Head: 1997+ LS1 5.7 Litre Passenger Car Material: Aluminimum Part Number: 12558806 (1997-98) 12559853 (1999-00) ... Casting Number 706 Head: 1999+ LR4 4.8 Litre Truck 1999+ LM4 /LM7 5.3 Litre Truck Material: Aluminimum Part Number: 12559852 12561706 Combustion Chamber Volume: 61.15cc Compression Ratio: 9.5:1 Intake Port Volume: 200cc Exhaust ...This program works on the following head casting numbers: 821. 823. 716. Now you can get this porting service on your cylinder heads at an incredibly low cost! Simply follow this procedure: Remove the cylinder heads from your car. Disassemble cylinder heads to completely bare condition. Wash cylinder heads.IIRC, only the very first LQ4s from the 2000s era had cast iron 317 heads. General consensus is the 706/862's flow well enough to support over 450hp NA. A good street cam and TBSS intake should get you close to 450, but you're going to be hard-pressed to hit 500 with a NA 5.3.The LH8 is a 5.3L Gen. IV aluminum block engine truck engine that appeared in 2008-09 GM trucks, including the Hummer H3, Chevy Colorado, and GMC Canyon. The engine specs and information listed here is. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac ...HEAD LS 706/862 ASSM. Part Number: 723-LS706N. Product Q&A. View Now. $532.86. Lowest Price Guarantee. See more product details. Free Shipping - Estimated to ship direct from manufacturer on 03/25/24 , pending manufacturer availability. Learn More.Summit Racing™ Precision Cast Cylinder Head SUM-162LS210CATH. Chevy LS Cylinder head, 210cc Cathedral port Intake Runner, 64cc Chamber, 2.02 Intake Valve 1.6 Exhaust Valve, 3.898+ bore sizes, Max .600 Lift Ea. Part Number: SUM-162LS210CATH. ( 1 ) Estimated Ship Date: Today.Dyno Review - Cammed 6.2l LS, 706 Heads | 12:7:1 CompressionCheck out the rest of our channel for dyno videos, tech, videos and more. We are a shop that desi...Windows only: Planning an upgrade soon? Save yourself the web searches for your specs and download Speccy. Speccy does a quick scan of your machine and gives you a complete rundown...The 241 castings feature 205cc intake ports, 70cc exhaust ports, and a 2.0/1.55 valve combination. The hot factory heads would be the LS6 (243 castings), but even the stock LS1 heads can be made ...No Upgraded Valve Springs. Chevrolet Performance - LS7 Spring Pack w/ Retainers, Seals. $ 650.15. Brian Tooley Racing - .685" Lift Valve Spring Kit with Titanium Retainers for LS7 Engines (SK702) $ 359.00. PSI - Beehive Spring Pack, .625" Lift (1511ML) with Titanium Retainers. $ 470.00.The first has to do with port shape. The LS6 and the later LQ9-LQ4 heads used reshaped intake ports and D-shaped -- as opposed to oval-shaped -- exhaust ports for better flow: 200 cfm intake and 70 cfm exhaust for the 241's, and 210 intake and 75 cfm for the 243's. The second major difference is that the LS6 heads used hollow, sodium-filled ...Thank you Headflowinc for pointing out the correct Mahle head gaskets I needed for this build. I could have used the others I bought but I fear the larger fi...Casting Number 706 Head: 1999+ LR4 4.8 Litre Truck 1999+ LM4 /LM7 5.3 Litre Truck Material: Aluminimum Part Number: 12559852 12561706 Combustion Chamber Volume: 61.15cc Compression Ratio: 9.5:1 Intake Port Volume: 200cc Exhaust Port Volume: 70cc Intake Valve Diameter: 1.89 inches Exhaust Valve Diameter: 1.55 inches 852 heads 61.15cc Chamber VolumeCylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Chevrolet, LS, Each See More Specifications | Check the Fit. AFR 210cc LS1 Enforcer Cylinder Heads 1501 AFR-1501. 5 out of 5 stars. Part Number: AFR-1501. Estimated Ship Date: Tuesday 5/28/2024. ... AFR 210cc LS1 Enforcer Cylinder Heads.706/852/862 —1999-and-up 4.8 and 5.3 truck heads: 61.15cc. 035/317/873 —1999-and-up LQ9 and LQ4 6.0 truck heads: 71.06cc. 799 —2005-and-up 4.8 and 5.3 truck heads; these are... See moreDyno Review - Cammed 6.2l LS, 706 Heads | 12:7:1 CompressionCheck out the rest of our channel for dyno videos, tech, videos and more. We are a shop that desi...HOW TO BOLT ON 73 HP TO YOUR LS! DO PORTED HEADS ADD POWER? SHOULD I USE PORTED STOCK LS HEADS OR AFTER MARKET LS HEADS? SHOULD I UPGRADE MY LS HEADS? HOW MU...Max lift for the 4.8 with 706 heads??? 215/231 with a .631/.644 lift @ 118lsa. If I have the .650 dual valve springs, retainers, and pushrods will this cam work, or will I have to get a better intake to see the power. LSA should be a good street cam or turbo cam right?This also means that they are usually cheap to collect or replace. 706 heads tend to be more popular than 243 heads with those who run naturally aspirated engines. While they don't have the same size combustion chamber they also don't have the tendency to lower the compression ratio and reduce horsepower. When looking to replace your heads ...Part Number: DRT-11081050. +2. Images. $5,427.57. Dart Race Series 10-Degree LS Cylinder Heads. Cylinder Heads NMCA Pro Stock Performance Race Series LS 10deg 368cc CNC Bare Head 2.3in x 1.6in valve job. See More Specifications | Check the Fit.Fuller transmissions, products of Eaton Corporation, provide power and quality for almost all heavy-duty vehicles. With several different types of speeds, from 5- to 18-speed trans...To help make power, the SP 5.3L also featured a set of ported 706 heads. Katech provided the porting for the 706 heads, though the porting program retained the factory valve sizes. Given our sizable cam choice, the Katech 706 heads were also treated to a dual valve spring package from Brian Tooley Racing , stock rockers, and hardened Trend ...LS 706 Head Specs [Features & Comparison with Other Cylinder Heads] 706 heads, also known as "706 cylinder heads," are a specific type of cylinder heads commonly used in engines produced by General Motors (GM), specifically in their LS series. These cylinder heads are quite popular among engine enthusiasts due to their compatibility and ...The 799 and 862 heads have their own pros and cons. While the 799 heads offer better flow and performance, the 862 heads offer better combustion chamber design and improved efficiency. Ultimately, the choice depends on the specific needs and goals of the engine. Pros of Using 862 Heads. Cons of Using 862 Heads.If you fall into that category, listen carefully. The most important part of your cylinder head is, as per Fig 6-3 and Fig 6-4, the area 1 inch before the valve seat to 1/2 inch after it on the intake and vice versa on the exhaust. Be aware that what you think is needed may not be what is wanted.With the smallest displacement of all the engines in the LS lineage, the 4.8L is probably the closest you’ll get to an “under-the-radar” LS. But that’s good news for you, because they’re often easy to come by in junkyards and relatively cheap. Yet thanks to an iron block, the 4.8L LS can support big horsepower, particularly if you ...The L86 is a Gen. 5, 6.2L, small-block engine powering 2014-present GM trucks and SUVs. They are known as the EcoTec3 6.2L engines. These engines use a longer intake runner than its cousin, the LT1.This helped the L86 produce peak torque 500 rpm sooner than the car version of the 6.2L engine.By what your saying you want a factory head. Here is a link to all the specs, the testing was on a 5.3 Surprising HP Numbers From Our Stock LS Cylinder Head Test Your 317 head has the largest chambers 71cc and your LQ4 had 9.4 to 1, so all the other heads will raise that CR if that matters to you.This also means that they are usually cheap to collect or replace. 706 heads tend to be more popular than 243 heads with those who run naturally aspirated engines. While they don't have the same size combustion chamber they also don't have the tendency to lower the compression ratio and reduce horsepower. When looking to replace your heads ...LS 6.0L 317 Aluminum Cylinder Head CNC Porting Service ( Customer Supplied Bare Heads ) CNC Ported LS 6.0L LQ4 LQ9 317 Cylinder Heads, Customer Supplied Bare Casting. $599.95. Buy in monthly payments with Affirm on orders over $50. Learn more. Options. Valve Job with new Valve Guides + $400.00. Resurface for MLS Gaskets + $150.00.Avoiding 706 castech heads. Hey guys, I just joined this forum because I am looking to buy a silverado/sierra soon but still have a couple questions. Right now I'v got a 2004 5.3 tahoe with leaking castech 706 heads. Iv decided to trade it and and I'm trying to avoid having the same problem again with my new truck.I thought I would go with stage 3 ported heads, nope too big for stock bore ls1. What about all these heads with massive intake runners 225cc+ but smaller valves IE: 2.04/1.57. Nope, again too big of an intake runner for stock bore LS1. Wait, this other guys says the will work great as long as I use a Fast 102 or ported 90.Fastener Specifications Fastener Tightening Specifications Application Specification Metric English Accessory Drive Belt Idler Pulley Bolt 50Y 37lbft ... AIR Right Side Pipe Bracket-to-Cylinder Head Bolt 20Y 15lbft Automatic Transmission Fluid Cooler Line Clamp Bolt - at Oil Pan 12Y 106lbinSmall Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers . 12480005 – LS Small Block V8 2000 LS1, GTZ, aluminum, 38cc chambers, 2.125/1.625 valves, angle plugs . 12556743 – LS Small Block V8 1999 325, 5.3L, aluminum, truck, van . 12558806Revised Video of the LS 706 4.8l headsLS-SERIES VALVE SPRINGS AND SPRING KITS 12499224 LS VALVE SPRING KIT. Beehive-style springs; Used on LS3, LS2/LS6 cylinder heads; Installed height: 1.800" @ 90 lbs. pressure; 1.250" @ 295 lbs. pressure; Max lift: .550" Includes 16 of P/N 12625033; 12625033 VALVE SPRINGS.This is a Rebuilt OE Stock LS 4.8L , 5.3L Cylinder Head Assembly. Part # : 706 , 862 also fits. Description : Stock LS Series 4.8L / 5.3L Cylinder Head. Compatible with LR4 / LM7 / LM4 Engines. Specs : Combustion Chamber Volume: 61.15cc Intake Port Volume: 200cc Exhaust Port Volume: 70cc Intake Valve Diameter: 1.89 inches Exhaust …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 ...Stock springs are a no go, valve springs aren't hard at all just a pain in the ass and time consuming. Comp's 918's are a popular replacement as are the Patriot duals. I'd go with duals if you wanted to spin the motor higher than 6000. think max lift is like .500,,,i ran a 522.529' on my stock springs on my 5.3. Newark, Tx.MikeEC. 5 posts · Joined 1998. #4 · Nov 28, 1998. The LS6 heads for '71 are open chamber rectangle port and should carry casting number 6272990 or 14096188 if they are cast iron. They will have the words "HI PERF" cast in to them as well. The LS6 was available as a crate motor until the late '80s.The part number for these heads is LS#CNC-Complete. Test 5. Mast Black Label LS3 (Large Bore) Retail price:$3,198. Intake valve size:2.20. Advertisement. Exhaust valve size:1.60.The L94 is a 6.2L, Gen. 4, small block engine used in GM luxury trucks and SUVs between 2010 and 2014. For marketing purposes, it was also known as the Vortec 6200. The engine specs and information listed here is for a stock L94 engine. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the ...Xiaomi launched a new flagship offering called the Xiaomi 12T pro that has a 200-megapixel sensor as its marquee feature Xiaomi just launched the 12T Pro, a flagship with a 200-meg...Previously, we compared the stock 706/862 heads to the 799/243 heads on a cammed 5.3L test motor. There was much uproar among 799/243 head enthusiasts. Than...A LS1 Head refers to the original design of the GEN III cylinder head produced from General Motors. The design relates to LS2, LS3, LS6, and LS7 heads. ... Casting Number 706 Head: 1999+ LR4 4.8 Litre Truck 1999+ LM4 /LM7 5.3 Litre Truck Material: Aluminimum Part Number: 12559852 ... Corvette Specs; Corvette Insurance; Financing; Corvette ...Oct 3, 2019 · The Definitive Guide to LS Engine Specs and LS Engine Upgrades. Posted 10/03/19 by OnAllCylinders Staff. Last updated on 05/03/2024. (Image/Summit Racing) 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.Camshaft, Hydraulic Roller Tappet, Duration at .050 in. 196/201, Lift .467/.479, Chevy, LS1, LQ9, Each See More Specifications | Check the Fit Chevrolet Performance LS Series Camshafts 12561721The MLS head gaskets came in our Fel-Pro master gasket kit (PN 2817, $380). That may seem like a big chunk of change, but it included every single gasket and seal needed to rebuild any Gen III LS ...Description. Porting service for LS 5.3L 862 aluminum cylinder heads, customer supplied bare castings. CNC-Motorsports Porting / Machining Service includes. Clean bare …Thank you Headflowinc for pointing out the correct Mahle head gaskets I needed for this build. I could have used the others I bought but I fear the larger fi...The L59 engine is a 5.3L Gen. III iron-block engine used in GM trucks and SUVs between 2002 and 2007. It is essentially the flex-fuel version of the LM7 . For marketing purposes, it was also known as the Vortec 5300. The engine specs and information listed here is for a stock L59 engine. Mechanically similar, General Motors’ LS and LS-based ...L84 5.3L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More - OnAllCylinders says: July 25, 2019 at 4:28 pm This is an engine specification guide for General Motors' fifth-generation L84 engine that launched in 2018 for use in the Chevrolet Silverado 1500 and GMC Sierra 1500.Lets compare the heads: Casting Number 706 / 862 Head: 1999+ LR4 4.8 Litre Truck 1999+ LM4 /LM7 5.3 Litre Truck Material: Aluminimum Combustion Chamber Volume: 61.15cc Compression Ratio: 9.5:1 Intake Port Volume: 200cc Exhaust Port Volume: 70cc Intake Valve Diameter: 1.89 inches Exhaust Valve Diameter: 1.55 inches Compare to the normal 6.0 ...The L20 4.8L has a 3.780 in. bore diameter. The cylinders can be bored to LS1 size (3.898 in. +). However, that will thin out the cylinder walls. A smaller bore size will keep the block strong and rigid. The engine specs and information listed below is for the stock L20 engine. Mechanically similar, General Motors’ LS and LS-based Vortec ...It was produced from 2007 to 2009. This was still an iron block, aluminum headed engine. The LY2 is an excellent engine! Because it's a Gen 4, it has stronger rods and a beefier bottom end than the earlier LR4 4.8L engines. It also came with the 799 heads which flow better and have bigger valves than older 706/862 heads.Fits. The price listed is for you sending your cathedral port cylinder heads (4.8/5.3, LS1, LS6, LS2, LQ4/9) to us for porting. Our stage 1 porting service will include the re-use of the stock vales. Stage 2.5 will include aftermarket 2.02/1.57 stainless steel valves. We also offer valve spring upgrades. PRC CNC Porting/Machining Service Includes:1996 Camaro Z28 forged 385 A4-, match ported heads and manifold with 3 angle valve job, 52mm custom ported tb, cc503 cam, 1.6 ratio rockers, dual spring valves, lt1 edit, pacesetter long tubes, 3.73 gears, t/a push button, tb bypass, 2.5" true dual exhaust with H, 3k TC, ls1 home made intake, and going in a simple diet* Part # : 862 casting also replaces 706 * Description : Stock LS Series 4.8L / 5.3L Cylinder Head. Compatible with LR4 / LM7 / LM4 Engines * Specs : Combustion Chamber Volume: 61.15cc Intake Port Volume: 200cc Exhaust Port Volume: 70cc Intake Valve Diameter: 1.89 inches Exhaust Valve Diameter: 1.55 inches2014-present - Gen. V, 6.2L, small block. The new LT1 is the Gen. 5, 6.2L, small block engine used in Chevrolet performance cars. It was introduced in the 2014 C7 Chevy Corvette. LT1 engines are all-aluminum and use Active Fuel Management (AFM) and Variable Valve Timing (VVT). The engines also use direct fuel injection technology, which ...241 was used on 01-04 LS1 engines. They both have a 66.67 cc combustion chamber (10.1 CR), 200cc intake runners, and 70cc (round) exhaust ports. The 243 head is the 01+ LS6/LS2 head. It has a smaller 64.45cc chamber for more compression (10.5 CR on LS6), 210cc intake runners, and 75cc D-shaped exhaust ports.Cast #: 706, 862. GM 4.8 5.3 V8 C#706, 862 Assembled Cylinder Head. $499.99 Price. Quantity. Add to Cart. Chevrolet GMC Cylinder Heads. ... The cost of a New Cylinder Head from King Cylinder Heads will often be equal to or even less than a remanufactured or rebuilt cylinder head. Our nationwide distribution provides FAST DELIVERY at lower costs.Revised Video of the LS 706 4.8l heads706 Heads. Not surprisingly, the 706 truck heads offered both the smallest port and chamber volumes. The combustion chambers on the 706 heads measured 61.5 cc, while the intake and exhaust port...L84 5.3L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More - OnAllCylinders says: July 25, 2019 at 4:28 pm This is an engine specification guide for General Motors' fifth-generation L84 engine that launched in 2018 for use in the Chevrolet Silverado 1500 and GMC Sierra 1500.[Editor's Note: This LY2 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 the 4.8L LY2 Engines. The LY2 appeared in model year 2007-09 GM 1500 ...The GM LM7 (Vortec 5300) features V8 90° cast-iron cylinder block with a five-bearings crankshaft, two aluminum heads, a single one-piece cast camshaft and two valves per cylinder (16 in total). The LM7 has a sequential multi-port fuel injection system and 78.0 mm (3.07 in) throttle body. The engine used a "Coil-Near-Plugs" ignition system.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 ...GM 706/862 5.3-Liter LS1, 218 cc. GM 243 (LS6) and 799 (LS2), 218 cc. ... New "862" or "706" casting cores are CNC-ported and machined to specifications dictated by extensive research and testing. Each set of heads is milled and assembled to the owner's specifications and utilizes stainless-steel valves. ... In addition to its regular ...From how I understand it to work...and I'm no expert... 317 heads are designed for a 4.000" bore motor. Your LS1 is a 3.900" bore motor. Therefore, you'll need a thicker gasket on your heads. Stock heads are 67cc and you are going to a 72cc. This is going to drop your stock 10.5:1 compression down some.Upgrade your Chevy 5.3L V8 engine with our Remanufactured 99-06 Chevy 5.3L V8 706/862 Aluminum Cylinder Head (Part#: ALL-20314). To ensure a high level of performance, these Chevrolet heads are built to exceed OEM specifications. These 706 heads for sale are perfect for your 5.3L V8 engine, offering enhanced power and efficiency.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 ...Refrigerant Leak. Damaged pipes or worn-out seals can cause your car’s AC refrigerant to leak. As the refrigerant leaks, you’ll hear a whistling noise from your AC system. To prevent refrigerant leaks, ensure you service your AC system often. Replace the AC filter and check your refrigerant level to make sure it’s at the normal level.Back in the early LS1 days, the 706 head was the best bang for the buck. When 706's are ported correctly with new larger 2.00 or 2.02 intake valves, 1.6 exhaust valves and good valve job, good springs, they are almost as good as ported LS6/243/799 cylinder heads. The 5.3/4.8 706 head was the go to choice before 243/799 castings became more ...If you’re in the market for a compact SUV that offers style, versatility, and advanced features, look no further than the Hyundai Kona. This popular vehicle has been turning heads ...The 5.3 liter LS-series engine was offered from 1999-2014 and has a 3.78” bore x 3.62” stroke. The block was offered in both cast-iron and aluminum with aluminum cylinder heads. Camshaft specifications varied depending on the year and RPO code of the engine.This also means that they are usually cheap to collect or replace. 706 heads tend to be more popular than 243 heads with those who run naturally aspirated engines. While they don’t have the same size combustion chamber they also don’t have the tendency to lower the compression ratio and reduce horsepower. When looking to replace your …"here is a fresh set of (2) 5.3l aluminum cylinder heads #706. gm casting #12561706. these heads are bare castings with all needed machine work performed. these are a popular performance upgrade for stock 5.3l engines and for ls1 engines as these #706 casting heads have a smaller 61cc combustion chamber which boosts the compression on ls1 ...The GM L59 (Vortec 5300) features a V8 90° cast-iron cylinder block with a five-bearings crankshaft, two aluminum heads, a single one-piece cast camshaft, and two valves per cylinder (16 in total). The L59 has a sequential multi-port fuel injection system and an electronic throttle body. The engine used a “Coil-Near-Plugs” ignition system ...The final difference is that the combustion chamber for the 243 heads. It is 65cc, compared to the 67cc for the LS1 241s. ️ The 243 heads produce about 5% more power on flow alone. If you were to judge the 243 heads vs. the 241s on head flow alone, you’d get a slight power edge.The L99 is a 6.2L, Gen. 4, small block engine used in the Chevy Camaro SS from 2010-2015. The information listed here is for a stock L99 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 Saab, Hummer, and Isuzu ...GM 5.3 LS Full #706-862 quantity. Add to cart. ... Features; Flow Chart; Cylinder Head Options; Technical Specs; Additional information; N/A. N/A. N/A. N/A. Additional information. Weight: 28 lbs: Related products ... GM 2.2 507 NEW FULL $ 468.00 Add to cart. Performance. Performance Cylinder Heads. PROJECT X SERIES LS XXTREME …Summit Racing™ Precision Cast Cylinder Head SUM-162LS210CATH. Chevy LS Cylinder head, 210cc Cathedral port Intake Runner, 64cc Chamber, 2.02 Intake Valve 1.6 Exhaust Valve, 3.898+ bore sizes, Max .600 Lift Ea. Part Number: SUM-162LS210CATH. ( 1 ) Estimated Ship Date: Today.Which factory LS cylinder head works best with a turbo, 706 or 317? It's the age-old comparison, airflow vs compression. This LS head shoot out between the s...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, …When assembling or reassembling the cylinder heads on an LS engine, it is crucial to follow the correct torque sequence for the head bolts. This ensures proper clamping force and prevents any leaks or damage to the engine. The LS head bolt torque sequence is as follows: Bolt Number. Torque Specification (ft. lbs.) Torque Specification (Nm) 1. 22.Advertisement Kindle Paperwhite measures 6.7 inches (169 millimeters) high by 4.6 inches (117 millimeters) wide. It is a scant 0.36 inches thick (9.16 millimeters for the WiFi-only...Xiaomi launched a new flagship offering called the Xiaomi 12T pro that has a 200-megapixel sensor as its marquee feature Xiaomi just launched the 12T Pro, a flagship with a 200-meg...New “862” or “706” casting cores are CNC-ported and machined to specifications dictated by extensive research and testing. Each set of heads is milled …The Gen III engines were the firstborn from the original LS1 in 1997 through 2002. These engines used a 24x crankshaft trigger wheel and a cam sensor mounted at the rear of the camshaft. Roughly in 2003, GM upgraded the LS into its Gen IV configuration with a number of changes. The upgrades included a 58x crank trigger wheel with the …Sort by: Add a Comment. J8ke_Stampede. • 1 yr. ago. There's no debate, it's been proven the 862/706 heads will make more power than the 317's. 317's and 241's are the worst factor LS heads. It's also not only because the chamber size and compression ratio either. 862/706 heads have higher velocity and better coefficient of discharge. 8.Below are its specifications. 706 5.3L Truck Castings. Valve size: Intake- 1.89, Exhaust-1.55. Po, Here's a quick data sheet on the specs of 799 heads. Due to the similarity, 243 heads, Quote: Originally Posted by lil john. True Tuskyz, also the 821's have less meat, *Some , Dyno Review - Cammed 6.2l LS, 706 Heads | 12:7:1 Compression, The exhaust port is a unique D-shape that improves flow. LS6 heads are the best choice only when all-out pow, 741 posts · Joined 2004. #11 · Jul 12, 2022. If you wan, To properly install your LS Cylinder Heads, follow, Fort Worth, Texas. Mar 28, 2019. #12. L92, L99 & LS3, 706/852/862 —1999-and-up 4.8 and 5.3 truck heads: 61.15cc. 035/3, Revised Video of the LS 706 4.8l heads, When pitched against other LS heads, LS3's ports ar, This is a drop-in kit for 15° LS heads. It will also work with LS7, The only difference is the marking stamped on top of the , Upgrade your LS1 or LS6 engine with our Remanufactured CNC Ported 24, 706 Castech fix? I have a 2005 Silverado CC, 133K , get those projects done! should you run 706 heads on y, LM7 5.3L Vortec 5300 Engine Specs: Performance, Bore &a, GM 706/862 5.3-Liter LS1, 218 cc. GM 243 (LS6) and 799 (LS2), 218 c.