862 ls heads.

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...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 .18 Jul 2013 ... Comments34 ; Junkyard Jewel LS Part III, better heads. The Driveway Engineer · 55K views ; Cylinder Head 105 - Valve Job Basics. Jafromobile · 3.5M&nb...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 | eBay

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 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 …

Great cylinder-head airflow has been a key enabler of the LS-Series’ exceptional performance. Chevrolet Performance delivers those power-building attributes to you with a range of production-style aluminum heads — from the LS6 heads for smaller-displacement engines to LS7 style heads for 427-inch-and-larger combinations, our aluminum heads …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 …

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. ...If so, the 862 has a tiny 1.9 intake valve. The 317 head has 2.0 valve and a larger intake runner cc, like the LS6. The 862 in a good bench make 220ish cfm, 317s as much as 257 or so. Just has a larger combustion chamber.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 HeadsThe 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 ...

16 Jul 2021 ... Texas Speed F-35 Cam going into a Mega Truck Bog Brook Auto 207-261-1341.

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 Heads

That will get you 11.25:1 or more on a stock LS6 (243) chamber. FWIW actually the most economical upgrade for cheap heads that run is a good valve job on a set of 243 castings. The heads out of the box from GM move 250-255cfm @ .600" lift, with a valve job they can move 285cfm @ .600" lift. Now this is not something your average …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 …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 . 12558806the 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. 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. GM 5.3 LS Full #706-862 $ 450.00. 1986 and older Models: Buick Rainier Cadillac Escalade, Avalanche, Express, Silverado, SSR, Suburban, Trailblazer, Tahoe, GMC Envoy, Savana, Sierra, Yukon, Isuzu Ascender ... Performance Cylinder Heads. PROJECT X SERIES LS XXTREME SERIES SHOCKER SERIES MAXX SERIES SERIES ONE. …

According to the trusty flow bench, the chamber work did indeed improve the flow rate of our 706 heads, with the largest gains coming at 0.200 lift for the intake and 0.400 lift for the exhaust ...Mar 26, 2024 · 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: 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 …GM 4.8 5.3 V8 C#706, 862 Assembled Cylinder Head. $499.99. Quantity. Add to Cart. This Chevy GMC Head is a new and improved casting. The cylinder head is either sold complete with all new parts or bare. This is OEM replacement quality at a fraction of the cost. This Cylinder Head has an industry leading 2-year Warranty.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.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 …

I know I have a couple sets of LS heads sitting in the garage, but could NOT tell you for certain which ones they are. I think one set might be 862 but I can’t be sure. I’d actually have to look. Regardless of which ones they are, I would absolutely not care if I was trying to build an 800 horsepower boosted LS combo for a street car.

If so, the 862 has a tiny 1.9 intake valve. The 317 head has 2.0 valve and a larger intake runner cc, like the LS6. The 862 in a good bench make 220ish cfm, 317s as much as 257 or so. Just has a larger combustion chamber.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 ...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. 24 Oct 2019 ... Comments28 · LS 706 4 8L Heads · 243/799 Heads Porting Step 1 · Porting 862's Bowl cuts & Raising the roof · How to port your LS...189 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 …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 …

which heads should I get professionally hand ported 862 or 853. I was orginally thinking of porting the 862 which are 5.3 litre heads and then. enlarging the intake valves to 2". now I'm considering just haveing the 853s done any thought and feedback is appreciated. cam-LTs-FAST78-Susp.-Rims.

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.

LQ4 862 heads and truck cam tuning. Hello, my cousin recently rebuilt his 03 Silverado engine and swapped heads from 317?s to 862?s and also put in a small cam (Stage 1 SUM-8718 Pro LS Drop-in Truck Swap Cam, Maximum Torque for Towing and Efficiency, 205/217 112+2, .500 /.500 Lift, 3-bolt, 4.8, 5.3, 6.0, 6.2).Are you looking for a rental property near you? Finding the right place can be a daunting task, but with the right resources and information, you can get a head start on your searc...The 706 & 862 heads have a 61cc combustion chamber. Most of the other LS cylinder heads have larger combustion chambers. You’ll lower the compression ratio if you go to some other heads. That Castech heads are the ones that are known to be the problematic heads prone to cracking.. Look for another set of 706 or 862 heads to …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 ...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. ... 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 ...NEW ONLINE STORE!!!https://lsnasty.comhttps://lsnasty.comFollow The LS NastyChannel: http://youtube.com/lsnasty @ls.nastyLS Nasty700 N 13th StErwin NC 28339S...Jun 13, 2016 · 189 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 junk ... 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 ...

5.3 truck heads (casting #862 and 706) are also a very popular base casting for porting/modifying, due to their even smaller (61.15cc) chamber size which raises compression when used on a LS1/6 engine.. 6.0 truck heads (casting #317) are popular heads with the forced induction crowd, as they are basically the same as 243 heads, but …Otherwise running stock 706 heads and stock truck intake with DBW throttle body. I have a spare LS short-block that is also an LM7 (I think) with 862 heads and no intake on it. My plan is to rebuild the spare block from the inside out with all new bearings, BTR "Torque" cam, Weiand aluminum intake, and then port/polish the heads.The 4.8L engine is also known as the Vortec 4800. The engine specs and information here is for a stock LR4 engine. These engines are strong and durable. Many people use them with boost or nitrous. With upgraded internals, the blocks can handle over 1,000 hp. Mechanically similar, General Motors’ LS and LS-based Vortec engines …LS 706/862 BARE. Additional information. Weight: 28 lbs: Related products. GM 350 E NEW BARE $ 363.00 Add to cart. GM 4.3 VTECH NEW FULL ... GM 2.2 146 NEW FULL $ 468.00 Add to cart. Performance. Performance Cylinder Heads. PROJECT X SERIES LS XXTREME SERIES SHOCKER SERIES MAXX SERIES SERIES ONE. Diesel. DIESEL. …Instagram:https://instagram. santa rita jail video visitihop academyldw light honda accordwalmart party trays and platters 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 ...This head is intended for blocks that feature a minimum cylinder bore diameter of 4.00 inches. The LS3 cylinder head has 260-cc intake runners and 92-cc exhaust ports. In addition, it has a combustion chamber volume of about 68.4 cc. These heads fit any LS engine with cylinder bores of 4.000 inches or larger. elder scrolls lorebookfilipino bakery in san diego Learn 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. 185 madison ave 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: 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’ …