Engine - Chevrolet Performance LS364/450 6.0L LS Series Engine. $6,610.77. Subtotal $6,610.77. Add to cart. SKU: 19434650 Categories: Chevrolet Performance Powertrain, LS Series Crate Engines, New Engines Tag: MAP. Description. Additional information.

On 3/5/2014 at 7:28 PM, GI.SS said: I think something under 220 with a 3000 stall is what your after. Also sell those shortys and pick up some long tubes. The shortys have zero performance gain. Look into some corvette servos they're $20 and easy to put in. It will give you some nice firm shifts while your at.

Then for a good 50 years, the go-to engine for hot rodders was the small block Chevy. It was introduced in 1955 and stayed in production in various forms until the early 2000s. ... The LQ4 and LQ9 engines were produced until 2007. In 2007, Chevy transitioned the 6.0L into the Gen 4 model with the introduction of the LY6. The LY6 can be ...The LQ9 is a 6.0L Gen. 3 small block engine used in GM trucks between 2002 and 2007. For marketing purposes, it was also known as the Vortec HO 6000 […] Summit Racing EquipmentWhen you're trying to find someone online, Google's not the only game in town. In the last two years, a handful of new people search engines have come onto the scene that offer bet...The cam swap was combined with the low-profile LS3 intake. Once upgraded, the LS3-cammed LY6 produced peak numbers of 475 hp at 5,800 rpm and 469 lb-ft of torque at 4,600 rpm. Basically, the LS3 ...Golen has 20 years of engine building experience with 17 years focused on LS performance engines. Golen Engine Service is operated in a 12,000 square-foot facility in Hudson, New Hampshire, where a team of hand-picked and home grown technicians produce high performance miracles for an elite clientele base. Among these customers, Golen has built ...LM4/LM7 Engine. Perhaps the cheapest engine swap that can be accomplished on the Gen 4 Camaro/Firebird is the "Vortec" LM7/LM4 5.3L engine. The iron block LM7 was originally fitted in GM light duty trucks and SUV's, but lends itself well to the F-body powerplant. This motor is part of the Gen III V8 engine family introduced in 1999 …Engine Technical. Engine Tech And Modification. LQ9 build cam suggestions. I just got my 4x4 T56 swap completed and now I'm planning a nice NA build. Through research I've found that the 243 heads and TBSS intake are a nice combo with CR around 11:1, and basically my whole setup hinges on the cam selection.This video is about LS Engines 6.0L, 5.7L, 4.8L General Motors GM 5.3 L LM7, Cadillac Escalade 6.0 L LQ9, Gen III Engine Casting Numbers & Date Code LocationsLQ9 408ci 550hp Complete Engine Upgrades. Our 408ci uses a factory cast iron truck block for better overall strength and a set of LS3 ported heads. This engine makes 550hp and has a strong sounding idle with good street manners. Using good performance long tube header that has 1 7/8" primary tubes and a 3.5" collector is recommend.What’s the Difference? The easiest way to tell the difference is to check the 8th digit of the VIN code. Follow this link to Identify an LS Engine by VIN. Externally, the …

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Proformance Unlimited's complete line of LQ9/LS6 turn-key crate engines! We offer 364, 408, and 420 CID LQ9/LS6 packages with power ranging from 480 HP. PH 800-267-3940 | INT PH: +1 321-430-2465 [email protected]. Facebook; ... They also include a two year, unlimited mileage warranty. Give us a call today to get a quote on your turn ...13,565. Well, a 6.0 engine side file would be the base tune. You can copy/paste that data over a 4.8/5.3 file that is running a 4L60e. Then you'd input the LS1 injector data and from there start tuning the MAF and VE with your wideband o2 sensor. You'll have to go in and turn off everything o2 sensor related.Given a choice of either, which would you choose for a 68 Camaro swap. The LM7 costs about $1000.00 the LQ4 about $1500.00. I am almost ready to pull the trigger on a "dropout" . I realize a LS1 from a Camaro, all aluminum would probably be the best choice, but most of those are going for $2500+. Any of them would still require motor mounts ...Over the years the engines have been relatively compact, able to be stuffed in just about any car that has four wheels and even a few things that didn’t have four wheels. ... The LQ9 engine is found in 2002–2006 Escalades and 2003–2007 Silverado SSs and Sierras. LR4. The LR4 is the 4.3-liter 4800 Vortec. It was rated from 255 hp to …Summarize this article for a 10 year old. The General Motors LS-based small-block engines are a family of V8 and V6 engines designed and manufactured by American automotive company General Motors. First introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 ...On 3/5/2014 at 7:28 PM, GI.SS said: I think something under 220 with a 3000 stall is what your after. Also sell those shortys and pick up some long tubes. The shortys have zero performance gain. Look into some corvette servos they're $20 and easy to put in. It will give you some nice firm shifts while your at.Displacement is 6.0 L (≈366 cu in) from 101.6 mm bore and 92 mm stroke. It is an iron/aluminum (2000 model year engines had cast iron heads) design and produces 300 horsepower (220 kW) to 325 horsepower (242 kW) and 360 lb·ft (488 N·m) to 370 lb·ft (502 N·m). LQ4s are built in Romulus, Michigan and Silao, Mexico.Apr 20, 2024 · The first generation of 6.0’s had just two engine codes, the LQ4 and LQ9. The LQ4 came out first and lasted from 1999–2007, while the LQ9 came out second and was produced from 2002–2007. The LQ9 is a high performance version of the LQ4, with an extra 15-45 horsepower and 10-20 lb-ft of torque. The new fuel hose was directed up the passenger frame rail. The 10-micron filter was installed about half way. Once the hoses were routed up to the engine, a pair of Earls fuel rail adapters were used to connect the new hose to the factory fuel rails. A 3/8" to -6 was used on the feed with a 5/16" to -6 on the return. LQ9 vs LQ4. ONLY. Z06 Cam Package SS Cam Package. The 8th digit of the VIN Number will indicate the engine type. “U” is an LQ4 “N” is an LQ9. I validate every engine type with the VIN Number first. Then I actually look at the piston type with a bore light and scope. If you are getting an LQ9 a picture of the piston is recorded and kept ... ….

Our complete LQ9 364CI 480HP crate engine package dyno tested ready for installation. This build features the Cast Iron LQ9/LS6 6 bolt cast iron block. ... All Proformance Unlimited turn-key engine packages will come standard with a one-year, unlimited-mile warranty as standard! This will require all tuning to be performed by us. We stand ...GM made a bazillion of them over eight years. The abundance of LM7 engines available helps keep prices down. Gen. 3 engines didn't have AFM (Active Fuel Management) or VVT (Variable Valve Timing), so you don't have the expense of an AFM or VVT delete kit. The heads flow similarly to LS6 heads, but have a boost-friendly 9.5:1 compression ratio.The LS3 is a Gen. 4, 6.2L small block engine used in GM performance cars between 2009 and 2017. The engine specs and information listed here is for a stock LS3 engine. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even ...No matter which vehicle you drop the LS364/450 into, its combination of horsepower and value will push your project vehicle to the next level of performance! TECH SPECS. Part Number: 19370163. Engine Type: Performance LQ9 long block. Displacement (cu in): 364 cu in (6.0L) Bore x Stroke (in): 4.000 x 3.622 in (101.6 x 92 mm)The 2006-2007 LQ9 engines should have a 58x reluctor wheel, but if the Z06 ECU is missing, that leaves you wide open. Obviously, the easiest route is to replace the missing parts with Corvette parts, but the great thing about Chevy is many of the production parts will interchange. Figure out what year your engine is, and proceed from there.6.0 LQ9 Master Engine Rebuild Kit | Flat Top Pistons | OEM style 3-bolt Cam | Fits 2004-2007 Chevrolet Cadillac 6.0L VORTEC LQ9 LS Escalade Silverado Suburban $ 799.00. people are viewing this right now. PISTON/RING SIZE: MAIN BEARINGS: ROD BEARINGS: + 6.0 LQ9 Master ...Everything you ever wanted to know about the LQ4/LQ9 engines! OP PONTIAC SLEEPER, theturboforums.com 6000 Vortec 6.0L LQ4 The Vortec 6000, or LQ4, is a V8 truck engine. It is a bored version of the Vortec 5300. Displacement is 6.0 L (≈366 cu in) from 101.6 mm bore and 92 mm stroke...1982 Camaro Engines – The Ceasefire Engine. Only the LG4 returned from the second-generation Camaro for the beginning of the newest iteration of the model. Replacing the LC3 and LD5 in the first-tier … Lq9 engine years, The Chevy 6.0 LQ9 engine features a V8 configuration, meaning it has eight cylinders arranged in a V shape. This configuration provides excellent power and torque, making it suitable for a wide range of applications. The LQ9 engine has a displacement of 6.0 liters, which translates to 366 cubic inches. It utilizes an overhead valve (OHV) design ..., General Motors Vortec engine. Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air / fuel atomization. [1] , The main differences between the LQ4 and LQ9 engines are: The LQ9 engine has a higher compression ratio of 10.1:1, while the LQ4 engine has a lower compression ratio of 9.4:1. This means that the LQ9 engine can produce more power and efficiency, but it also requires premium fuel and more careful tuning. The LQ9 engine has flat-top pistons ..., I believe the earlier engines (like lq4 and lq9( use different reluctor wheels on teh crankshaft, and perhaps all bits are different as well, but I don't have any direct knowledge of what engines would be easily swappable for your truck. ... You Seem to know quite a bit about which Motor will Fit in the years listed above. So maybe you could ..., Published by Engineer on 15/02/2024. Chevy 6.0 LQ9 Engine Specs. The Chevy 6.0 LQ9 engine is a powerful and reliable V8 engine that has been used in a variety of Chevrolet vehicles. Known for its performance and durability, the LQ9 engine is a popular choice among enthusiasts and truck owners., Feb 22, 2021 · The Gen III/IV engines minimized stroke length changes while offering multiple displacements. The smallish 4.8L engine use a specific 3.26-inch stroke while the 5.3L, 5.7L, 6.0L and even the 6.2L engines all spin a 3.622-inch factory arm. , Last updated on 11/27/2023. This is the ultimate LS engine swap or engine upgrade resource. Scroll through the tables below to find the LS or LS-based Vortec truck engine that you own or are interested in building. All of the key engine specs and expert engine-upgrade advice and guidance you’ll need are only one click away., LQ4/LQ9 are basically the same with the 9 having a little more compression, and both are 6.0L which most are looking for and drives up the costs some. 5.3L motors are more plentiful which helps with the costs some. 68 Camaro~LSx ~all motor .....1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53. Like., 1982 Camaro. Production: 21,802 4-cyl, 69,777 V6, 98,168 V8, 189,747 total. Vehicle Identification Example: lGlAP87H4CN100001 * Fifth digit is model level: P = Sport Coupe, Z28 Sport Coupe, S = Berlinetta * Eighth digit is engine code: 1 = 173ci V6 (LC1), 2 = 151ci 4-cyl (LQ9), 7 = 305 ci V8 (LU5), F = 151 ci 4-cyl (LQ8), H = 305ci V8 (LG4 ..., OK this is a GM LS1 type engine (gen III) LQ4 LQ9. They are known for mystery leaks of coolant. Disappearing external leaks (small WP leak or dripping on hot exhaust or block and evaporating before you can see it drip on the ground) and also internal leaks (into oil which should be obvious or into cylinder and getting blown out the exhaust)., The new fuel hose was directed up the passenger frame rail. The 10-micron filter was installed about half way. Once the hoses were routed up to the engine, a pair of Earls fuel rail adapters were used to connect the new hose to the factory fuel rails. A 3/8" to -6 was used on the feed with a 5/16" to -6 on the return., The standard 6.0L Vortec had LQ4 and LY6 engine code, while the Vortec MAX used the LQ9 engine code. In late 2006 the LQ9 Vortec MAX was replaced with the L76 engine code which had a slightly higher horsepower output. With respect to the standard Vortec 6000, the LQ9 MAX version produced 20-45hp and 10-20tq more than the standard LQ4 engine ..., After installation of the TrackMax cam, the power output of the 6.0L LY6 jumped from 443 hp and 467 lb-ft of torque to 514 hp at 5,900 rpm and 493 lb-ft of torque at 4,600 rpm. Gandrud Chevrolet ..., These Chevrolet trucks currently come with or came with LS engines: Avalanche, Colorado, Silverado, Tahoe, Trailblazer, and Suburban. The specific models vary throughout the years, and some, like the Avalanche, had the LS in only certain trim levels. These usually came with the 5.3L, 5.7L, or 6.0L displacements., for a 2004-2006 Escalade full size truck (LQ9 engine) with the exception of the cylinder heads including rocker arms which are from a 2013 Corvette (LS3 engine) and a 2004 Corvette (LS6 engine) camshaft. Observe all safety precautions and warnings in the service manuals when installing a crate engine in any vehicle. Wear eye, The LS2 is a Gen. 4, 6.0L, aluminum small block engine. The engine specs and information listed here is for the stock LS2 used in GM passenger cars from 2005-2007. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab ..., The heads are assembled with all new components and vacuum tested for a good valve seal. After the engines are assembled, They are run tested to check oil pressure and compression. Power Torque offers a 3-year unlimited mileage warranty on their engines. ♪ ♪ Ready? (Pat)>> Yep! It's all you. Look at that. It's all cinched down., The heads are assembled with all new components and vacuum tested for a good valve seal. After the engines are assembled, They are run tested to check oil pressure and compression. Power Torque offers a 3-year unlimited mileage warranty on their engines. ♪ ♪ Ready? (Pat)>> Yep! It's all you. Look at that. It's all cinched down., Professional engine machinists pay the same strict attention to the finest of details on every engine component that comes through the shop. Here Lou Bengivenni of LRB Performance Machine Company (Franklin, NJ) uses a file to deburr the webbing of an LS1 block, ensuring proper seating of the main caps and upper main bearing shells., Shop On Sale Items GMC LQ9 Chevy LS V8 Truck Engine Swap Kits and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., C3 Tech/Performance - LS build - LQ9 reliability and slight performance bump - I decided to call it quits on my Smeding 383 build, and am switching to an LS build, mainly because I got a deal on a reman LQ9 6.0 long block. So I have some questions in regards to LS build for reliability. The reman is pure factory spec,..., If the head bolts are of varying sizes, then you have an 03 and older 6.0L. If the head bolts are of all the same size, then you have an 04 and newer. And when you do take the heads off, it is a sure-fire way to discover if it is an LQ4 or LQ9., When it comes to engines and transmissions, Jasper Engines and Transmissions is a name that stands out. With over 75 years of experience in the industry, they have become a trusted..., LQ9 Engine Codes. Collapse. X. Collapse. Posts; Latest Activity; Photos . Search. Page of 1. Filter. Time. All Time Today Last Week Last Month. ... I'm not 100% sure in 2002, you know how Indmar and MC like to do mid year changes. But, since the LQ9 is a coil on plug I would bet that's the fault. The top of that page indicates difference ..., The LQ4 6.0 truck motor from 1999 and 2000 had iron heads. The LQ4 6.0 truck motor from 2001 to 2002/03 had aluminum heads. The LQ9 6.0 truck motor from 2002/03 had aluminum heads. At some point during the 02/03 model year they made the transition to the LQ9 motor,,,but the aluminum head from the previous year LQ4 stayed the same., Now with the LS engine clearing its 20th year in production, the stock pistons appear to be impressively durable. We’ve seen a 4.8L engine produce over 1,200 hp with cast pistons so they can certainly withstand cylinder pressure. ... The main difference between a LQ4 6.0L and the more desirable LQ9 is the LQ9 has a high static …, CHEVY 6.0 Stage 3 LS swap Engine Chevy LQ9 Short Block NEW GM LS3 HEADS Custom Grind Camshaft Estimated 525 Crank HP Includes timing cover and oil pan This Engine ... Fresh 1 Turn 6.0 LQ9 block with proper compression Custom Grind Camshaft NEW GM LS3 Heads This is a high performance swap engine and comes with a 2 year parts only inspection ..., Its a 03 LQ9 with stock rods, .030 over flat top Wiseco aluminum pistons. Ive heard the bob weight of the lq9 is more then the lq4 and with the new lighter pistons i had my stock crank balanced but if i get a Lq4 crank will it have enough bob weight tobe balanced., , GM made a bazillion of them over eight years. The abundance of LM7 engines available helps keep prices down. Gen. 3 engines didn’t have AFM (Active Fuel Management) or VVT (Variable Valve Timing), so you don’t have the expense of an AFM or VVT delete kit. The heads flow similarly to LS6 heads, but have a boost-friendly 9.5:1 …, Look no further than GM's 6.0L iron block, as used in the LQ9 (and LQ4) truck engines. Featuring a 4-inch factory bore and strength to support hundreds of horsepower over stock, this Gen III block ..., 18-Feb-2013 ... Engine Questions: 1. Which engine is better LQ4 or LQ9 for a fast street car that will be towing stuff sometimes? 2. Is there a certain year ..., The General Motors LS-based small-block engines are a family of V8 and V6 engines designed and manufactured by American automotive company General Motors.First introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 million have been produced altogether, and is also considered to be one of the most popular V8 ...