Lq9 engine hp

Pick up an LQ4, they don't come with the price tag that the LQ9 does. The only difference is the pistons giving the LQ9 a higher compression ratio. An exhaust, a mild cam and a good tune will get you close to 400 hp. You can mill the heads to get the compression up to match an LQ9 if you want.

Texas Speed PRC 5.7 6.0 As-Cast 225cc Cathedral Port Cylinder Heads LS1 LS6 LS2 LQ4 LQ9 5.7L 6.0L 6-Bolt 62cc Chamber Heads TSP MSRP: Now: $2,203.19This is the ultimate LS engine swap or engine upgrade resource. ... LQ9: LQ9 Upgrade Guide: LQ9 Engine Specs: ... I have a unmolested 6.0 Ls moter in a police suburban 114,211 miles 421 hp 397 pounds of tork that I will trade for a generation 1 LS motor 5.3 with the transmission this 6.0 liter engine and transmission I have did nothing but ...Chevrolet used LS6 heads and cam in the LQ9 for the Silverado Speedway Edition prototype and got the 417 HP through I believe stock truck intake and exhaust manifolds. C/R was 10.8:1 with the flat top pistons, approximately the same as on the LS2. You can make good power just using factory parts from the General.LQ9. The Vortec HO 6000 or VortecMAX is a special high-output version of the Vortec 6000 V8 truck engine originally designed for Cadillac. This engine was introduced in other truck lines as VortecMAX for 2006. It features high-compression (10:1) flat-top pistons for an extra 10 hp (7 kW) and 10 lb·ft (14 N·m), bringing output to 345 hp (257 ...Pat and Mike coax 550-hp out of their Working Man's Bullet LS, then test their 816-hp Caprice on a high-speed road course. ... AND THEN ONTO SOME POWER PULLS. [ engine starts ] (PAT)>> THIS ENGINE FIRED UP IMMEDIATELY WITH ZERO ISSUES. AFTER A QUICK CHECK FOR LEAKS WE INCREASED THE RPM AND RAN THE ENGINE WITH SLIGHT LOAD FOR 15 MINUTES ...

For most street applications and engines in the 4.8-6.0-liter size range, the 7675-7875 turbos work very well. Their size creates a package that allows the car or truck to retain as many accessories as possible up to the 750-850 rear wheel horsepower zone," Ojczyk says. Fortifying The Engine For Boost. The LS platform is highly touted for ...The LB9 jumped back up to 205 horsepower, and Pontiac introduced a brand new V8 engine. The 350 cid 5.7L V8 that made 210 horsepower and 315 lb-ft of torque using Pontiac's TPI fueling system. In the Firebird, the V8 used the B2L engine code, but it was similar to the L98 from the Corvette and Camaro.To scan a document using an HP printer, first ensure that the computer to which you are scanning is connected to the printer, either with a USB cable or wirelessly, and that the pr...The 5.3L has quickly become the go-to engine for swaps, performance builds or just about any type of performance use. ... (4.8L-5.7L), and offered enough flow to support well north of 550 hp on ...And though the majority of people might call them Vortec engines, GM's small-block 4.8L, 5.3L, 6.0L, and 6.2L truck engines from 1997 through Gen IV are still very much members of the LS engine family. The LS1 was the first mill from GM's Gen III small-block engine platform. Then, the 385-hp LS6 made its appearance in the 2001 Corvette Z06 ...Our GM LQ9 engine needs the right ingredients to turn it into a spicy hot rod street bullet.0:00 - Intro01:10 - Power Torque Remanufactured Engines05:46 - LQ...

Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each. Part Number:HPE-LQ4-LB-1. Not Yet Reviewed. Estimated Ship Date:Jul 8, …CHEVY LQ9 Stage 2 ENGINE Our Price: $ 4,999.00. Stock Status:In Stock. Availability:: Usually Ships in 2 to 4 Weeks Product Code: LSSTAGE2. ... CHEVY 6.0 Stage 2 LS swap Engine Chevy LQ9 Long Block Custom Grind Camshaft Estimated 450 Crank HP Includes timing cover and oil pan This Engine currently has a 4 week build time.RPO L99 and LS3 cylinder heads are aluminum with 68cc combustion chambers, rectangle intake ports with 257cc runners, D-port exhaust with 87cc runners, 2.165˝ intake valves and 1.590˝ exhaust valves. These heads can be CNC-ported to improve on flow and milled for higher compression. These heads are almost the same, but the L99 heads used a ...LS1/LS6 Alum 3.890" " RATED @ 450 HP LS2 Alum 4.000" RATED @ 450 HP L92/LS3 Alum 4.065" RATED @ 525 HP LS7 Alum 4.125" RATED @ 550 HP LS9 Alum 4.065" RATED @ 635 HP C5R Alum 4.117" RATED @ 900 HP If someone can explain how and what the GM ratings are and mean and how they come to those conclusions it might help.

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A 150 cubic centimeter engine has a power output of approximately 10 horsepower. According to SI Metric, 1 horsepower equals between 15 and 17 cubic centimeters. Cubic centimeters ...Mostly. No. The 6.0L LQ4 and LQ9 are iron blocks, only difference between them is compression ration. Only real difference is pistons LQ4 had dished and LQ9 had flat tops (yes rods were different on early LQ4 and 99-00 had iron heads) Only way to tell is look at pistons or vin of donor save for 99-00 with iron heads as its an LQ4.(LQ4, LQ9) 6-2 Engine Mechanical - 6.0L Engine 2002 This Page Was Intentionally Left Blank. Engine Engine Mechanical - 6.0L 6-3 2002 Contents ... Engine Valley Cover Bolts 25 N•m 18 lb ft Exhaust Manifold Bolts (First Pass) 15 N•m 11 lb ft Exhaust Manifold Bolts (Final Pass) 25 N•m 18 lb ft ...A 900-Horsepower LQ9 Short-Block Going Together In Nine Minutes. By Greg Acosta July 24, 2018. Not everyone has had the pleasure of being in an assembly …Object moved to here.

The engine impressed everyone by ripping out 707 horsepower at 7,100 rpm, and 578 lb.-ft. of torque at 5,500 rpm. This earned the 403ci LS the nickname "Little Beast.". With carefully chosen parts and exceptional attention to detail, what started out as a run of the mill stroker kit upgrade escalated to an extraordinary 700 horsepower pump ...The 6.0L LS Engine Family. Available in everything from police cars to the Chevy Silverado, there are no shortage of six liter LS engines to choose from. Check out the table below, and if you find an LS that looks interesting, click the hyperlinks on the particular LS engine name (LQ4, LQ9, etc.) to learn more. 6.0L LS & Vortec Engine Spec GuideAre you experiencing the frustration of having your HP printer show up as offline? Don’t worry, you’re not alone. Many users encounter this issue, but fortunately, there are severa...Top 5 Ways To Waste Money On Your LS Engine Swap. 6.0 Liter. Camshafts. Cathedral-Port Heads. Intake Manifold. LS Engine. LS Swap. Performance. Rectangular-Port Heads.L33, L59, LM4, LM7, LQ4, LQ9, LR4, LS1, LS6. 228/230 duration @ .050" with .585"/.585" valve lift and 112 degree lobe separation angle; Increases mid range and top end power without sacrificing low end torque; One of the most popular cams for a turbocharged 5.3L but also works well for naturally aspirated engines[Editor's Note: This LY6 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. For a primer on the entire LS engine universe, read LS Engines 101: An Introductory Overview of the Gen III/IV LS Engine Family.] Intro to LY6 Engines. The LY6 engine came in Chevy and GMC 2500HD series trucks ...RPO L99 and LS3 cylinder heads are aluminum with 68cc combustion chambers, rectangle intake ports with 257cc runners, D-port exhaust with 87cc runners, 2.165˝ intake valves and 1.590˝ exhaust valves. These heads can be CNC-ported to improve on flow and milled for higher compression. These heads are almost the same, but the L99 heads used a ...Texas Speed PRC 5.7 6.0 As-Cast 225cc Cathedral Port Cylinder Heads LS1 LS6 LS2 LQ4 LQ9 5.7L 6.0L 6-Bolt 62cc Chamber Heads TSP MSRP: Now: $2,203.19Take a gander at our latest beast, the Golen Engine 6.0L LY6 Street/Strip Short Block. This bad boy is built like a tank for folks who want real muscle under the hood. At its heart beats a GM Factory crankshaft, famous for being tough as nails. You can bet this thing's gonna last you a long haul. We've packed it with Mahle forged pistons ...

The whole trick to making big power on a budget w/ an LS is getting it to make big power w/ a stock-ish valvetrain and heads. An LS3 ported head is capable of the power, but needs .700 lift, not possible w/ stock rockers and the cheap rollers are nothing but trouble. Other option is go LS7 head and sleeved 5.3 block.

LQ9 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.4,452. set pe enable to 0 and torque hyst also to 0. raise pe enable map to 80 kpa. set pe tps to 75%. set your engine over temp enrichment to match your pe eq ratio (gas) while tuning then change it to something richer once you get done tuning. Disable Cat Over Temp Protection or the extra fuel will cause tuning issues.Stock LQ9, except for BTR Stage 3 Truck Cam v2 (218/224 .553/.553 110+0), with valve springs to match Unknown CAI (came with the truck), but I put a new K&N filter on it DynaTech SuperMaxx 1.75" Long Tube Headers w/ 2.5" Catless Mid PipesLQ9 Engine. Jump to Latest Follow ... car craft did a buildup, something like 420 hp with headers and an intake with carb, stupid crazy stuff, a cam gave like 45 more hp, and with the big heads from gmpp and a bigger cam made something like 570 hp, without even getting into the block or rotating assembly, great engines, just gotta know how to ...ATK High Performance Engine offers quality crate engines for GM, Ford and Chrysler vehicles. Check out our site for photos, products and technical information.LQ9. Lets take a look at each item... 2006 Vortec Max 6000 6.0L Gen III V8 ( LQ9 ) ... Horsepower: 345 hp (257 kw) @ 5200 rpm. Torque: 380 lb-ft (515 Nm) @ 4000 ...LS Series LQ9 525HP Crate Engine By Proformance Unlimited. 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. Comes ready to install with the Complete Fuel Injected Unit ECM and Harness. We can also assist you in picking out the correct motor ...A LQ9 is your best bet its a 6.0 engine so it can utalize L92 heads also. I am not sure of the compression but ported LS6 heads could do wonders too. It also has the same HP and more TQ than a ls1. The 60 pounds is not a HUGE difference. everyone else is spot on with the accessories and oil pan.Stock 98K mile LQ9 6.0 with valve springs only Borg Warner S374 74mm turbo 19lbs of boost 4L80E Built By Eric at Merchant Automotive Zeeland MI ... Good tuning is definitely the key to making any engine survive high HP, especially when that engine uses stock rods and cast pistons, TJ from Baker has tuned this car from the start, and …

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LQ9 364CI 6.0L 480HP Performance Crate Engine - Proformance Unlimited. Our LQ9 364CI 480HP crate engine package can be dyno tested and ready for installation. This build features the Cast Iron LQ9/LS6 6 bolt cast iron block, LS3 style cylinder heads, and much more. We can also assist you in picking out the correct motor mount and header combo ...Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each. Part Number:HPE-LQ4-LB-1. Not Yet Reviewed. Estimated Ship Date:Jul 8, 2024if ordered today. Core Charge $575.00.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.I can be contacted through the email in my sig. EFI specialist. Advanced diagnostics, tuning, emissions. HPtuners dealer and tech support. email= [email protected]. Quick Navigation GM V8 Tuning - Engine, Gas (Gen 3) Top. I?m new to efi tuning Looking for someone I can work back and forth with to put together a base map …A stock LQ4 and LQ9 tune are nearly identical. In fact, the LQ9 uses LESS spark advance in the Low Octane table - due to its higher compression ratio. The modest difference in rated power output is a function of the difference in compression ratio, and refinements to the LQ9's cylinder heads. 03-05-2015 #4. askkmb.So, a stock 250hp 350 would make 253.5 hp with a +0.030 bore. Better than losing 3.5 hp but not a noticeable gain. And if the bore is done poorly you could lose hp. bigger bore is better, but the power is in the heads. Concentration on getting better heads first.For a 6.0L 408 build, a set of AFR 230cc cylinder heads with a 328 cfm rating and 2.080˝/1.600˝ valve combination are a good fit for the 4.030˝ bore. Many builders view the four bolts per cylinder as a drawback of the LS, especially when the small block Chevy had five bolts per cylinder.It can be considered the replacement for the Generation III LQ9 engine. It produces 367 hp (274 kW) at 5400 rpm and 375 lb⋅ft (508 N⋅m) at 4400 rpm. Production of the truck-spec L76 started in late 2006, and it was only available with the new body style Silverado and Sierra, as well as the then-new Suburban.6.0, LQ4, LQ9 Cast Iron Block Rotating Assemblies, 365-414 cu.in. Butler-LS - 6.0, LQ4, LQ9 Cast Iron Block Rotating Assemblies, 365-414 cu.in. ... We work with many top quality engine and machine shops across the country and will be glad to work with yours. Here at Butler our main concern is that you end up with the engine you desire.The 6.0L LS Engine Family. Available in everything from police cars to the Chevy Silverado, there are no shortage of six liter LS engines to choose from. Check out the table below, and if you find an LS that looks interesting, click the hyperlinks on the particular LS engine name (LQ4, LQ9, etc.) to learn more. 6.0L LS & Vortec Engine …We offer 370, 408, and 421 CID LQ9 packages with power ranging from 520 HP all the way up to 625 HP. All of our 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. Give us a call today to get a ... ….

LQ9 6.0L --Gen III With 345 HP and 380 lb-ft. of torque, the 6.0-liter LQ9 Gen III V-8 uses the proven Gen III architecture to provide robust performance. It features a sturdy iron block, but like the aluminum-block versions, the LQ9 has a deep-skirt, six-bolt-main block,with structural oil pan and other carefully engineered features to help ...The LS364/450 Crate Engine is a long block engine & builds the foundation for car enthusiasts looking ... 452 HP @ 5600 RPM ... Engine Type: Performance LQ9 long ...Our 5.7-liter head test bumped the average power by 9 hp but lost a small amount of torque in the process. ... fuel-injected crate engine that is probably underrated at 525 hp and 475 lb-ft of ...Here is the vehicle / engine information: VEHICLE INFORMATION Make: Chevrolet Model: Camaro Year: 1969 Weight: 3500 lbs. Axle Ratio: 3:73 Transmission Type: Manual Overall Tire Height: 26.1 Torque Converter Stall Speed: N/A ENGINE INFORMATION Engine Block Type: Chevrolet Engine Family: LS 6.0 LQ9 2004 Engine Size: 364 c.i.LQ9: Multec: 17113698. 25317628. 25.2 lb/hr @ 58 psi: LM4: Multec: 17113698. 25317628. 25.2 lb/hr @ 58 psi: L33: Multec: 17113698. 25317628. 25.2 lb/hr @ 58 psi ... Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to ...Apr 13, 2021 · Under the hood of 2007-2009 Chevy and GMC 6.0-liter V8 equipped vehicles, you’ll find the LY6 engine. It has a power output of 363 horsepower and 383 lb.-ft. of torque and is found in the following vehicles: 2007-10 Chevrolet Silverado 2500 HD, 3500 HD. 2007-10 GMC Sierra 2500 HD, 3500 HD. Sep 2007. Posts. 2. The dished pistons are -6.7cc. The stock L92 heads are 68.4cc. I know the car mags say 70cc but they are wrong. I am putting in Cometic .030 (stock .052) head gaskets and I will have a 10.1 ratio. Hey guys, I need some help putting together a combo for 500 hp from an LQ4. I was going to do the carb thing but I *may* …In essence, this 6.0 was an LQ9 or LS2 equipped with high-flow LS3 heads. Run on the dyno with a Holley HP Management system, long-tube headers, and a Meziere electric water pump, the LS produced 480 hp at 6,000 rpm and 472 ft-lbs of torque at 4,800 rpm. ... Run with an LS9 cam, the short-stroke turbo engine produced 701 hp and 598 ft-lbs of ...Street Rod Jim discusses the best LS engine to build for horsepower. Hot Rod Engines https://bit.ly/SRJhrenginesHow To Rebuild An LS Engine Books https://... Lq9 engine hp, The L76 is a Gen. IV engine based off the LS2, which was also produced both as a car engine and a truck engine. came in Chevy and GMC trucks and full-size SUVs from 2007-09, and was equipped with a truck-specific accessory drive. The L76 truck engine makes 376 horsepower and 375 foot-pounds of torque right from the factory on 87 octane fuel ..., The LQ9 engine forms part of the third generation of the LS family. It is a 6.0L iron-block truck engine. For its performance specifications, its compression ratio is 10.1:1. The LQ9 horsepower rating is 345 hp, and the torque rating is 380 ft/lb., Get the best deals on Complete Engines for LS when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your ... 427 LS Next Magnuson Supercharged Turn-key Crate Engine Dart Holley 1000+HP. Brand New: Chevrolet. $24,555.00. 344 watching. 99-00 Chevy Corvette C5 LS1 5.7L V8 Engine 82K Miles (Please See Photos ..., A 150 cubic centimeter engine has a power output of approximately 10 horsepower. According to SI Metric, 1 horsepower equals between 15 and 17 cubic centimeters. Cubic centimeters ..., The LQ4 and LQ9 have very strong blocks. They can handle over 1,000 hp. using nitrous, a blower, or a turbo. However, you will need to upgrade the internals to handle that kind of power. Changing pistons and/or cylinder heads will allow you to change the compression ratio. (You may need to lower the compression to run with boost.), This is really the limits of a "street'able" cam in a 5.3L Vortec Truck engine IMO. The 5.3L just doesn't respond well to larger duration / larger lift cams - the cubic inch just isn't there to utilize it. The stock heads, intake manifold, and 78mm throttle body just won't flow enough air to make much more HP natural aspirated., This engine was designed to be a performance upgrade for LS based vehicles or perfect for a swap in a hot rod. For optimal performance, you will need headers, chassis dyno tune, and 36 lb. injectors. Horsepower: 460 hp. Torque: 470 lb.-ft. Block Information: OE LQ4/6.0L Iron. Bore/Stroke: 4.040 in. x 3.622 in. Displacement: 6.0L., Jun 16, 2005 ... The customer decided to get a tune, and we eventually made 441HP out of a cammed LQ9 engine. I'm not sure what cam that was, I'll find ..., 408 LQ9 Budget Engine Build - Finance-Friendly 408, Part 2. Buttoning Up Our Garage-Built LS Stroker And Heading To The Dyno With Hopes Of Unleashing 600+ Horsepower. Chris Werner Writer Scott..., 370ci LQ9 LS Turnkey Stroker Crate Engine 500+HP Carb MSD Ignition. Opens in a new window or tab. Brand New. $10,999.00. prestigemsports (384) 97.4%. Buy It Now. Freight. 10 watchers. 02-06 CADILLAC 4X4 Escalade LQ9 Engine Wiring Harness 6.0 with ECU and fuse box. Opens in a new window or tab. Pre-Owned. $200.00., LQ9, Long Block Crate Engine Type, Oil Pan Included. This 364 cu. in. LS engine produces a total of 450 horsepower. Has an exceptional horsepower and broad torque band and is fuel injection capable. Pistons are made from hypereutectic aluminum and connecting rods from powdered metal. Has a total valve lift of .550 intake / 0.550 exhaust., The LQ4 (4.8 liter, 293ci) is the smallest LS ever produced. It shares its iron block with the 5.3-liter engine and even has the same 3.78-inch bore size. The drop in displacement comes from a ..., The 5.3L has quickly become the go-to engine for swaps, performance builds or just about any type of performance use. ... (4.8L-5.7L), and offered enough flow to support well north of 550 hp on ..., So, a stock 250hp 350 would make 253.5 hp with a +0.030 bore. Better than losing 3.5 hp but not a noticeable gain. And if the bore is done poorly you could lose hp. bigger bore is better, but the power is in the heads. Concentration on getting better heads first., The Vortec H.O. 6000 gives Escalade and EXT class-leading power at less cost to the customer than competitors' overhead cam engines. In short, the 6.0L LQ9 is a premium engine befitting a premium brand. The Vortec 6000 delivers maximum durability with minimal maintenance. A steel camshaft provides excellent durability., Find ATK High Performance GM 365 LQ9 550 HP Stage 1 Long Block Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing! ATK High Performance GM 365 LQ9 550 hp Stage 1 long block crate engines offer streetable horsepower producing big mid- to upper-end power with a noticeable idle. ATK Stage 1 or base engines are designed for those that may have their own component parts ..., 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 LQ4 and LQ9 have very strong blocks. They can handle over 1,000 hp. using nitrous, a blower, or a turbo. However, you will need to upgrade the internals to handle that kind of power. Changing pistons and/or cylinder heads will allow you to change the compression ratio. (You may need to lower the compression to run with boost.), Quick Navigation GM V8 Tuning - Engine, Gas (Gen 3) I have a LQ9 with the 2002 PCM and read about the 400hp 440tq tunes with just headers but I can not find any of them to view what they are changing to get those numbers. Ignition timing and maybe WOT fuel tables I would guess. HP tuners is new to me and I bought the system to take off the Anti ..., The 01-up LQ4 6.0L used the 12561721. The 02-up LQ9 6.0L also used the 12561721. Factory Camshaft specs are: 12560967 191/190 duration at .050 0.457/0.466 lift on a 114 Lobe center. 12561721 196/207 duration at .050 0.467/0.479 lift on a 116 Lobe center. Now to adress the 5.3/4.8 Since it was mentioned also... , 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., Are you experiencing the frustration of having your HP printer show up as offline? Don’t worry, you’re not alone. Many users encounter this issue, but fortunately, there are severa..., 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 …, LY6. The LY6 was introduced in 2007. It replaced the LQ4 and LQ9 as the Vortec 6000. Along with the LY2, LY5, and LMG, it was one of the first 4th generation, LS truck engines. The LY6 used Variable Valve Timing (VVT). This helped it make more Torque and Horsepower than the previous 6.0L engines. It was available in GM pickups until 2010., The two with the most potential though were the LQ9 and LY6 engines. The LQ9 was an improved version of the LQ4. The LQ9 ran higher compression and featured flat-top pistons. ... That said, it made the same amount of power and torque at 345 HP and 380 lb-ft. When you compare the LQ9 and the LY6 engine, it was the latter that has a slightly ..., 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 ..., Buy 6.0L High Performance Engine Rebuild Kit | E-1840-P Stage 2 Sloppy HP Camshaft | Flat Top Pistons | Compatible with Chevrolet GM LS 364 6.0L 6.0 | LQ4 LQ9 LS2 L76 LY6 L98: Camshafts - Amazon.com FREE DELIVERY possible on eligible purchases, lq9 500 hp. i just picked up the engine n tranny last night, but as many others b4 me it seems to be a lq4. i pulled the spark plug to check if the piston top was dished or flat but as i ran a screw driver over the top it kinda felt dished but on another board somebody had posted some pics of their flat lq9 pistons vs the dished lq4's and the ..., These will be found on the front of the engine, underneath the driver's side cylinder head, to the right of the water pump, as shown in the attached pictures. If it's a Gen 3 engine, with an iron block, and a truck intake manifold, with a 4.8/5.3 stamped on the block, it's either a 4.8L LR4 engine or a 5.3L LM7 or L59 engine. There's no ..., 2WD model receives Vortec High Output 6000 6.0L V98 (LQ9) engine with 345 horsepower (257 kw) (midyear) OnStar Gen 6 hardware with enhanced hands-free capability. Model Lineup. Engines. Transmissions. Vortec H.O. 6000 6.0L V-8: Vortec 5300 5.3L V-8: 4-spd auto (Hydra-Matic 4L60-E heavy duty) ..., LQ9 Ls Engine made 500 hp 464 pounds a torque. Doug Mascaritola · Original audio, Guys saw this post of sand car engine build with dyno run and I am building similar set up for street application. "408 LQ9 / GM 1.9 LSA Dyno to tune on 91, 11:1 engine First pull stock ctsv lower crank pulley and the upper 2.55 it made 3 or 5lbs of boost not impressive. Change the lower out and underdrive it by 7%. With the 2.55 and the 8-7/8 lower it made 660rwhp at 6400 rpm / 675rwtq at ..., I tear down the stock Lq9 6.0 out of my RCSB Silverado. do some at home machine work. and then build it out with forged rods and pistons, ported heads, big c...