2024 Ls head bolt torque

LS1 how to has it as 22 ft lbs then 90 degrees then 1-8 90 degrees and 9&10 50 degrees for final pass. I found a thread with Helms info and it says Cylinder Head Bolts (All M11) (1st pass in Seq.) = 22 Cylinder Head Bolts (All M11) (2nd pass in Seq.) = 90 degrees Cylinder Head Bolts (All M11 EXLUDING Med. Length F/R Bolts). Weather forecast warren ohio

Crankshaft Position Sensor Bolt. 18 lb ft. Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) 22 lb ft. Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) 90 degrees. Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head) 90 degrees.Nov 15, 2018 · Joe Cabral showing the proper torque sequence and proper torque of GM LS head bolts.All of Engine Quest LS Head boltsChevrolet Ls Head Bolts Set 2007 – 2016 ... The bolt manufacturer tests its bolts to create the given clamp load that will allow the head gasket to seal properly. This clamp load requires a given torque on the fastener. As an example, we’ll choose 70 lb-ft as our number. Of this amount of torque applied to the bolt, roughly 50- to 55-percent of that torque is used to overcome the ...165 posts · Joined 2008. #10 · Aug 29, 2008. i used arp bolts torqued 25, 45, 65 in sequence of course. the arp specs were around there depending on what you put on the threads. i also used some fel pro stock replacements before that torqued to about 60-65 as well. the haynes manual says pre-95 torqued to 65 ft/lbs. 96-97 torqued to 22 and …The oil pump assembly should be tightened down to the engine block using 18 ft-lbs. The pumps cover bolts can be installed after lubing up the oil pump gear. The oil pump cover bolts torque down to 8 ft-lbs. On the bottom end of the pump the pickup tube can be installed and torqued down to the pump using 8 ft-lbs.The Saab automatic transmission consists of a three-element torque converter and a hydraulically operated gearbox. This gearbox contains a planetary gear set that provides three fo...5. Install the cylinder heads and check for any binding or misalignment. 6. Install the head bolts and tighten them hand tight (don’t forget to lubricate the threads, washers, and underside of the head on the bolts). 7. Follow the manufacturer’s recommended torque sequence. Tighten the 11mm bolts in three equal steps to: 11mm x 2.0 Bolts ...The LH6 engine is a 5.3L Gen. IV aluminum engine that replaced the LM4 in 2005. It was the first Gen. IV LS truck engine and offered Active Fuel Management (AFM). The LH6 was available in mid-size SUVs until 2009, and in GM pickups from 2007-09. For marketing purposes, it was also known as the Vortec 5300.When it comes to fastening two objects together, cap head bolts and cap head screws are two popular options. They both have a similar appearance, but they differ in their applicati...Part Number: 134-3610 & 134-3710 Application: Chevy Gen III LS Series (2004 & later) 8740. Inspect all hardware prior to installation. Look for obvious defects or shipping damages. Please call 800-826-3045 with any questions or issues. To ensure proper thread engagement and accurate torque readings, clean all threads in the block.Here's a look at the five final big block V-8 engines sold in America, and where you can find them. Chevrolet 454 L19 Mark IV. Available: 1985-1990. Chevrolet's 454 cubic-inch big …Procedure: Follow these steps to correctly torque the head bolts on your 5.3 engine: 1. Begin by tightening all head bolts in sequence to 22 ft. lbs. (30 Nm) using a torque wrench. 2. Once all bolts have been tightened to the initial torque, go through the sequence again and tighten them to 45 ft. lbs. (61 Nm). 3.Crankshaft Position Sensor Bolt. 18 lb ft. Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) 22 lb ft. Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) 90 degrees. Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head) 90 degrees.457. 31K views 4 years ago #torquespec #coverman66. As the Trailblazer SS LSA project moves forward , New CNC ported LS3 heads and American racing …Torque its retaining bolt to 18 ft-lbs. Make sure you are using the correct sensor for your engine and computer: black sensors are for 24X reluctor rings, while …2. Crankshaft Balancer Bolt - (with Flanged Head) Final Step. 125 degrees. Crankshaft Balancer Bolt - (with Retained Rotating Washer) Final Step. 200 degrees. Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence. 20 N·m. 15 lb ft. Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence.Showing how I verified the applied torque to achieve the 15# plus 85 degree tightening method. Discussed the factory tightening procedure, clamping force, bo...Head Bolt Kit Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts, 8740, hex Kit #: 134-3610 . Specifications; Socket Size(s) 10mm hex, 13mm hex: Jobber Price*: $189.13. Instructions for Kits with Standard Flat Washers ...1604 posts · Joined 2007. #4 · Oct 25, 2009. Also BE SURE to lube the bolt HEADS and the WASHERS. Depending on what you're using as lube, the torque specs are different. With ARP's lube, the torque setting is 10 ft/lbs LESS than with 30W oil. Also, BE SURE to install the washers correctly. Each washer will have a beveled ID edge which …Jun 16, 2019 · As the Trailblazer SS LSA project moves forward , New CNC ported LS3 heads and American racing headers were installed. Terry goes thru the torque specs and b... To properly torque the head bolts on the 2008 Chevy 5.3 engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the bolt holes in the engine block to ensure proper engagement. 2. Apply a small amount of engine oil to the threads of each head bolt. 3.Step-by-Step Guide for Head Bolt Torque. To properly torque the head bolts on your 5.3 Chevy engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the bolt holes in the engine block using a thread cleaner or a wire brush. This will ensure a clean and accurate torque reading. 2. Apply a small amount of engine oil to ...New GM torque-to-yield head bolt set for the "2nd Design" LS engine family also know as the "short" head bolt style blocks. Fits 4.8L, 5.3L, 5.7L, 6.0L, 6.2L and 7.0L blocks that were made in 2004 and later. GM torque-to-yield head bolts can NOT be re-used once they have been installed and torqued to GM specifications. Torque Procedure for GM ...In some cases the stretching approaches the bolts’ elastic limit, permanently stretching them. Reusing stretched T-T-Y head bolts can cause improper or uneven torque, damaged engine threads, and broken bolts, any of which could lead to head gasket failure. It is important to use new bolts and proper torquing procedures during reassembly.Part Number: 134-3610 & 134-3710 Application: Chevy Gen III LS Series (2004 & later) 8740. Inspect all hardware prior to installation. Look for obvious defects or shipping damages. Please call 800-826-3045 with any questions or issues. To ensure proper thread engagement and accurate torque readings, clean all threads in the block.18 ft-lbs. A/C Compressor Torque Spec. 37 ft-lbs. 2500 6.0L engine bolt torque specs, common problems and repairs. Cylinder Head Torque specs, timing chain installation, manifolds torque specs, engine assembly.Today I installed and torqued down my LS1 cinder heads for my ls swapped is300 projectChevrolet Orange Engine Painthttps://amzn.to/3hIh21DICT Billet Exhaust ...Object moved to here.I believe ARP's torque specs also takes into consideration that ARP moly lube is used on the head bolts; using motor oil would require a different amount of torque. That is correct. ARP's torque spec is based off 75% of the fastener yield strength. If you are using ARP's bolt lube, the recommended value is 75 lb/ft.Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence) 50 degrees. Cylinder Head Bolts (M8 Inner Bolts in Sequence) 22 lb ft. Engine Flywheel Bolts 74 lb ft. Engine Flywheel-to-Torque Converter Bolts 44 lb ft. Engine Front Cover Bolts 18 lb ft.Read More » LS Head Bolt Torque Specs: Proper Torque for LS Engine Head Bolts 6.0 Powerstroke Stock Head Bolt Torque Specs & Procedure About the 6.0 Powerstroke Engine The 6.0 Powerstroke engine is a diesel engine produced by Ford Motor Company for use in their heavy-duty trucks and…Camshaft bearing cap x Cylinder head Bolt C Others 7.5 16 80 160 66 in.·lbf 12 Cylinder head cover x Cylinder head 6.0 60 53 in.·lbf Engine hanger x Cylinder head 37 380 27 Front water bypass joint, Rear water bypass joint x Cylinder head 18 185 13 Water bypass pipe x Cylinder Block 18 185 13 Timing belt rear plate x Cylinder head 7.5 80 66 ...The head bolts play a vital role in securing the cylinder heads to the engine block, maintaining a tight seal and preventing any leaks. ARP (Automotive Racing Products) is a trusted brand that provides high-quality fasteners, including head bolts, for performance engines like the LS1. Head Bolt Torque Specifications. Here are the ARP LS1 head ... The oil pump assembly should be tightened down to the engine block using 18 ft-lbs. The pumps cover bolts can be installed after lubing up the oil pump gear. The oil pump cover bolts torque down to 8 ft-lbs. On the bottom end of the pump the pickup tube can be installed and torqued down to the pump using 8 ft-lbs. Well I found this while looking for the torque specs for LS3-L92 heads. Its a complete list of all the torque specs for Gen IV 6.2L engines. Seems to be straight off the service manual for Gen IV motors, specifically Corvettes, LS3/7. Got it from Pace Performance so credit to them. Hope it helps and saves some search time. -Nate Find the torque specifications for various LS engine parts and bolts, including cylinder head bolts, connecting rod bolts, crankshaft bolts, camshaft bolts, and more. The web page lists the torque values for each bolt in different passes and sequences, with a table of values and a diagram. Mar 2, 2010 · I feel like HEADER bolts shouldn't be that high. I think stock torque spec is around 26 ft-lbs. 2000 Lexus GS 300-85,000 miles, daily driver. 1995 Camaro Z28 - 190,000 miles original motor, newly rebuilt heads w/ valve job, M6, mid-length headers, 1.6rr, intake elbow, CAI, air foil, MSD blaster coil, TB bypass, 160* thermostat, flowmaster. Apr 18, 2015 · Torque each bolt initially to 15 ft-lbs. Then install your torque angle gauge and give each bolt an additional 75 degrees of twist. Mark on or near the bolt so you know you’ve tightened it, then ensure the rod can slide back and forth on the crank journal (if not, the rod bearings may be crooked). 1. Start with the center bolt and tighten it to the specified torque (22 ft. lbs. or 30 Nm). 2. Proceed to the bolts on either side of the center bolt and tighten them to the same …As the Trailblazer SS LSA project moves forward , New CNC ported LS3 heads and American racing headers were installed. Terry goes thru the torque specs and b... Steps to Torque LS Head Bolts. To properly torque the head bolts on an LS engine, follow these steps: 1. Start by cleaning the threads of the head bolts and the corresponding holes in the engine block. This ensures proper lubrication and prevents any debris from interfering with the torque process. 2. In this article, we will discuss the torque sequence for the 5.7 Hemi head bolts. 5.7 Hemi Head Bolt Torque Sequence. To properly torque the head bolts on a 5.7 Hemi engine, it is essential to follow a specific sequence. This sequence ensures that the head bolts are evenly tightened, preventing any potential leaks or damage.When it comes to ensuring the integrity and safety of bolted connections, one crucial factor that often gets overlooked is the proper application of torque. The amount of force use...333. black. 02 ss camaro. 15 mm bolts first pass torque of 22 ft/lbs. 2nd pass of 90 degrees on the 15 mm bolts. 3rd pass of 90 on the 15's except fot the 2 on the outside of the head under the valve cover...only 50 degrees on the 3rd pass for those 2 bolts. Then torque the 10 mm bolts to 22 ft/lbs.Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence) 50 degrees. Cylinder Head Bolts (M8 Inner Bolts in Sequence) 22 lb ft. Engine Flywheel Bolts 74 lb ft. Engine Flywheel-to-Torque Converter Bolts 44 lb ft. Engine Front Cover Bolts 18 lb ft.Object moved to here.Chevrolet LS Gen. 4 Aluminum Block Torque Specs. Views: The following specs apply to RPO codes: LS2; LS3; ... Fastener Type: Fist Pass: Second Pass: Final Pass: Main Caps: Inner Bolts: 15 ft.-lbs.-80 degrees: Outer Studs: 51 degrees: Side Bolts-18 ft.-lbs. Connecting Rod Bolts ... Camshafts & Valvetrain, Cylinder Heads, Engine Assemblies ...ARP Ultra-Torque. ™. Fastener Assembly Lubricant. Today's critical - head studs and bolts, main studs and bolts, and driveline - have been designed stronger than ever before to handle the extreme loads. As a results, installation pre-loads - the amount the fastener is stretched during installation - are very high.The proper torque for the L83 head bolts is 70 ft-lbs. To achieve this, you must first set the engine to top dead center (TDC). Then you will need to use a torque wrench and socket adapter to get the correct amount of force on each bolt. When tightening, make sure that all four corners are tightened evenly before moving onto the next corner.Nov 15, 2018 · Joe Cabral showing the proper torque sequence and proper torque of GM LS head bolts.All of Engine Quest LS Head boltsChevrolet Ls Head Bolts Set 2007 – 2016 ... The Ultimate Short-Block Assembly Guide for LS1-LS4 Chevy Engines. When assembling an engine, a certain sequence needs to be followed. Don’t make any assumptions, as every detail must be checked. Let’s start with your expectations, power-wise, budget-wise. You must remain realistic, as a 700-hp nitrous bullet with cast pistons and stock ...This week's video goes over our range of cylinder head fasteners; from OEM torque to yield bolts, ARP head bolts and even their head studs. In this time wit...To properly torque the head bolts on the 2015 GM 6.2 engine, follow these steps: 1. Start by tightening all the head bolts to 22 ft. lbs. (30 Nm) in the specified sequence. 2. Once all the bolts are initially torqued, go back and tighten them an additional 90 degrees in the specified sequence. 3.Object moved to here.Only for ARP Head Bolt Kit Pro Series Part Number : 134-3610 Torque values are based on 75% of the fasteners yield strength. Use the manufacturers (GM) torque sequence, but do not use the engine manufacturers torque specs. ARP TORQUE RECOMMENDATIONS *M11 70ftlbs with ARP Moly or if you must.....85ftlbs with 30wt …8561 posts · Joined 2006. #8 · Sep 13, 2006. Just in case any one else was curious- the ARP rod bolts came with torque and stretch specs. I cancelled the head bolts, I don't think I need them right now. This is the first time I got anything from ARP with vehicle-specefic instructions. Every other time, it was just a chart saying what to ...Well I found this while looking for the torque specs for LS3-L92 heads. Its a complete list of all the torque specs for Gen IV 6.2L engines. Seems to be straight off …Object moved to here. Part Number: 134-3610 & 134-3710 Application: Chevy Gen III LS Series (2004 & later) 8740. Inspect all hardware prior to installation. Look for obvious defects or shipping damages. Please call 800-826-3045 with any questions or issues. To ensure proper thread engagement and accurate torque readings, clean all threads in the block. Read More » LS Head Bolt Torque Specs: Proper Torque for LS Engine Head Bolts 6.0 Powerstroke Stock Head Bolt Torque Specs & Procedure About the 6.0 Powerstroke Engine The 6.0 Powerstroke engine is a diesel engine produced by Ford Motor Company for use in their heavy-duty trucks and…5. Install the cylinder heads and check for any binding or misalignment. 6. Install the head bolts and tighten them hand tight (don’t forget to lubricate the threads, washers, and underside of the head on the bolts). 7. Follow the manufacturer’s recommended torque sequence. Tighten the 11mm bolts in three equal steps to: 11mm x 2.0 Bolts ...LS1 how to has it as 22 ft lbs then 90 degrees then 1-8 90 degrees and 9&10 50 degrees for final pass. I found a thread with Helms info and it says Cylinder Head Bolts (All M11) (1st pass in Seq.) = 22 Cylinder Head Bolts (All M11) (2nd pass in Seq.) = 90 degrees Cylinder Head Bolts (All M11 EXLUDING Med. Length F/R Bolts)Buy the reliable ARP 134-3609 Head Bolt Kit for Gen III/LS Series Small Block Chevy. These ARP Professional Series Head Bolt Kits for 2003 and earlier small block Chevy engines include heavy-duty bolts that deliver 180,000 psi tensile strength. ... ARP 100-9909 - Ultra-Torque Assembly Lube 1.69 ounces $8.44. Items You May Also Consider. …Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence) 50 degrees: Cylinder Head Bolts (M8 Inner Bolts in …Flywheel to Auto Torque Converter Bolt / 44 Generator Bracket Bolts / 37 Generator Rear Bracket to Engine Block Bolt / 18 Generator Rear Bracket to Generator Bolt / 18 Ground Strap to Cylinder Head Bolt / 37 Ignition Coil Bolts / 106 INCH #'s Ignition Coil Wire Harness Connector Bolts / 106 INCH #'s Intake Manifold Bolts (1st pass in Seq.) / 44As the Trailblazer SS LSA project moves forward , New CNC ported LS3 heads and American racing headers were installed. Terry goes thru the torque specs and b...Bolts Not under rocker cover are M8. Cylinder Head Bolt Torque: Step 1 : All bolts M11 and M8: 30Nm. Step 2 : M11 bolts a further 90 degree turn. Step 3 : M11 bolts 1-8 a further 90 degree turn. Step 4 : M11 bolts 9&10 a further 50 degree turn. Sometimes i feel like my life is going nowhere....But then i start my V8.The 6.0 is assembled and already dropped in! Should have that footage ready for you all around the weekend. I had a lot of fun making this video, hope you gu...Here are the ARP LS1 head bolt torque specifications in both foot-pounds (ft. lbs.) and Newton meters (Nm): Step Torque (ft. lbs.) Torque (Nm) Step 1: 22: 30: Step 2: 45: 61: Step 3: 45: 61: Step 4: 90: 122: It is important to follow these torque specifications carefully to ensure proper tightening of the head bolts. This will help maintain the ... Apply ARP Ultra-Torque ® to fastener threads and the underhead of the bolt or underside of the nut. Install fastener hand tight. Use torque wrench to install fastener to the torque value from the chart below. NOTE 1: The torque values represented here are intended to be for general information only, not for specific installations. Torque specifications vary depending on the fastener brand, lubricants, and other factors. Head bolt torque sequence, however, generally remains constant for a given engine. To give you a quick reference of torque sequences, OnAllCylinders’ Lori Sams has created a series of infographics for different engine makes. Head Bolt Kit: 134-3710: Chevrolet LSA, ARP2000, 12pt: Head Bolt Kit: 234-3726: Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts, ARP2000, 12pt: Head Bolt Kit: 234-3725: Chevrolet LS Gen III LS Series small block (2003 & earlier), two lengths, ARP2000, 12pt: Head Bolt Kit: 234-3724: Chevrolet LSA ... Crankshaft Position Sensor Bolt. 18 lb ft. Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) 22 lb ft. Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) 90 degrees. Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head) 90 degrees.Part Number: 234-4313 Application: Chevy LS 2003 & earlier, CA625+. Inspect all hardware prior to installation. Look for obvious defects or shipping damages. Please call 800-826-3045 with any questions or issues. To ensure proper thread engagement and accurate torque readings, clean all threads in the block.The LH6 engine is a 5.3L Gen. IV aluminum engine that replaced the LM4 in 2005. It was the first Gen. IV LS truck engine and offered Active Fuel Management (AFM). The LH6 was available in mid-size SUVs until 2009, and in GM pickups from 2007-09. For marketing purposes, it was also known as the Vortec 5300.5.3 LS Head Bolt Torque Specs. To ensure the proper installation and sealing of the cylinder head on the 5.3 LS engine, it is important to follow the recommended torque specifications for the head bolts. The torque specifications are given in both foot-pounds (ft. lbs.) and Newton meters (Nm). Refer to the table below for the specific torque ...Object moved to here.specifications when installing T-T-Y head bolts. Fel-Pro® head bolt sets are application specific. 1. Before removing T-T-Y head bolts, allow the engine to fully cool. Removing the bolts while the engine is hot can cause cylinder head warpage. T-T-Y bolts should be removed in the reverse order of the sequence of which they are installed. The ...

Well I found this while looking for the torque specs for LS3-L92 heads. Its a complete list of all the torque specs for Gen IV 6.2L engines. Seems to be straight off the service manual for Gen IV motors, specifically Corvettes, LS3/7. Got it from Pace Performance so credit to them. Hope it helps and saves some search time. -Nate. El bracero sikeston missouri

Pick up a Haynes manual for that year. The head torque sequence is important and there is no specific torque number. The Haynes manual will show you how to use a dial torque gauge, as the head bolts are rated in degrees of stretch instead of ft-lbs. This is the torque sequence, look up and purchase the dial gauge as well.Head Bolt Kit Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts, 8740, hex Kit #: 134-3610 . Specifications; Socket Size(s) 10mm hex, 13mm hex: Jobber Price*: $189.13. Instructions for Kits with Standard Flat Washers ... LS7 Torque Specs - Pace Performance The recommended torque spec for a 5.3 L head is 30-35 ft/lbs, using an angle of 15 degrees while tightening each bolt in sequence as specified by your vehicle’s manufacturer. It’s important to note that …10. Tighten the cylinder head bolts. 10.1. Tighten the M11 cylinder head bolts a first pass in sequence to 30 N.m (22 lb ft). 10.2. Tighten the M11 cylinder head bolts a second pass in sequence to 90 degrees. 10.3. 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 in ...Welcome to the LS1.com forums. ... arp head bolt torque. By RallyBoy in forum LT1 Replies: 0 Last Post: 12-16-2007, 03:57 PM. LS2 Cylinder Head Bolt Torque? By brundag5 in forum General Help Replies: 1 Last Post: 01-04-2007, 05:56 AM. Various Bolt torque levels. By Doc99SS in forum General Help ...By following these guidelines and using ARP head bolts, you can ensure the proper installation and torque of the cylinder head bolts on your LS1 engine. This will help maintain the integrity of the engine’s sealing and prevent any potential issues related to head gasket failure. Remember, proper torque specifications and installation ... ARP Ultra-Torque. ™. Fastener Assembly Lubricant. Today's critical - head studs and bolts, main studs and bolts, and driveline - have been designed stronger than ever before to handle the extreme loads. As a results, installation pre-loads - the amount the fastener is stretched during installation - are very high. arp head bolt torque. Has anyone used this method of tightening head bolts? This excerpt is from arp's website. 1. The friction factor changes from one application to the next. That is, the friction is at its highest value when the fastener is first tightened. Each additional time the fastener is torqued and loosened, this value gets smaller.Importance of Properly Torquing Bolts, Torque Sequences and Online Lookup. Fel-Pro, ASE Certified Master Technician, John Gurnig explains the importance of following the correct torque sequence when removing a cylinder head and reinstalling it after head gasket replacement. He demonstrates how to find the proper torque …INSTALLATION METHOD FOR PRO SERIES HEAD BOLT KITS. Part Number: 134-3609 Application: Chevy Gen III/LS Series (2003 & earlier) To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser, part number 912-0011 (M11 X 2.0) and 912-0001 (M8 X1.25).Print. Chevrolet LS Gen. 4 Aluminum Block Torque Specs. Views: The following specs apply to RPO codes: LS2. LS3. LS4. LH6. LC9. L92. Etc. **Click the blue links in the …Aug 1, 2014 · Bolts Not under rocker cover are M8. Cylinder Head Bolt Torque: Step 1 : All bolts M11 and M8: 30Nm. Step 2 : M11 bolts a further 90 degree turn. Step 3 : M11 bolts 1-8 a further 90 degree turn. Step 4 : M11 bolts 9&10 a further 50 degree turn. Sometimes i feel like my life is going nowhere....But then i start my V8. 1604 posts · Joined 2007. #4 · Oct 25, 2009. Also BE SURE to lube the bolt HEADS and the WASHERS. Depending on what you're using as lube, the torque specs are different. With ARP's lube, the torque setting is 10 ft/lbs LESS than with 30W oil. Also, BE SURE to install the washers correctly. Each washer will have a beveled ID edge which …LS1 how to has it as 22 ft lbs then 90 degrees then 1-8 90 degrees and 9&10 50 degrees for final pass. I found a thread with Helms info and it says Cylinder Head Bolts (All M11) (1st pass in Seq.) = 22 Cylinder Head Bolts (All M11) (2nd pass in Seq.) = 90 degrees Cylinder Head Bolts (All M11 EXLUDING Med. Length F/R Bolts)1. Make sure all the head bolts are in perfect condition with clean, undamaged threads. Dirty or damaged threads can give false torque. readings as well as decrease a bolt’s clamping force by as much as 50%! Wire brush all bolt threads, carefully inspect each one, and replace. any that are nicked, deformed or worn. If a bolt doesn’t thread ...However, there is more to tightening rocker’s arms than just bolt torque specs, but more on that later. For now, the LS rocker arm torque specs are 22 lb-ft or 30 N•m. That goes for all LS series engines, with the only difference being the LS9 (ZR1), where GM issued a warning that the rocker arm torque must not exceed 24 lb-ft …Each requires a different tightening method. These OE bolts require a torque-plus-angle. method, while aftermarket fasteners require only a torque value. Also, since the OEM main cap, cylinder head and rod bolts are GM Factory OEM main cap bolts and cylinder head bolts are torque-to-yield style torque-to-yield, they should not be re-used.Torque each bolt initially to 15 ft-lbs. Then install your torque angle gauge and give each bolt an additional 75 degrees of twist. Mark on or near the bolt so you know you’ve tightened it, then ensure the rod can slide back and forth on the crank journal (if not, the rod bearings may be crooked).Head Bolt Torque on LT1. I just replaced the head gasket (s) on my engine. Got about 500 miles on it now. No problems what-so-ever with the gaskets and car is running great. When I did this, I went straight by the GM manual on the torque spec. (22 ft*lbs +80° additional, +67° on short bolts) for the head bolts..

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