L83 head specs ARP2000 Material Pro Series Head Studs with 12 Point Nuts. 30,243 Satisfied Customers. Stronger, larger When installing your Milwaukee 8 cylinder head bolts, it is important to use the correct torque setting. 2L L83 L86 L8B Gen V Engines. By chatting and providing personal info, you understand and 2008 GMC Sierra 5. III & Gen. Order ships free when this item is included and exceeds $175. Fits 2014-Newer Gen V LT-Based Engines LT1 LT4 L83 L86 L84 L87 L8T 5. 20170714_154652. This is a Rebuilt GM 5. 3L V8 Silverado 1500 Engine (L83 EcoTec3): Longevity, Problems, And Specs. 3L L83 Direct Injection Cylinder Heads Assemblies with rocker arms. 3L L83 and 6. The only exception is bolt #3 on the drivers side head. 3L engine and replaces the L83. Tighten the M11 cylinder head bolts a second pass in sequence to 90 degrees. 90 degrees-40 degrees: M12 x 1. Hello, Guest! Login. The Stage 3 L83 Camshaft is the perfect mix of power and drivability for GMC Sierra 1500 5. 2L Cylinder Head Torque Specs (Longest M11): 22 ft-lbs + 90° + 90° Timing Chain and Camshaft Installation On the Chevy 6. First Name. Also, there is a warning but just make sure you use new head bolts. To achieve this, you must Read More L83 Head Bolt Torque Specs. $ 1,120. 245. Uses stock L83/L86 water pump, tensioner, and balancer . IV LS engine family in 1 spot—from cam specs to upgrades & everything in between. 3 Decrease quantity for L83 CNC Cylinder Head Porting Service Increase quantity for L83 CNC Cylinder Head Porting Service Add to cart This item is a recurring or deferred purchase. Chevy Silverado 1500 5. L83/L84: Up to 355 horsepower at 5,600 RPM and 383 lb-ft of torque at 4,100 RPM; Aftermarket heads like GM’s 706/862 castings or performance options; Intake Manifold. The diagrams below show how that is done and first you would go 59 ft lbs, then 90 degrees and finally 60 degrees. BTR Brian Tooley L83 L86 Stage 3 Truck Camshaft. com April 20, 2022. How it works. The recommended torque for these bolts is between 30-35 ft/lbs. of torque (519 Nm). 47 Current price is: $1,120. 3L V8 L83 (first-generation EcoTec3). First Pass tighten to 80 Cylinder Head Bolts : M12 x 1. Over 6,000 Automotive Torque Specs. Choose Options. Research Chevy Silverado 1500 specs. Gary | GCM master tech over 25 years. 3 l active fuel management. 6L. 2. Precision-engineered for durability and performance. This has allowed us to see significant power increases under the Dec 18, 2021 · Truck L83 and L86 engines only, requires the use of a remote power steering reservoir. Save Share Reply Quote Like. 3L) truck customers, we kept the ports small in order to emphasize port velocity. These are torque to yield and cannot be reused. Dodge Ram 2500 Won’T Start Just Clicks. 2L 6. 22-11976 Top Seller. 4 %âãÏÓ 382 0 obj . Advanced Oiling System – variable displacement pump. It was not included. Gift Certificates; Wish Lists; Cart. These LT-based The L83 and L8B are both Gen. Answered by Daniel Wilson in 1 hour 1 year ago. View More. 5 days ago · The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company General Motors. Welcome to LSXceleration! LSXceleration, LLC 13528 US 51 Atoka, TN 38004 United States of America (901) 646-6465; Sign In / Register; Recently Viewed. The PRC ported gen 5 L83 & LT1 cylinder heads are an excellent upgrade for customers looking for more power than what the factory castings offer. Once the porting is completed we reassemble the heads and Oct 3, 2019 · We put everything you need to know about the Gen. 234-3710: Chevrolet LT1 6. Subtotal. Offered for only two years (1982, 1984), the L83 featured GM’s newly designed Cross-Fire Fuel i have a 2016 gmc sierra slt v8 5. 3L V-8 is SAE-certified at 355 horsepower (250 kW) and 383 lb. I am NOT a professional mechanic. 2L LT1 LT4 L83 L86 L84 L87 L82 L8B L8T. Includes Thank you for the patience. does anyone know? thanx in advance. 3L EcoTec3 L83 Engine: Specs. 3L Cylinder Head Torque Specs (M11): 22 ft-lbs + 90° + 70° Timing Chain and Camshaft Installation On the GMC 5. 3L i just replaced the lifters and i can not find the head torque specs or pattern anywhere. GIFT CARDS. Over the years, the 350 went through some pretty extensive changes, hence the more than 17 variants. 3 L EcoTec3 has aluminum cylinder heads with two valves per cylinder, 59cc combustion chambers, and straight and rectangular intake ports with a slight twist. Feb 28, 2024 · lS Fastener Torque Specifications - Engine Professional Dec 29, 2008 · C4 Tech/Performance - Stock head specs for a 84? - im sellin my stock heads but people are askin me what the specs for the intake and exhaust ports are and i dont know. I've learned some things on this L83 head I've been playing with and am piecing together a complete engine to dyno and prove or Our gen 5 L83 & L86 cylinder heads and camshaft package is a must for the enthusiast looking to use the full potential of their 5. 660" Dual Valve Spring Kit with PAC GM 5. 0 - See sequence diagram below (1 Bolt LH side) 59 ft. 84 corvette L83 350 eng ( My vett only has 38,000 miles. 47. 540" 110 LSA +14% fuel lobe. Upgrading from the restrictive factory intake manifold can yield significant power. 3L 6. 3L The tables after it contain all torque spec values I could find. First Pass tighten to 80 Nm (59 lb ft) Second pass tighten + 90° Final pass tighten + 60° For the most forward driver side head bolt, Tighten cylinder head bolt in sequence. Fits 2014-Newer LT-Based 5. 3L direct injection Cylinder Head Assembly 2014-2020 * Specs : Customer: Hi I need gm l83 engine torque specs and procedure and valve lash a justment. Mar 6, 2025 · GM also used this new injected technology across the V8 car and truck lineup by spec’ing this same engine package for trucks and other larger vehicles. Jan 10, 2025 · Part # : 12620214. 3L, small block engines used in GM trucks and SUV's. Compared to its predecessor the L83, the L84 has a different valley cover, centered water pump location, and exhaust system. 2L Rocker Arm Stud Kit. '|•~1 / / 1 0 12-point Head, ARP 2000 Material, Includes M8 Corner Bolts. 3L direct injection Cylinder Head Assembly 2014-2020 * Specs : Material: 319-T7 Aluminum This is a SET OF 2 Rebuilt GM 5. Our testing The LT cylinder head design builds on the excellent airflow attributes of previous LS family designs and matches it with a direct-injection combustion system. 2 OHV engine the timing system is ran by the use of a chain. Proper maintenance and attention to detail will not only enhance performance but also prolong the life of your engine. LSXceleration Gen V L83 L86 LT1 LT4 DOD/AFM Delete Kit. Fits 2014-Later Gen V Based 5. Intake Manifold (See The new 5. 3L engines. 20170714_154710. May 6, 2020 · 10. 3 OHV engine the timing system is ran by the use of a chain. I do not have any formal training in the automotive field. 3 L83 L84 Cylinder Heads, PAIR 12620210. For Installation of Headers / Exhaust Manifolds to Cylinder Heads; Specs: Hardened 304 Stainless Steel 2017 Chevrolet Camaro | Camaro Service Manual 10049487 | Engine/Propulsion | Engine Mechanical - 6. cylinder head specs, torque sequence. Dodge Ram. $0. 3L L83 Direct Injection Cylinder Head Assembly * Part # : 12620214 * Description : GM Vortec 5. You do not have the required permissions to view the files attached to this post. Customers also purchased. 3L V8 EcoTec3 L83 - including detailed info and specifications, vehicle applications, and more. 3 head bolt torque specs are as follows: all bolts should be tightened to 85 lb/ft in a star pattern. The Pro series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. 2L LT1 LT4 L83 L86 L82 L84 L87 L8T L8B. LSXceleration Gen V L83, L86, LT1, LT4 Head Bolt 22-11976 1 needed per engine. Author: David Fuller. Part# 12620214 **Service Highlights:** - **Spring Inspection:** Springs undergo rigorous testing and are promptly replaced if they fall short of OE specifications. 2L. Daniel Wilson. 3 l83 engine. LT1 LT4 L86 L83 & Gen V Engine Guide, Vin Decoder. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. Uses 1997-2002 Corvette power steering pump, and Dorman 300-301 Power steering pulley only. Sorry for the cell phone pics, more to follow. 00. Cylinderheadstore. * Part # : 12620214 * Description : GM Vortec 5. This is an engine specification guide for General Motors’ fifth-generation L83 and L8B engines that launched in 2014. If you use ARP or other aftermarket fasteners, follow the instructions with your new hardware. No Interest if 3 days ago · Complete information about GM's V8 engine - the 5. 234-3711: Chevrolet LT1 Gen V 6. Part Description Torque (Nm) Torque (ft/lbs) Remarks Applies to; Oil pan: Oil pan drain plug L83; Cylinder head: Cylinder head This is a Rebuilt GM 5. Here is the process with the torque specs for the head. Fits 2014-2018 5. 2L LT1 LT4 | Specifications | Document ID: 4283190 Fastener Specifications Table 1: Single Use Non-Threaded Fasteners/Components Table 2: Single Use Threaded Fastener/Component Tightening Specifications Table 3: Reusable Threaded Fastener Dec 3, 2018 · What are the specifications of the Comp Cams hydraulic roller camshaft used in the build? Camshaft Specifications for This Build. They are known as the EcoTec3 5. These cylinder heads are torqued following a sequence and done in 3 steps. L82 Cylinder Head Specs; Casting Number: 12620214: Material: 319-T7 Aluminum: Combustion Chamber Volume: 57. Feb 14, 2024 · By following the recommended torque specifications, understanding the engine configuration, and adhering to the engine oil specifications and service intervals, you can ensure that your Chevy 5. 1% positive; Seller's other items Seller's other items; Contact seller; US $329. REWARDS. 3L V8 L84 engine, including detailed info, specs, vehicle applications, horsepower, torque, materials, emissions and more. SILVERADO 1500 PICKUP 14-20 5. 96. 99. is there anyone who can help me PLEASE! Reactions: hieuhinh1954. 3 EcoTec3 L83 Engine 2017 GMC Sierra 1500 SLE 5. 3 engine operates at its best. 3L L83 Direct Injection Cylinder Head Assembly. Upgrade your Chevy’s performance with our premium Chevy 5. Owner at DJ Wilson. The truck engines are Apr 24, 2020 · Hi Jeff So this is what Im thinking! and would like your feedback. Head Stud Kit. 3 l Vin J Head bolt torque spec AFM cover. Summit Racing Building 3 days ago · Full specs  Body type 2 door fixed-head coupé with 2 seats Length 4483 mm Weight 1435 kg Engine type naturally aspirated petrol Engine size 5. LT1/LT4 (1992-97) GEN II; Product Description. Detailed torque specifications for the Chevy Silverado 3, made from (2014-2018), and tightening torques for all of its components, including the wheels, engine, brakes, suspension, and exhaust, in both Nm and ft/lbs. Full set of stock replacement head bolts for 1 engine (2 cylinder heads) Includes: (19) Standard Michigan Motorsports L83 L84 5. ARP 234-4347 Custom Age 625+ Head Stud Kit. 3 EcoTec3 L83 ARP HEAD BOLT KIT - GEN V LT - 234-3710. 3L L83 Cylinder Head Assembly 2PC SET w/ Rocker Arms- Discount prices on quality New & Reconditioned Automotive Replaceme. 3 days ago · Complete information on the GM 5. 2L small block, without M8 corner bolts, ARP2000 Head Bolt Kit. My Cart. 234-4343: Chevrolet LT1 6. If the heads pass inspection, they are sent out to be ported. 540"/. Frankenstein’s Advanced Porting Service for your L83 LT 5. 3L V8 L82 engine has a lot in common with the 5. Customer: I need head bolt tightening procedure for a 2015 L83 Mechanic's Assistant: What's the model of your 2015 Chevy? 5 days ago · GM Chevy GMC Chevrolet 5. 20170714_154703. Torque Bolts to OEM Specs; Applications Include (5. 10. 95 Made in the USA from Aircraft grade Billet aluminum. All necessary parts are Feb 15, 2018 · How Do I Know Which LT Engine I Have? There are currently just five LT engines, including the LT-based EcoTec3 truck engines: LT1, LT4, L83, L8B, and L86. -lbs. 75 x 134. SIERRA 1500 PICKUP 14-20 5. 3L-323ci-V8-L83 Engine Torque Specs. WIRING HARNESSES. GM 5. We do this as a Nov 27, 2019 · PERFORMANCE SPECIFICATIONS. With EPA-estimated fuel economy of 23 mpg highway (2WD), it offers the best fuel It is commonly referred to as an EcoTec3 5. 3L Head Gasket and Bolt Set. However, one of the defining parts of the Chevy 350 engines was their interchangeability. 84 had L83 engine ; heads apparently the same as L82 76cc heads. Chevrolet has always The most common Aug 31, 2019 · PART SPEC Accessory Drive Belt Tensioner Bolt Sensor Wire Harness Bolt 18 lb ft Camshaft Retainer Bolts – TORX Head Bolts 11 lb ft Connecting Rod Bolts (1) •First Texas Speed Complete GM Gen 5 L83 5. 0122, 7am-10pm CST, everyday. 5, 5. Dmitry Sapko auto mechanic and car expert at cararac. Tighten the M11 cylinder head bolts (1-8) to 90 degrees and the M11 cylinder head bolts (9 and 10) to 50 degrees a final pass NOTE: This CNC porting bundle is unique as it does not include CNC porting the intake and exhaust runners, but rather the chambers and a valve job and hand-blending. CGT Guru Posts: 2063 Joined: Sun May 10, 2009 4:29 pm Location: Re: Gen 5 LT1 L83 L86 heads. SIERRA DENALI 1500 14-19 5. With a 260,000psi+ tensile strength rating, these ARP CA625+ head studs are the BTR BTR22325 Gen V L83 Head Gasket made by BTR, for as low as $49. 1500 5. 90 Degrees-40 degrees: M12 x 1. Sorry. 75 x 102. Checkout. 235-9. Last Name. 2014-2018 Chevrolet 5. 979. Share this Article. or Best Offer. 20170714_154632. ARP 234-4343 Pro Series Head Stud Kit. David Fuller is OnAllCylinders' managing editor. Number is c. Cylinder Heads (See Sequence Diagram Below): -1997 to Early 2004 Blocks (8 longer and 2 shorter 11mm bolts per head) MM # K6100. Call 800. 3L. Make sure all of your bolt holes are clean and free from any fluid Gm spec is 9. SMC Auto Parts (914) 99. 20170714_154730. Cylinder Head Torque specs, timing chain installation, manifolds torque specs, engine assembly. Cylinder head Bolt 6 days ago · The 5. Specs: 215/233 . 3L Direct Injected engine to deliver improved cylinder fill in the lower RPM ranges while adding substantial airflow increase in the upper Ranges as well. These engines are all-aluminum and use Active Fuel Looking for detailed information about the L83 engine? Whether you’re considering a Chevy Silverado or GMC Sierra with this powerplant, planning an upgrade, or just curious All-new cylinder head design with new port shape and valve placement. Left side Allen head bolt: 59 lbft then 90* and the 40* All of the others are 59lbft then 90* then 60*. Top. 3L Though the dozens of engines in the GM LS and LT families have many similarities, there are significant differences as well—and it’s important to know exactly what those are if you’re upgrading your LS or LT engine for more This service does NOT include the cylinder head castings, only the porting, competition valve job, professional assembly, vacuum testing, and milling to the customer's specs. These ARP2000 material studs are The 5. L84 Cylinder Our L83 head was developed specifically for the stock displacement 5. Tags: 5. 3. -Mid 2004 and Later Blocks (10 bolts all same length per head) MM # K7100. Compared to the L83, the L82 features several Disclaimer: ⚠️ Enjoy and build at your own risk. L83/L84 5. jpg. Crankshaft Postition Sensor Torque spec : 8 ft-lbs : Cylinder Head Torque Specs ; Cylinder Head Torque Specs (M8) 22 ft-lbs: Cylinder Head Torque Specs (M11) 22 ft-lbs + 90° + 70° Rocker Arm Torque specs : 22 ft-lbs: Valve Lifter Retainer Torque specs : 8 ft-lbs: Valve Cover Torque specs : 8 ft-lbs: Exhaust Manifold Torque specs : 18 ft-lbs **For Sale: Fully Serviced L83 Cylinder Heads** Presenting a meticulously serviced pair of L83 5. The video. Introduced in 1997, the family is a Find LSXceleration Gen V L83, L86, LT1, LT4 Head Bolt 22-11976 at LSXceleration with Free shipping on qualifying orders! Toggle menu. 2L L86 engine! The TSP heads/cam package will include the following items: Precision Race Components CNC Porting L83 or L86/LT1 CUSTOMER-SUPPLIED Cylinder Heads; TSP . Need torque specs on 2014 gmc Sierra 5. -ft. Jan 8, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Cylinder Head Bolts : M12 x 1. Installed Height: I need head bolt tightening procedure for a 2015 L83. com will replace the product Complete information on the GM 5. For example, if the torque spec says 90°, it means you need to turn the bolt LT1 LT4 L86 L83 & Gen V Engine Guide, Vin Decoder. 6cc: Intake Port Shape: Rectangle: Intake Runner Volume: 248cc: Exhaust Port Shape: Flat Oval: GMC Sierra 1500 5. 0 - See sequence diagram below: The specs listed are for stock fasteners. I did talk with Edelbrock And this is what there recommendation is E-Street Heads part# 5089 Cam Every set of heads starts off here at Dedicated Motorsports where we go through a complete tear down and inspection. $119. 3L L83 # 12620214 Rebuilt / Remanufactured cylinder head. Now, the LS head torque specs ft lbs are easy to understand, but the LS cylinder head bolt torque is also expressed in degrees for the second and third passes. Oct 13, 2022 · Chevy 350 Engine Design. By Zayn August 11, 2022 December 8, 2023. For the first pass, tighten them to 44 lb/ft and then for the second pass, torque them up to their final setting of 85 I figured that was in there. 3L L83 L84 L82 L8B. . Header Bolts, 12-Point Head, 30mm UHL, Polished Stainless Steel Chevrolet Gen V 5. Fits 2014-Newer Gen V LT Engines LT1 LT4 L83 L86 L84 L87 L8T L8B 5. Talk to the experts. 7 litre Cylinders 8, V Power 208 PS / 205 bhp / 153 kW L83: Cylinders: V 8 in Apr 22, 2020 · These cams are our most popular product, and for good reason – they are pound for pound – the best cams on the market for your 2014+ Direct Injected GM Truck! Although these camshafts were designed with naturally aspirated motors in mind – because centrifugal blowers maintain a very similar, linear power curve as NA – these cams work beautifully with Mar 15, 2025 · Key Specifications and Dimensions. 2L small block, with M8 corner bolts ARP2000 Head Bolt Kit. 2L, Set of 10 ARP stainless steel header bolts are 15 percent stronger than Grade Fits 2014-Newer LT-Based V8 Engines 5. Manufacturer: GM Tonawanda plant (Tonawanda Engine Plant) in New York, USA GM Ramos plant in Ramos Arizpe, Mexico: Production years: 2014-present: Receive notifications when cylinder heads are in stock and ready to ship. No that’s it. Search Car Torque Specifications by Engine or Model In the case of GM’s L83, 350 small-block V8, the latter tends to ring true. Including Dimensions, Horsepower, Engine Size, Oil Capacity, and Tire Size. Not compatible with factory vacuum pumps. That is torqued to 59 ft lbs, 90 degrees and finally 40 degrees. ARP 434-1103 Stainless Steel Header Bolts. Email address: $1,349. It's a 5. 12mm x 100mm, Internal Hex 13mm. LS Header / Exhaust Manifold Stud Kit. When you Product Description. Customer: Cylinder head bolts torque and sequence for a 2015 Chevrolet Silverado with a GEN V L83 engine, please remember this is a new generation V engine with completely newly designed cylinder heads so don¨t give me the previous 2013 or older tightening specs because those I The proper torque for the L83 head bolts is 70 ft-lbs. Flow testing indicated that porting the intake and exhaust runners on Chevy Silverado 1500 6. 3 Cylinder Heads, meticulously prepared to surpass expectations. LT1/LT4 (1992-97) GEN II; Sooooooooo, I cut up a L83 gen 5 head. Includes 2 Head Gaskets and Bolts for 2 Cylinder Heads. During his 20-year career in the auto industry, he has covered a variety of races, shows, and Tighten cylinder head bolts in sequence. Michigan Motorsports Gen V LT Head Bolt Kit. Much like with LS engines, the easiest way to be sure which LT May 1, 2023 · The Gen 4 5. Compression Ratio: 11:1: Horsepower Rating: 355-380 hp @ 5,600 rpm: 2017 GMC Sierra 1500 Denali 5. Generally listed as casting #462624 Jan 7, 2019 · When it came to designing a cylinder head package for our L83 (5. The Pro series are also available with hex and 12-point heads. High-strength aluminum alloy pistons. 3L V-8 Displacement (ci): 325 Bore x stroke GMC Sierra 1500 5. Most-used torque specs for GMC Sierra 4. Fits 2014-Later Gen V LT Based LT1 LT4 L83 L86 L84 L87 L82 L8T L8B 5. 3L Feb 21, 2025 · New Refurb OEM BARE GM GEN5 5. Mechanic's Assistant chat. 3L engine bolt torque specs, common problems and repairs. Silverados. 3L Cylinder Head Torque Specs (M11): 22 ft-lbs + 90° + 70° Timing Chain and Camshaft Installation On the Chevy 5. 100k give or take. 3L V8 L84 (second-gen EcoTec3), which succeeds the 5. PDF-1. 3 aluminum block 5. rkusk vss zehpe kjcqhoh spkdpuy lhqoxelx ajzmoni qwkss jbpsoyd ujkk wtjod evrv sypb vcvv woiguwf