862 ls heads

We all know how well the LS engine family responds to bolt-ons. ... we reconfigured it with a stock LM7 cam, the original 862 heads, and an early 5.3L truck intake and stock throttle body, a set ...

Head lice can be a very irritating condition. Visit HowStuffWorks to learn all about head lice. Advertisement If your head starts to itch, there could be several reasons why. You c...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...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.LET'S TALK TECH, ANYONE EVER SEE A SET OF STOCK 243 HEADS FLOW 270+ CFM? WE COMPARED 243 HEADS TO 862 HEADS, PORTED, CHAMBER WORK & BIG VALVE.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 ...Sep 6, 2017 · 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 ever made, far outflowing their ...

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.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.18 posts · Joined 2016. #2 · Dec 2, 2016. The compression depends upon how much you plan to mill. The rule of thumb is 1cc per every .006" milled. So, if you mill .030", then you will have shaved 5cc off the combustion chamber. I'm running .030" milled LS3s on a 404 stroker. The factory LS3 chamber is 69.8cc.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 ...LSXceleration Stainless Steel 8mm x 2.000 LS Intake Valve Set 15-22000-8 Stainless Steel LS Valves 2.165" Head x 8mm Stem x 4.870" OAL x 0.160" Tip x 45 degree seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl... 15-22165-8 $96.00 Add to Cart Compare. Add to Cart Compare. Dart Stainless Steel GM …LS1 862 HEAD. SKU: MF-LS1-862 Category: LS Series Product ID: 4463. Description Description. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure ...

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.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...LS1 862 HEAD. SKU: MF-LS1-862 Category: LS Series Product ID: 4463. Description Description. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure ...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 …

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I did a 408 cube ls using a cathedral port head. It was the 243 casting, but I don't think there is a big difference in potential. It made good power for a pump gas street engine. Had 10.7/1 comp, …799 LS Engine Cylinder Heads are some of the most recent cylinder heads on the automotive parts market. The cylinder cast architecture is with a semi-permanent mold method. The 799 cylinder heads are in the similitude to the 2004 LS2 cylinder heads due to the triangle casting marks similarity. However, unlike the 243 heads, they do not …Head gasket repair can be an expensive, but necessary repair for your vehicle. Knowing the average cost of a head gasket repair can help you budget and plan for this important main...Mar 13, 2018 · Run with the 317 heads, the modified 5.3L produced 448 hp at 6,800 rpm and 398 lb-ft of torque at 5,000 rpm. After installation of the 706 heads, the power jumped to 468 hp at 6,800 rpm and 413 lb ...

Dec 4, 2013 · 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. This is a SET OF 2 Rebuilt OE Stock LS 4.8L , 5.3L Cylinder Heads Assemblies. * Part # : 862 casting also replaces 706 * Description : Stock LS Series 4.8L / 5.3L Cylinder Head. Compatible with LR4 / LM7 / LM4 Engines20 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 ...REBUILT 4.8 / 5.3 GMC YUKON CYLINDER HEADS 862 CASTING NUMBER. $439.00. + $60.00 shipping. GM Chevrolet GMC 4.8L 5.3L Cylinder Head 706 Assembly w/ Rocker Arm. Free shipping. Check the item description to confirm this fits your vehicle.Sep 1, 2017 · 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 ... 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.Apr 4, 2019 · The minimum recommended clearance is 0.035-inch, so you should be able to deck most blocks 0.010-inch without a problem, but be sure to check the piston protrusion before you install the heads. If ... Dec 4, 2013 · 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. 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.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.

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:

Feb 8, 2022 · I flow a stock 706, 862, and 317 LS Head and share the numbers. Description. This program works on the following head casting numbers: 862. 706. 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.18 Jul 2016 ... Disassembling the 862's for clean up and port work. Heads will be ported to either a 205-210cc intake port and an 80cc exhaust port.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.706/862 LS CNC Ported Heads. Speed Works has teamed up with Wilkes Performance to bring you the most powerful heads available. We have a few options you can purchase such as a pair of Stage 1, Stage 2, Stage 3, or Stage 4 LS 706/862 Cathedral casting 5 axis CNC Porting with stainless valves and WP .660 dual race springs with WP titanium ...What is the difference between 862 and 706 LS heads? So, while the 862 heads and 706 heads look virtually identical at first glance, they have one major difference: their make. The 862 heads are sand cast while the 706 heads are semi-permanent mold. This means that, ...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 Heads863. Rectangle. 4.750" +- 0.003". 12604861. 12610716. 12675872. Share this article. We've tried to boil down the GM part numbers, casting numbers and other LS cylinder head information into an easily usable (and ideally definitive) cross reference. Note that we're not perfect and some of this data may not be perfect so use it for what you will.

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1231 posts · Joined 2007. #1 · May 12, 2013. Have a stock bottom and 5.3. The heads on it right now are 862's. I'm approaching 20psi on the engine. Would it be worth it to switch to some ported and milled .025 317 heads? Running pump gas/c16 mixed. 1980 Chevy luv truck. Stock 6.0.GM LS1 Gen IV Cylinder Head 862 BIG VALVE LS3 Spring Milled 025 High Performance. Opens in a new window or tab. Remanufactured. $679.99. teauran_0 (515) 100%. or Best Offer. Free shipping. 1999-2008 Chevy Reman Cylinder Head casting #862/706 5.3 4.8 Pair (Both) Opens in a new window or tab.The downside is that the head swap from LS1/LS6 heads to LS3 heads is more involved than a simple R&R. The new heads require a 4.00-inch bore block, LS3 rockers and intake manifold as well, both ...3,581. they used to install the 2.0 valves into the 5.3 heads but TSP found out that installing the larger valve actually hurts the flow of the head since the runner was never designed for that size intake valve. 2002 Lightning - GT headed 5.5Litre w/ Twin 7665s. 2002 Silverado - 427Lsx w/ Twin gt4202s.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 ...The 862 heads were cast by Ford Motor Company in 1967 and 1968 for use on the 289 and 302 engines. The heads were made of iron and had two valves per cylinder. ... What Heads Came on 5.3 Ls? The 5.3 LS is a V8 engine that was produced by General Motors for use in a variety of their vehicles. It is part of the LS family of engines, which …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...16 Jul 2021 ... Texas Speed F-35 Cam going into a Mega Truck Bog Brook Auto 207-261-1341. ….

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...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 . 12561706Dec 4, 2013 · 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. 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 …Infographic describing signs you need to watch for if you hit your head or have a hard impact during action sports. Please visit the truly inspirational crew at The Crash Reel for ...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 restoration on a 1979 J...LS1 862 HEAD. SKU: MF-LS1-862 Category: LS Series Product ID: 4463. Description Description. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure ...[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.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! …Small Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers . 12480005 ... Casting Number 706 and 862 Head: 1999+ 4.8L / 5.3 Liter Truck Material: Aluminimum Part Number: 12559862 12561706 Combustion Chamber Volume: 61.15cc 862 ls heads, 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., 863. Rectangle. 4.750" +- 0.003". 12604861. 12610716. 12675872. Share this article. We've tried to boil down the GM part numbers, casting numbers and other LS cylinder head information into an easily usable (and ideally definitive) cross reference. Note that we're not perfect and some of this data may not be perfect so use it for what you will., 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., 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 ..., Our Performance Rebuild option includes our high end CNC'd valve jobs, precision valve grinding, milling to any chamber volume, cleaning, inspection, and professional assembly. Typical gains are 10-20rwhp. 226cc Full CNC Porting Package. The go-to head for 450-500rwhp 5.7/6L's. Our high end machine work applied to GM's best cathedral head ... , Find CHEVROLET 4.8L/294 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details! ... 1997-03 GM Gen.3 LS Head Bolts, Zinc Plated, Steel, Hex, Torque To Yield, Kit. Part Number: SUM-910210. 3.55 out of 5 stars. Estimated Ship Date: …, 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. , 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 …, It happens to even the best DIYer: the simple process of removing a screw becomes a struggle when the screw refuses to budge and the head of the screw becomes stripped. But not all..., 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..., 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 …, Infographic describing signs you need to watch for if you hit your head or have a hard impact during action sports. Please visit the truly inspirational crew at The Crash Reel for ..., Quick tips for porting and polishing any LS heads My IG: 13b_dorito Here is some useful links for tools that you need to get this job done and that you will ..., CNC ported GM 862/706 Castings227cc intake runner, 84cc exhaust runner62cc chamberOur stage 1 will use stock valves in the 2.0/1.55 sizesold in pairs ... Canfield Big Block Cylinder Heads; SBF Cylinder Heads; SBC Cylinder Heads; LS Valve Covers; APPAREL. SERVICES. EQUIPMENT; OUR WORK. ABOUT US. More. CNC Ported …, Despite numerous differences the Gen III LS Engine and Gen IV LS Engine cylinder blocks share a lot of the same traits. 4.400 Bore Spacing (same as the original SBC) Deep Skirt Block with Six Bolt Cross Bolted Main Bearing Caps (reminiscent of the old Ford side oilers, FE, and some early hemi blocks) Center Main Thrust Bearing. 9.240 …, Nov 18, 2022 · 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: , LSA and LS9 heads were basically an improvent on the LS3 head, but for emissions and improved driveability they have a flow vane in the intake port. These heads can be CNC ported to remove the vane …, 799 LS Engine Cylinder Heads are some of the most recent cylinder heads on the automotive parts market. The cylinder cast architecture is with a semi-permanent mold method. The 799 cylinder heads are in the similitude to the 2004 LS2 cylinder heads due to the triangle casting marks similarity. However, unlike the 243 heads, they do not …, Despite numerous differences the Gen III LS Engine and Gen IV LS Engine cylinder blocks share a lot of the same traits. 4.400 Bore Spacing (same as the original SBC) Deep Skirt Block with Six Bolt Cross Bolted Main Bearing Caps (reminiscent of the old Ford side oilers, FE, and some early hemi blocks) Center Main Thrust Bearing. 9.240 …, Cometic MLS Head Gasket FOR Honda LS/VTEC B20/VTEC 84mm Bore .030" C4193-030 Brand New : Cometic Gasket (11) 11 product ratings - Cometic MLS Head Gasket FOR Honda LS/VTEC B20/VTEC 84mm Bore .030" C4193-030, Despite numerous differences the Gen III LS Engine and Gen IV LS Engine cylinder blocks share a lot of the same traits. 4.400 Bore Spacing (same as the original SBC) Deep Skirt Block with Six Bolt Cross Bolted Main Bearing Caps (reminiscent of the old Ford side oilers, FE, and some early hemi blocks) Center Main Thrust Bearing. 9.240 …, 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. , Chevy Silverado 5.3l 862 Vortec Ls Cylinder Heads Matching Pair 1999-2007 Oem $229.99 View Item Details 1 5.3 Gm Ls Chevy Cylinder Head 862 99-2006 Silverado Suburban Escalade Core $119.99 View Item Details Genuine Gm Chevrolet Vortec Ls Cylinder Head Lm4lm7 706862 4.8l5.3l $165.00 View Item Details ..., Head gasket repairs can be expensive, but the cost can vary significantly depending on the cause of the issue and the type of repair needed. Knowing what factors impact the cost of..., 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 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., 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 ..., Jul 31, 2020 · The Gen III have 862/706 Gen III heads, and the Gen IV have 243/799 heads. The 862/706 heads have smaller combustion chambers than the Gen IV, raising the compression ratio when swapped directly. , Our Performance Rebuild option includes our high end CNC'd valve jobs, precision valve grinding, milling to any chamber volume, cleaning, inspection, and professional assembly. Typical gains are 10-20rwhp. 226cc Full CNC Porting Package. The go-to head for 450-500rwhp 5.7/6L's. Our high end machine work applied to GM's best cathedral head ... , 4 Dec 2019 ... 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 ..., 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., Aug 11, 2023 · GM LM4 / LM7 / LR4 4.8L 5.3L Cylinder Heads PAIR # 862 w/ rocker arms OEM. $649.99. Free shipping. Check the item description to confirm this fits your vehicle. Hover to zoom. , 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 ...