Lq9 engine hp

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 ...

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+ HorsepowerDetails. Overview. Vehicle Fitment. Graphs. Reviews. Q & A. Gen IV Block. ATK Core Return Process. JEGS and ATK appreciate your business and want to ensure that your …Bolted to a junkyard 6.0-liter LQ9 truck short-block with a stock LQ9 cam and 9.5:1-compression cast pistons, the EQ CH364X heads made 398 hp at 5,500 rpm with the Holley single-plane LS7 intake ...Comp's fourth most popular cam, the 277LR HR-113, idled at only 10.75 inches in our 6.0L test engine. With the stock GM LQ9 truck short-block and stock cast pistons with shallow valve reliefs ...Gen III 6.0L Bare Block. Direct replacement for Gen III Block LQ4 & LQ9. Production cast iron block. Production oiling system. 6-bolt main bearing caps. 4.000" finished bore (101.60mm) 9.240" deck height. See more product details. Currently unavailable.

The LQ4 engine displaces 6.0 liters (364 cubic inches), while the LQ9 engine has a displacement of 6.2 liters (376 cubic inches). What is the difference between the LQ4 and LQ9 engines when it comes In Horsepower And Torque? The LQ9 engine produces more horsepower and torque than the LQ4 engine.Posted November 15, 2003. The LQ9 head has a D-port exhaust, and flows better on both the intake and exhaust. It is the larger chamber version of the ls-6 cylinder head. The LQ4 head is the large chamber (71cc) version of the ls-1 head (66cc). I have a 2001 GMC Denali pickup. The main difference between it and the SS is the cylinder head.Sep 25, 2016 · The Gen III engine many automotive enthusiasts desire is the 6.0-liter and it comes in two varieties. The GM names for these two engines are the LQ4 and LQ9. The LQ9 engine is the high-performance 345-hp version that was first available only in the Cadillac Escalade. The 300-hp LQ4 is available in many full-size Chevy and GMC trucks and SUVs. This is an LQ9 based engine with LS3 Aluminum heads making a very streetable 550HP+. Expect big mid to upper end power, will have a noticeable idle. ... LSXceleration 500HP 347CI 5.3L LM7 Long Block w/ CNC Cathedral Port Heads By ATK Engine Specifications:• HP: 500• TQ: 450• Block: OE LM7 5.3L Gen IIILQ9 6.0 SBE 821 LS3 heads Stock LS3 intake/inj w/ 92mm TB.575/.575 220/224 112 LSA cam 1-7/8" headers w/ 3" mandrel exhaust 3.54 gear 25.7" tire Face plated TKO 600 5 speed .064 OD Makes about 420-430whp currently It isn't a dig car. I mainly roll because I am not big on trashing u-joints, driveshafts and these brittle D44 IRS rear ends.Both modifications will help improve the horsepower to 375 hp and 425 hp, respectively. A lower price of $700 can get you a 375 hp LQ4 engine block, whereas you will have to spend as much as $1000 to get 425 hp, the same cost of getting an LQ9 engine block. You can expect to spend between $1000 - $1800.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 ...

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.Too much? Nah. GM Performance built the LQ9 to use all of its cubic inches to produce 345 HP and 380 lb.-ft. of torque. It's a 6.0 Liter powerhouse. LS engines are all good performers used in the Cadillac Escalade AWD. Built on a sturdy iron block with 6 bolt main caps, the LQ9 will last for a long time to handle what you dish it. LQ9 engines are torque …See full list on roadsumo.com Long-Block Parts Total (Includes Short-Block Parts): $6,904. Machine Work Total: $925. Total Additional Parts To Complete "Crate Engine": $2,524. Tools & Miscellaneous Total: $371. Before getting ...CNC LS 408 Short Block, Callies Crank, 9.5:1 Wiseco Pistons. $5,699.95. Add to Cart. LQ9 LQ4 LY6 L96 LS2 6.0L 408, GM Cast Iron Block, Callies Compstar 4.000 Crankshaft, Callies Compstar 6.125 H Beam Rods with ARP 2000 Bolts, Wiseco Pistons -20cc Dish, Fully Machined, Blue-printed and Assembled. Learn More.

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The LQ9 is known for its reliable 345 horsepower rating, while the LQ4 has a slightly lower output of 300-325 horses depending on modifications made to the internals of the engine. Both engines have become popular choices among car builders due to their robust design and ability to withstand high levels of stress without compromising ...Check out Proformance Unlimited's complete line of LQ9 turn-key crate engines! 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 ...There were two versions of this engine: LQ4 and LQ9, the latter being more performance oriented. 6.0 L The ... LS7 can also refer to a 454 over-the-counter 460+ hp high compression engine Chevrolet Big-Block engine of the 1970s 7.0L LS7 engine in a 2006 Chevrolet Corvette Z06. The LS7 is a 7,011 cc (7.0 L; 427.8 cu in) ...The GM 6.0L 366ci Engine was engineered for Chevy/GMC's sport cars, 3/4-ton and 1-ton trucks, SUVs, and vans with an L96/LY6 engine code. These engines feature a cast iron blocks with 9.6 to 1 compression ratios. Tested to withstand vigorous conditions and back by GM warranty. GM Warranty. 6.0L 366 Truck Engine.

LQ9. LQ9 is a 6.0L 3rd Gen small block engine used in GM vehicles from 2002-2007. The model was later replaced by LY6. Like LY6, the engine was marketed as Vortec 6000 and Vortec MAX. The engine produced decent horsepower and torque, making it a preferred choice for loading vehicles, big-size SUVs, and trucks. It was also heavily upgradeable in ...This rotating assembly kit will support 850 horsepower out of the box, added ARP 2000 rod bolts will raise the horsepower to 1200 maximum horsepower rating. Kit fits GEN III 6.0L Vortec 6000, LQ4 LQ9, GEN IV 6.0L LS2 L76 L98 L77 LY6 L96 Eagle forged steel crankshaft, LS 4.000 Stroke 24 Tooth Reluctor2004 CHEVY SILVERADO 6.0 LQ9 ENGINE TRANS 4L65E PULL OUT 2WD LS1 LS2 LS6 LQ9. Opens in a new window or tab. Pre-Owned. $4,750.00. ... Engine Block Chevy LQ4 6.0L 366 Cubic Inch 460 Horsepower 470 Feet Pound. Opens in a new window or tab. Brand New. $5,999.00. cstreet_supply (1,766) 100%. Buy It Now.ATK SP19-F Chevy LQ9 6.0L Short Block OE Flat Top Pistons. $ 3,199.00. Lead Time: Estimated: 4 - 6 weeks. Add to cart. This will also add the following products to your cart: $370 Core charge - $370.00. Add to wishlist.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 …LS2 and LQ9 blocks feature a 4.000-inch bore and accept heads designed for LS1, LS6, LQ9, L92, LS3, and LS9 engines. Other considerations involved in selecting the best cylinder head for your application include the weight of the vehicle, camshaft, intake manifold, exhaust system, transmission, gear ratio, drive tire diameter, and intended use.The engine block was made out of iron while the heads were an iron-aluminum mix. The LQ9 (N) was added in 2002 and was produced until 2007. It delivers more power and torque than the LQ4 - 345 horsepower at 5200 RPM and 380 foot-pounds of torque at 4000 RPM. The engine block is made of iron while the heads are aluminum. IV Generation 6.0 VortecSince boost is the great multiplier, it doesn't take much for a 548-hp engine to start making some serious power. Run at 14.4 psi, the twin-turbo 6.0L produced 1,078 hp. At 16.0 psi, it made 1,150 ...6.0 LQ9 with cam need tune help. I have a 6.0 LQ9 in my rear engine dragster so its not like I can drive it around and tune it. This is what I have 6.0 LQ9 with stock truck intake and injectors, 595. 598 lift cam 218.228 @ 50. 113 lobe sep. I was wondering if someone had a tune that could get me going.LQ9. LQ9 is a 6.0L 3rd Gen small block engine used in GM vehicles from 2002-2007. The model was later replaced by LY6. Like LY6, the engine was marketed as Vortec 6000 and Vortec MAX. The engine produced decent horsepower and torque, making it a preferred choice for loading vehicles, big-size SUVs, and trucks. It was also heavily upgradeable in ...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.Whipple's kit adds 200 hp and pushes 7-8 PSI, whereas the Vortech kit adds 115 hp and runs less boost. The Whipple kit is also CARB approved, but the Vortech kit is not. Performance Mods Summary. Overall, the Chevy 6.0 Vortec is a very reliable and sturdy engine that can produce some serious power.

May 3, 2009 · 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 (7.5 kW) and 10 ft·lbf (14 N·m), bringing output to 345 hp (257 kW) and 380 ft·lb (515 N·m). LQ9s are built only in Romulus, Michigan. GM also listed it as based on LS architecture.[1] LQ9 Applications:

LQ9 / 6.0 Liter – VIN N, 2002-2007 – 345 HP / 380 TQ, Cast-Iron Block / Aluminum Heads (Cathedral Port), 4.00” Bore × 3.62” Stroke. ... Camshaft specifications varied depending on the year and RPO code of the engine. Horsepower ranged from 270–320 HP and torque ranged from 315-340 TQ. Depending on the year and RPO as well.Chevy LS/LQ9 Series Crate Engines . ... 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 ...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 ...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.With a cam L92 heads and intake and a good tune you will be right around 450 hp. Should cost you a little over 1k to do.4 posts · Joined 2016. #1 · Jan 23, 2016. Hello all, I'm new to the site and I would really appreciate some input on how I can gain more hp out of my lq9 6.0L engine. Currently the engine has a a comp cam (ls1 MS4) also known as the magic stick. It has long tube headers leading into an x-pipe then into one chamber flow master exhaust.Too much? Nah. GM Performance built the LQ9 to use all of its cubic inches to produce 345 HP and 380 lb.-ft. of torque. It's a 6.0 Liter powerhouse. LS engines are all good performers used in the Cadillac Escalade AWD. Built on a sturdy iron block with 6 bolt main caps, the LQ9 will last for a long time to handle what you dish it. LQ9 engines are torque monsters and run smooth.Comp's fourth most popular cam, the 277LR HR-113, idled at only 10.75 inches in our 6.0L test engine. With the stock GM LQ9 truck short-block and stock cast pistons with shallow valve reliefs ...

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If you have any questions concerning your engine, please feel welcome to contact Indmar Customer Service at (901) 353-9930 or E-Mail us at [email protected]. You can write us at Indmar Products Company, Inc., 5400 Old Millington Road, Millington, Tennessee 38053. On the Web, go to our site at www.indmar.com.6.0 LQ iron block engine build will see 700hp with big cam, L92 heads and LSA supercharger and other bolt on upgrades. Parts Links:LS Engine Lift Plate: http...This rotating assembly kit will support 850 horsepower out of the box, added ARP 2000 rod bolts will raise the horsepower to 1200 maximum horsepower rating. Kit fits GEN III 6.0L Vortec 6000, LQ4 LQ9, GEN IV 6.0L LS2 L76 L98 L77 LY6 L96 Eagle forged steel crankshaft, LS 4.000 Stroke 24 Tooth ReluctorMD: The '01 and later LQ4 truck engine with aluminum heads gives you 360 hp and six-liters of displacement, with an iron cylinder block. The cylinder heads and the ports are the same as those on ...Adding an extra 1 bar of boost (actually 14.4 psi), the twin-turbo 6.0L produced 1,078 hp and 869 lb-ft of torque. Stepping up near 2 bar of boost (3 bar total or 29.2 psi), the power output of ...The stroker LS3 was then equipped with a FAST LSXR intake, matching 102mm throttle body, and 89-lb/hr injectors. So equipped, the naturally aspirated 408 produced 552 hp at 6,100 rpm and 529 lb-ft ...We stock a second-hand genuine GM LQ4 Block (Gen 3 6.0L). These are cast iron variant of the LS engines. Ideal for high HP applications. Being a Gen 3 6.0L it has the sensors in the same locations as a VT-VZ 5.7L. These blocks are suit rebuild and come with a guarantee to be serviceable. Inspections welcome.6.0 LQ9 Master Engine Rebuild Kit | Flat Top Pistons | OEM style 3-bolt Cam | Fits 2002-2003 Chevrolet Cadillac 6.0L VORTEC LQ9 LS Escalade Silverado Suburban (0 review) $ 799.00ATK LQ9-LB-1 Chevy LQ9 365CI/6.0L Base Engine 550HP. This is an LQ9 based engine with LS3 Aluminum heads making a very streetable 550HP+. Expect big mid to upper end power, will have a noticeable idle. For optimal Performance you will need headers, chassis dyno tune and 36lb injectors. Your engine may not necessarily come with all …I have been looking at an 05 X-45 that is advertised as having a "6.2 litre 385 hp Cadillac engine" in it. I'm assuming that it is actually the LQ9 engine which is a 6.0 liter? Was there ever a 6.2 put in 45's of that year? Also, how is that engine for low-end torque? ... I really like the LQ9 motor in my '05 X45 with a 14.25 x 14.75 prop from ...Instagram: @tyrefryer95 Merch: https://tyre-fryer.com/Music provided by RockSounds; https://youtube.com/channel/UCDCrpV76YhBzQkOSrvnRa1ALS9 Head Gaskets; Bri... ….

The standard 6.0L Vortec had LQ4 and LY6 engine codes, while the Vortec MAX used the LQ9 engine code. In late 2006 the LQ9 variant 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 ...The Vortec 6000 L76 is a Generation IV aluminum small block V8 truck engine and features variable cam phasing, along with Active Fuel Management. It can be considered the replacement for the Generation III LQ9 engine. It produces 367 hp (265 kW) at 5400 rpm and 375 ft·lb (495 N·m) at 4400 rpm. Production started in late 2006. L76 applications:HP ink is one of the most popular printer ink brands on the market. With its wide range of products, HP offers a variety of customer service options to help customers get the most ...2005-10 Mopar Gen. III 6.1L Hemi Engine Guide: Bore & Stroke, Cylinder Heads, Cam Specs & More.How much horsepower does an LQ9 6.0 have? The 3rd generation LQ9 6.0L engine is endowed with a whopping 345 horsepower and 380 ft-lbs torque output …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.Hi Performance Lucas Oil Products Inc. presents Lowrider Garage 5.3 Engine Swap. Since we are always talking about how economically sound these GM 5.3 LQ9 Engines are as an investment, we wanted ...But no matter, your LQ9 is the gold standard of solid GEN 3 builds. You are going to have to get those LS6 heads ported, a good shop is West Coast Cylinder Head. Richard is the guys name. ANd they even have a swap out for your exact 317 head 250cfm to just over 300cfm. For $1500 exchange, $1800 outright. Pricing.2004 CHEVY SILVERADO 6.0 LQ9 ENGINE TRANS 4L65E PULL OUT 2WD LS1 LS2 LS6 LQ9. Opens in a new window or tab. Pre-Owned. $4,500.00. ... 370ci LQ9 LS TURNKEY Stroker Crate Engine 450+HP Carb MSD Ignition. Opens in a new window or tab. Brand New. $10,999.00. prestigemsports (385) 97.3%. Buy It Now. Lq9 engine hp, Here is a common question among LS engine enthusiasts: My buddy, Joe, just bought a new cam for his 6.0L and wants to get rid of his factory LQ9 cam. ... (49 hp) 6,500 +73 lb-ft (91 hp) LQ9 vs ..., 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/LQ9 Block and a proven 4340 Forged Steel Crankshaft., Check out 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 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., Some engines (like the LS7) even had forged steel cranks for high horsepower with even greater reliability. Though Gen III/IV crankshaft stroke, counterweight design, and material varies between engines, all main and rod bearing journals are a common size across the LS engine family (2.558 and 2.099 inches, respectively), enabling one crank to ..., 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.), Hydraulic Roller lifters. Timing chain set. Melling Oil pump. LS3/L92 Rectangle Port Aluminum Performance Cylinder Heads. 2.165 Pro Series Intake Valves. 1.590 Pro …, It is a dedicated CNG (compressed natural gas) and LPG (liquid petroleum gas, vans only) version of the L96 engine. Displacing 6.0 liters in a V8 configuration, the LC8 is part of the Vortec ..., 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 ..., LQ9 Truck Engine - Blown Alky LS ... On average, the tight-LSA cam was worth 7.3 lb-ft and 9.3 hp. The engine's new peak 540.7hp and 457.-lb-ft output represented a gain of 1.9 and 4.8 numbers ..., ATK High Performance GM 365 LQ9 550 HP Stage 1 Long Block Crate Engines. 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 already, and who ..., Nov 10, 2021 · Both modifications will help improve the horsepower to 375 hp and 425 hp, respectively. A lower price of $700 can get you a 375 hp LQ4 engine block, whereas you will have to spend as much as $1000 to get 425 hp, the same cost of getting an LQ9 engine block. You can expect to spend between $1000 – $1800. , Mar 4, 2024 · One major advantage of this engine build is the significant uplift in torque and horsepower, providing an exhilarating performance profile suitable for street or track use. The 408 Stroker build not only enhances the driving experience but does so in a way that respects the budget constraints many DIY builders encounter. , The use of a smaller chamber (64cc versus 71) hikes the LS2 compression ratio to 10.9! So, the LQ4 makes the least power (300 to 325 hp depending on RPO). The LQ9, with its higher compression and slightly different tune makes 345 hp. The LS2 with its smaller chambers and more aggressive cam makes 400 hp., A standout thing about this engine is its performance, with an output of 345 horsepower and torque of 380 ft./lbs. It owes the figures to its high-compression flat-top …, 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 LQ4 engine displaces 6.0 liters (364 cubic inches), while the LQ9 engine has a displacement of 6.2 liters (376 cubic inches). What is the difference between the LQ4 and LQ9 engines when it comes In Horsepower And Torque? The LQ9 engine produces more horsepower and torque than the LQ4 engine., 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 …, LQ9 - This 6.0L small-block engine was also known as the Vortec HO 6000 or VortecMAX. It was used in General Motors trucks between the years 2002 and 2007. It is capable of making 345 horsepower and 380 ft./lbs of torque. ... The Vortec 6.0 L77 engine variation can make 362 horsepower and 391 ft./lbs of torque. ..., It is a dedicated CNG (compressed natural gas) and LPG (liquid petroleum gas, vans only) version of the L96 engine. Displacing 6.0 liters in a V8 configuration, the LC8 is part of the Vortec ..., [Editor's Note: This LSA 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 LSA Engines. The LSA is a supercharged, Gen. 4, 6.2L, aluminum block ..., 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://..., Apr 19, 2010 ... Good tuning is definitely the key to making any engine survive high HP, especially when that engine uses stock rods and cast pistons, TJ ..., The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for the stock LQ4 engine. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family ..., The Cheverolet 283 small-block engine was first produced in 1957, generating between 185 and 283 HP, and maxed out at 315 HP in 1961. This engine became famous as the basis for lar..., The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for the stock LQ4 engine. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family ..., What sounds fishy about a 440hp LQ9 with a tune and cam. Remember this is on an engine dyno. Figure the engine is putting out about 345fwhp from GM (on this particular dyno, I know it reads a bit low) I get about 57hp from the LQ4's on the dyno, 311fwhp stock --> 368fwhp tuned. I haven't proven a stock LQ9 yet, but let's say it puts out 340fwhp., 435 HP / 425 lb. ft. TQ 6.0L LQ9. The 435 HP engine is equipped the same as Special #4 plus! This is how we make 435 HP: The stock 6.0L LQ9 engine with 10:1 CR makes 345HP . The Z06 designed heads receive hand ported runners and bowls plus they receive a 3-angle valve job +25HP . A new Z06 Hi Perf cam and valve springs +35HP, 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., LQ9 Truck Engine - Blown Alky LS ... On average, the tight-LSA cam was worth 7.3 lb-ft and 9.3 hp. The engine's new peak 540.7hp and 457.-lb-ft output represented a gain of 1.9 and 4.8 numbers ..., [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 ..., Chevy LQ9 Engine Specs ; Upgrading the LQ4 and LQ9 Engines; Benefits. Both these engines are strong and durable. Many people use them with boost or nitrous. With upgraded internals, the block can handle over 1,000 hp. The down side is the weight. At 216 lbs., the block is about 100 lbs. heavier than the aluminum LS1 block., 1000+ hp LQ4 engine and turbo. For those of you not familiar, the LQ4 and LQ9 are the iron block versions of the LS2 engine used in trucks. They are the ONLY choice for engine builders going over 700 hp as they are much stronger than the aluminum block of the LS2. That said, the whole engine even with an iron block still weighs significantly ..., Last updated on 12/29/2021. The LS9 is a Gen. 4, 6.2L, aluminum small block engine used in GM cars between 2009 and 2013. The information listed here is for a stock LS9 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 ...