862 ls heads - 933: Found on 1997 LS1 engines up to mid-September. Although 862 and 706 heads share many similarities, the primary difference is that the 706 heads are made using SPM (semi-permanent mold) while the 862 heads are not. This makes the 706 heads slightly superior. Cylinder Head.

 
OEM GM 862 cylinder heads removed & remanufactured at 32k miles. • Any broken exhaust studs are removed, and all threaded holes are checked, none are stripped. LS LS1 LS2 LS3 LS6 LS7 LSX 862 CYLINDER HEADS SET 4.8 5.3 5.7 6.0 6.2 VORTEC | …. Genshin skin mod

243 heads are commonly found in LS-based engines, including the LS1, LS2, and LS6. Their design is optimized for high-revving applications, making them a favorite among racers and performance enthusiasts. If you are looking to squeeze every bit of power from your LS engine, the 243 heads are a solid choice. The 862 Cylinder Heads189 posts · Joined 2010. #1 · Jun 13, 2016. I've read a dozen posts about cracked LS heads between the valve seats, specifically 317 casting heads. This has got to be a very common problem, as I have six 317 head cores here and five of them are cracked between seats on atleast once cylinder. All of these heads were just cores pulled from …Ajit Mohan, the head of Meta in India, has left the firm and agreed to join rival Snap, according to sources familiar with the matter. Ajit Mohan, the head of Meta in India, has le...When I first built the 6.0 it was with the 862 heads and the Summit cam that was .612 lift. The cam said it would work with a single spring (don’t remember which) but they recommended the tfs .660 double spring kit. ... Going With The Flow - A Look At Ported Versus Unported LS Heads . Street car: FD RX7, PT8847 LS9, T56Mag, Holley …May 7, 2023 · Street Performance of The 706 Head. It’s worth noting that the 706 heads have a larger combustion chamber than the 862 heads, which measures at around 71cc. While this might sound like a disadvantage, it can actually be helpful for engines running on lower-octane fuel or those using forced induction. The initials “LS” stand for luxury sport when referring to a Chevrolet vehicle, whereas LT refers to a Chevrolet luxury touring vehicle model. Both LS and LT models provide feature...In terms of cylinder heads, we included the 706 small-valve 5.3L heads, the 241 (LS1), 317 (6.0L truck), and 799 (as a stand-in for the hallowed 243) heads. The idea was to flow and measure each ...Watch in HD!!Another segment on putting together my cylinder heads.Took a different approach to installing my seals after doing some searching on the forums....The LS engine remains the darling of the performance world, but does that mean all LS owners are looking for the same thing when it comes time for upgrades? ... 862 heads and composite truck ...So nothing urgent at this time. mad1500hd. 363 posts · Joined 2010. #4 · Jan 5, 2012. i don't know if mine falls into this category...i have the 6.0 motor and just recently found a hairline crack on the passenger side head and was losing coolant...good thing it was under warranty...only cost me $75...so it could've been worse. Mike - SoCal.Description: 99-06 Chevy LS 5.3L V8 706/862 Aluminum Cylinder Head - PAIR. Introducing our Remanufactured 9-06 Chevy LS 5.3L V8 706/862 Aluminum Cylinder Heads - a perfect upgrade for your vehicle's performance. These heads have been meticulously crafted to exceed OEM specifications, ensuring top-notch quality and reliability. ...373/873 LQ4 iron heads - 71.06cc. 706/852/862 '99-up 4.8L-5.3L truck heads - 61.15cc ... L92 heads (often referred to as LS3 heads) moved to a rectangular port and are some of the best LS heads ...Nov 10, 2023 · 799 Heads and 862 Heads are different cylinder head options for LS engines. Cylinder heads play a crucial role in the engine’s performance, as they control the flow of air and fuel into the combustion chamber and the expulsion of exhaust gases. The 799 and 862 heads have different casting numbers and designs, resulting in variations in ... Richard Holdener. 291K subscribers. Subscribed. 2.7K. 172K views 4 years ago WESTECH PERFORMANCE GROUP. 706 5.3L HEADS vs 241, 799/243 vs 317s. …The 862 LS has the right features to perform efficiently in a vehicle. The most popular 862 heads in the market are the CNC Ported 862 LS heads with a …LS1 with 862 heads. I may have found an LS1 shortblock I can drop in my truck but I want to know if I can use the 862 heads from my 4.8 on the LS1. Also, what will the CR be if I use the 862's on the LS1. Thanks in advance. It will bump your CR up a hair, 4.8/5.3 heads and LS1 heads flow the same, the only difference is the combustion chamber.$149.99. custardcoresupply (2,999) 99.1% Buy It Now. +$25.00 shipping. 5 watchers. 862 LS2 LS1 Gen III Gen Cylinder Head W/ Valves & Springs 5.3 / 4.8 LS1. GOOD USED …4135 posts · Joined 2010. #3 · Dec 4, 2013. I know you are on a budget, but once you clean, do a valve job and mill those 243s, you will have some cash in them. You could sell them for $400 or so, get a set of Stage 1 LS6 CNC ported heads for around $1200. I just think that is fantastic bang for the buck.What LS did 862 heads come on? When it comes to the GM's LM7 engines, the 862 cylinder heads are an integral part. Constructed from lightweight aluminum material, these cylinder heads feature a 61cc combustion chamber volume for improved efficiency and performance. The intake port is shaped in a classic cathedral design while …706 5.3L HEADS vs 241, 799/243 vs 317s. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in a back to back shootout. We ran the 706/862...If you've ever needed to core a head of iceberg lettuce, either because you need to chop it up or you just want it easier to separate, there's an easier way than trying to carve ou...If you are looking for a LS-series engine to build, the Vortec-series 5.3L is arguably the best choice for the dollar. ... The 862/706 heads have smaller combustion chambers than the Gen IV ...The 799 head is designed and made to be compatible with high-performing LS engines, such as 4.8L, 5.3L, 5.7L, or 6.0L, etc. These vehicles require maximum airflow, making the 799 head an ideal choice. On the other hand, the 862 head is compatible with LR4, LM4, and LM7 and such engines where low torque is more essential than better horsepower.706/852/862 '99-up 4.8L-5.3L truck heads - 61.15cc 035 /317 '99-up LQ9 and LQ4 6.0L truck heads - 71.06cc 799 '05-up 4.8L-5.3L truck heads (these are basically …4135 posts · Joined 2010. #3 · Dec 4, 2013. I know you are on a budget, but once you clean, do a valve job and mill those 243s, you will have some cash in them. You could sell them for $400 or so, get a set of Stage 1 LS6 CNC ported heads for around $1200. I just think that is fantastic bang for the buck.Please be sure to properly package cylinder heads with plenty of bubble wrap protection on the corners. We have found that when shipping cylinder heads a box, wrapped in …Street Performance of The 706 Head. It’s worth noting that the 706 heads have a larger combustion chamber than the 862 heads, which measures at around 71cc. While this might sound like a disadvantage, it can actually be helpful for engines running on lower-octane fuel or those using forced induction.Most importantly, 862 LS heads provide a lot of power at a cheap rate. Moreover, hundreds of thousands of old 862 heads built in 1999 are available in the exhaust port volume ranging from 4.8 to 5.3 L, often meant for truck heads. Why Casting 862 Heads Is A Great Choice? Casting 862 heads could be a great idea because of the following reasons:Small 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 . 12558806Sep 22, 2012 · 715 posts · Joined 2008. #5 · Sep 23, 2012. Holdener did some 5.3 testing with the TFS 205 heads which have 2.00"/1.55" valves and almost a 3.900" bore chamber. Versus the TFS 215's with 2.04"/1.575" valves and a 3.950" bore chamber, and the 215's made more power. The 205's made 500 hp leaning on the engine and the 215's made 510 hp fairly easy. The 2007 year had three 5.3L motors offered. The 2007 Classic (still a NBS) had the 5.3L with either the L59 (flexfuel version) or the LM7. The 862/706s are on the 99 and up 4.8/5.3L motors. The only difference about the L59 motor was the injectors. 2005 and up motors had the factory electric fans and electric TB.4135 posts · Joined 2010. #3 · Dec 4, 2013. I know you are on a budget, but once you clean, do a valve job and mill those 243s, you will have some cash in them. You could sell them for $400 or so, get a set of Stage 1 LS6 CNC ported heads for around $1200. I just think that is fantastic bang for the buck.Oct 24, 2023 · The 243 heads have a D-shaped exhaust and cathedral-shaped intake ports. The cylinder heads combustion chamber is smaller than the earlier cylinder heads fitted on LS1 engines. 243 is also more efficient than the earlier heads found on LS1. What do stock 243 heads flow? The GM stock 243 heads are designed to boost flow by up to 32.2 cfm and 28. ... Mar 8, 2018 · [Trying to find an LS or LS-based Vortec engine for a swap or build? Check out Part 1 and Part 2 of our LS Spotter’s Guide.] … Upgrading LM7 Cylinder Heads. The stock heads can be CNC ported for more airflow and milled up to .030 in. for more compression. Flow numbers can be as high as 325 cfm at .600 lift. Description: 99-06 Chevy 5.3L V8 706/862 Aluminum Cylinder Head. 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. ... Whether you're into 5.3 Vortec heads or 706 …[Trying to find an LS engine for a swap or build? Check out Part 1 and Part 2 of our LS Spotter’s Guide.] … Upgrading LR4 Cylinder Heads. Casting number 862 or 706 heads were used and sported a 61cc chamber but had tiny 1.890 intake valves. The stock heads can be CNC-ported for more airflow and milled up to .030 inch for more compression.Nov 27, 2017 · Our fellow tech writer and dyno-flogger Richard Holdener reports a gain of roughly 15 hp with stock 5.3-liter heads on a 6.0-liter. Our 5.7-liter head test bumped the average power by 9 hp but ... The factory 706 head casting may be the best LS performance value going. ... The 706 Vortec heads are even slightly superior to the commonly found 862 heads. The reason is that the 706 heads are ... 706/ 862 CNC Cylinder Head Porting Service. $ 1,098.99. Add to cart. Category: Chevrolet. Description. Reviews (0) Our 706 & 862 ported heads include: Our in house CNC port. PCD surfaced to your desired chamber size. Dec 1, 2010 · LS1 with 862 heads. I may have found an LS1 shortblock I can drop in my truck but I want to know if I can use the 862 heads from my 4.8 on the LS1. Also, what will the CR be if I use the 862's on the LS1. Thanks in advance. It will bump your CR up a hair, 4.8/5.3 heads and LS1 heads flow the same, the only difference is the combustion chamber. Nov 9, 2009 · The 2007 year had three 5.3L motors offered. The 2007 Classic (still a NBS) had the 5.3L with either the L59 (flexfuel version) or the LM7. The 862/706s are on the 99 and up 4.8/5.3L motors. The only difference about the L59 motor was the injectors. 2005 and up motors had the factory electric fans and electric TB. I was using my computer the other day and it suddenly started to make a high-pitched squealing sound and then stopped working. When I took it in for repair, the service guy said th...A quickly poured beer or soda can create a layer of foam, but only one stays. Why does beer form a head but soda doesn't? Learn why at HowStuffWorks. Advertisement Pour a soda into...The LS4 is a 4th gen, 5.3 l aluminum small block engine that was used in GM cars between 2005 and 2009. They had cathedral port cylinder heads and used Active Fuel Management (AFM). The LS4 cylinder heads came with two casting series numbers – 799 and 243. The combustion chamber volume is 65cc.The three Ls of the Gangster Disciples is a credo that stands for “love, life and loyalty.” This code originated in Chicago in the 1980s. The three Ls are associated with two commo...To get the best bang for your buck gen 3 lq4 + 862 Heads will give you a 10.5:1 compression ratio with smaller combustion chamber with a more responsive per...Please be sure to properly package cylinder heads with plenty of bubble wrap protection on the corners. We have found that when shipping cylinder heads a box, wrapped in …Crafted from high-quality aluminum, these 5.3 aluminum heads are both durable and lightweight. Whether you're into 5.3 Vortec heads or 706 ls heads for sale, our product fits the bill. With a year range spanning 99-06, these heads are compatible with a 5.3L - 327ci - V8 engine, making them versatile for various Chevy models.LS 5.3L 706 / 862 ALUMINUM CYLINDER HEAD CNC PORTING SERVICE ( CUSTOMER SUPPLIED BARE HEADS ) CNC Ported LS 5.3L 706 / 862 Cylinder Heads, Customer Supplied Bare Casting. $599.95. Options. Resurface for MLS Gaskets + $150.00. Valve Job with new Valve Guides + $400.00. Cylinder head Assembly + $150.00. Add to Cart.706/ 862 CNC Cylinder Head Porting Service. $ 1,098.99. Add to cart. Category: Chevrolet. Description. Reviews (0) Our 706 & 862 ported heads include: Our in house CNC port. PCD surfaced to your desired chamber size.LS1 with 862 heads. I may have found an LS1 shortblock I can drop in my truck but I want to know if I can use the 862 heads from my 4.8 on the LS1. Also, what will the CR be if I use the 862's on the LS1. Thanks in advance. It will bump your CR up a hair, 4.8/5.3 heads and LS1 heads flow the same, the only difference is the combustion chamber.In terms of cylinder heads, we included the 706 small-valve 5.3L heads, the 241 (LS1), 317 (6.0L truck), and 799 (as a stand-in for the hallowed 243) heads. The idea was to flow and measure each ...In this story, we will dyno test three new LS cylinder heads and perform a camshaft swap on a 6-liter naturally aspirated LS Gen III (an LY6 truck engine).French fuel workers entered a 15th day of strike action on Wednesday, leaving more than a quarter of gas stations without at least one type of fuel. Americans heading to France thi...Dec 24, 2017 · The 241 heads were used on 5.7L LS1 applications and are considered by many to be just a minor step up in performance from the 706. In terms of peak flow, the 241 heads offered 242 cfm at 0.700 ... Conclusion. 862 cylinder heads are known for their excellent compression ability, which makes them suitable for racing cars. However, they have a history of cracking during usage, which might cause oil and fluids to leak into the engine. You should check the cons and pros before you port to 862 head, especially when you’re on a tight budget ...If you are looking for a LS-series engine to build, the Vortec-series 5.3L is arguably the best choice for the dollar. ... The 862/706 heads have smaller combustion chambers than the Gen IV ...I’ve had some emails and messages, on the SierraC3TV Facebook page, making arguments against using 706 heads on my 6.0. In this episode, I give my reasons wh...If you have a Gen IV short block (no heads), you can find an equally cheap set of 862 heads and do a valve job and port job to get both compression and airflow. …The exhaust port is a unique D-shape that improves flow. LS6 heads are the best choice only when all-out power is needed. Be prepared for a big price tag at the dealer or steep core charge from your head porter. 706 & 852 & 862 Head: 1999+ LR4 4.8-liter Truck 1999+ LM4 / LM7 5.3-liter Truck Material:Aluminum Part Number: 12559852, …The 862 head features bigger valves than the stock LS (2.25” intake and 1.55” exhaust), so you can flow more air through your engine, giving you more power at higher RPMs, which leads to better …Check out Part 1 and Part 2 of our LS Spotter’s Guide.] ... behind top intake on block it has 12559767 on rear of block behind fly wheel is 12551358 with 862 heads. Mexican build gm plant motor, which is it , 4.8 or 5.3. Reply. Kerry D Browning says: December 14, 2023 at 11:35 am.862 heads are good for boost because they have larger valves and can flow more air. They also have a higher compression ratio, which helps to increase power. ... If you’re looking for high performance from your LS engine, one of the first places you should look is the cylinder heads. The 862 castings from Cathedral Port are a great option for ...373/873 LQ4 iron heads - 71.06cc. 706/852/862 '99-up 4.8L-5.3L truck heads - 61.15cc ... L92 heads (often referred to as LS3 heads) moved to a rectangular port and are some of the best LS heads ...What 5.3 heads do you have older 5.3s have 706 castings, some newer 5.3 heads have 799s or 243s. your going to have advantages and disadvantages on all of the heads you have right now. 317s flow good but the chambers are for a 4.00 bore and they are bigger, lowering your compression, the 706 heads have small valves and ports, the …Got lucky at a local junkyard and snagged a set of 862 heads off a wrecked z71 2000-2006 body style. thinking about building these (port n polish, roller rockers, valves n springs to go with a nice cam) to put on my 06 gmc 4.8L .The cost of living in Indian cities for expatriates happens to be among the lowest in the world. The cost of living in Indian cities for expatriates happens to be among the lowest ...Upgrade your Chevrolet engine with precision-engineered CNC Ported LM4/LM7 706/862 Cylinder Heads. These remanufactured heads exceed OEM specifications, ensuring top-notch performance for your 5.3L V8 engine (03-09). Our ALL-20314PC pair of heads come with .650 springs and 2.00/1.57 valves, making them the perfect choice for those seeking ...19 Jul 2013 ... Comments43 · Junkyard LS 862 Head Rebuild pt1 · All 20 LS cylinder heads explained (find the best for your project). · DIY Valve Seat Vacuum Te...The 862 heads are an excellent choice for any GM vehicle with an LM7 engine. Although the design is meant for high-performance settings, it performs well in the Avalanche, Express, Silverado, Sierra, Yukon, and other trucks or SUVs from the late 1990s to about 2007. You know if you’ve got an LM7 engine by looking at the eighth digit of the ...862 cylinder heads are known for their excellent compression ability, which makes them suitable for racing cars. However, they have a history of cracking during usage, which might cause oil and fluids to leak into the …PRC As-Cast 225cc LS1/LS2 Cathedral Heads - Big Chamber $ 2,203.19. PRC As-Cast 225cc LS1/LS2 Cathedral Heads $ 2,203.19. PRC 237cc CNC Ported Cylinder Heads $ 2,709.99.Most importantly, 862 LS heads provide a lot of power at a cheap rate. Moreover, hundreds of thousands of old 862 heads built in 1999 are available in the exhaust port volume ranging from 4.8 to 5.3 L, often meant for truck heads. Why Casting 862 Heads Is A Great Choice? Casting 862 heads could be a great idea because of the following reasons:Final ports on the 862’s for my Turbo 4.8 build. I have the final bowl cut percentages and volumes for Intake port, Exhaust port; Combustion chamber. I’ll ...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’ …The 862 heads are an excellent choice for any GM vehicle with an LM7 engine. Although the design is meant for high-performance settings, it performs well in the Avalanche, Express, Silverado, Sierra, Yukon, and other trucks or SUVs from the late 1990s to about 2007. You know if you’ve got an LM7 engine by looking at the eighth digit of the ...In terms of cylinder heads, we included the 706 small-valve 5.3L heads, the 241 (LS1), 317 (6.0L truck), and 799 (as a stand-in for the hallowed 243) heads. The idea was to flow and measure each ...Remanufactured LS heads. Since we do attend a number of shows throughout the year. Unless otherwise stated. Fully Cleaned, leak checked, machined and reassembled. ... LS 862 Aluminum set of heads. Stover's Power Sports LLC (175) 100% positive; Seller's other items Seller's other items; Contact seller; US $650.00.Sep 22, 2012 · 715 posts · Joined 2008. #5 · Sep 23, 2012. Holdener did some 5.3 testing with the TFS 205 heads which have 2.00"/1.55" valves and almost a 3.900" bore chamber. Versus the TFS 215's with 2.04"/1.575" valves and a 3.950" bore chamber, and the 215's made more power. The 205's made 500 hp leaning on the engine and the 215's made 510 hp fairly easy. LS Land Magazine was one of a series of photographic collections of underage girls created by LS Studio, also known as Ukrainian Angels Studio, from 2001 to 2004. Besides LS Land, ...You know that sinking feeling you get when you say yes to too many requests, take on too much when you know yo You know that sinking feeling you get when you say yes to too many re... the 862's are off the early 4.8-5.3 motors after about 99 I believe. I also believe texas speed used to have the 2.05 valve opton on those heads at one time. I run 2.04 valves on mine. 12-30-2010, 08:54 AM #7. 1badmonza. Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR) In Stock (0) Reviews: Write first review. Description: CNC Porting Service Item #: KAT-M7107. Condition: New. Price: $534.99. ... Description: For LS heads with dual springs and OEM or most bronze guides Item #: KAT-7536. Condition: New. Price: $7.99. Qty: Add to Cart LS 5.3L 706 / 862 ALUMINUM CYLINDER HEAD CNC PORTING SERVICE ( CUSTOMER SUPPLIED BARE HEADS ) CNC Ported LS 5.3L 706 / 862 Cylinder Heads, Customer Supplied Bare Casting. $599.95. Options. Resurface for MLS Gaskets + $150.00. Valve Job with new Valve Guides + $400.00. Cylinder head Assembly + $150.00. Add to Cart. The factory 706 head casting may be the best LS performance value going. ... The 706 Vortec heads are even slightly superior to the commonly found 862 heads. The reason is that the 706 heads are ...In a nutshell, the LS 862 heads are the best-performing, affordable, and ported 5.3 heads that will best suit your car. If you are looking for a high-performing cylinder head at an economical price, then …My friend has a pair of 862 heads in good shape for a good price. Just wanna know if I'll benifit from them at all from stock ls1 heads. I have a mild cam 218/227 long tubes and a lid plan on doing heads and a LS6 intake. I know 243's are good but didn't know if 862's are any good when they're right in front of me. Reply Like.GM Chevy 5.3 4.8 6.0 #862 Vortec LS Cylinder heads Truck SUV GEN 3 OEM (NO CORE) Opens in a new window or tab. Remanufactured. $274.99. jerry194 (2,684) 99.3%. or Best Offer +$95.15 shipping. 1 GM CHEVY 4.8 5.3 OHV LS4 SILVERADO TAHOE CYLINDER HEAD CAST# 706 & 862 99-05. Opens in a new window or tab.No 243s or 799 have the casting defect that I've heard, it was pretty isolated to the castech only 706's on gen III 4.8/5.3's. There are 2 other sets of 706's that are not affected. The early sand cast heads come as 862s and 706's, and a die cast 706 that isn't made by castech. 16 posts.

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862 ls heads

The LS4 is a 4th gen, 5.3 l aluminum small block engine that was used in GM cars between 2005 and 2009. They had cathedral port cylinder heads and used Active Fuel Management (AFM). The LS4 cylinder heads came with two casting series numbers – 799 and 243. The combustion chamber volume is 65cc.Cylinder Heads & Camshaft Packages. Add 100+ horsepower to your GM LS or Gen 5 LT engine with a Texas Speed & Performance cylinder heads and camshaft package! Our packages will include cathedral port, square port, and rectangular port cylinder heads to accommodate LS1, LS2, LS3, L99, LS6, LS7, LSA, LQ4, LQ9, L83, L86, LT1, and more! …Precision Race Components Customer-Supplied 4.8L/5.3L/LS1/LS2/LS6 Cylinder Heads Fully CNC Ported & Assembled With Choice of Your Stock or Stainless Steel 2.02" Intake Valves, 1.575" Exhaust Valves, & Optional TSP Dual Valve Spring Kit with PAC Valve Springs & Titanium Retainers. Kit Also Includes TSP Hardened Pushrods & Your Choice …The exhaust port is a unique D-shape that improves flow. LS6 heads are the best choice only when all-out power is needed. Be prepared for a big price tag at the dealer or steep core charge from your head porter. Casting Number 706 and 862. Head: 1999+ 4.8L / 5.3 Liter Truck . Material: Aluminimum . Part Number: 12559862 . 12561706Learn about the history, design, and performance of different types of LS cathedral port cylinder heads, from factory to aftermarket. Find out the flow numbers, casting numbers, and dyno tests of various LS heads, including the 862 casting for the 5.3-liter LS1.715 posts · Joined 2008. #5 · Sep 23, 2012. Holdener did some 5.3 testing with the TFS 205 heads which have 2.00"/1.55" valves and almost a 3.900" bore chamber. Versus the TFS 215's with 2.04"/1.575" valves and a 3.950" bore chamber, and the 215's made more power. The 205's made 500 hp leaning on the engine and the 215's made …Conclusion. 862 cylinder heads are known for their excellent compression ability, which makes them suitable for racing cars. However, they have a history of cracking during usage, which might cause oil and fluids to leak into the engine. You should check the cons and pros before you port to 862 head, especially when you’re on a tight budget ...If you have a Gen IV short block (no heads), you can find an equally cheap set of 862 heads and do a valve job and port job to get both compression and airflow. …Feb 8, 2022 · I flow a stock 706, 862, and 317 LS Head and share the numbers. The 243 heads came on the powerful LS6 engines from 2001 to 2006. Although the heads were initially made for C5 Corvettes, they later found their use in engines like the truck-spec LQ9 and LQ4. The LQ4 and LQ9 had 6 cc larger combustion chambers. LS6 was also used in some Camaros and Pontiac GTOs. The 243 heads are …The 799 head is designed and made to be compatible with high-performing LS engines, such as 4.8L, 5.3L, 5.7L, or 6.0L, etc. These vehicles require maximum airflow, making the 799 head an ideal choice. On the other hand, the 862 head is compatible with LR4, LM4, and LM7 and such engines where low torque is more essential than better horsepower.Frequently Asked Questions. Conclusion. 799 Vs 862 Heads: Comparison Table. 799 Vs 862 Heads: Detailed Comparison. Both 799 and 862 heads are the …20 Dec 2016 ... Part 6 of the LS 5.3L Build will cover Installation of the 862 Aluminum Heads, Lifters, Pushrods, and Rocker Arms. Project Rowdy is a ...The 243 heads came on the powerful LS6 engines from 2001 to 2006. Although the heads were initially made for C5 Corvettes, they later found their use in engines like the truck-spec LQ9 and LQ4. The LQ4 and LQ9 had 6 cc larger combustion chambers. LS6 was also used in some Camaros and Pontiac GTOs. The 243 heads are …LS 862 Aluminum set of heads. Stover's Power Sports LLC. (175) 100% positive. Seller's other items. Contact seller. US $650.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*. Condition:Microsoft Excel features alignment options so you can adjust the headings in your worksheet to save space or make them stand out. For example, if a column heading is very wide, cha...The exhaust port is a unique D-shape that improves flow. LS6 heads are the best choice only when all-out power is needed. Be prepared for a big price tag at the dealer or steep core charge from your head porter. Casting Number 706 and 862. Head: 1999+ 4.8L / 5.3 Liter Truck . Material: Aluminimum . Part Number: 12559862 . 12561706.

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