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Ls head bolt torque?
4 Aluminum Block Torque Specs LS Fastener Torque Specifications. If you want peace of mind then buy new ones and torque them to the old school torque specs in 3 increments of 25, 45 and 65. Jun 28, 2023 · The recommended torque spec for a 5. Learn the correct LS head bolt torque sequence for proper engine assembly. If there was a way to eliminate friction, we'd only need to torque head bolts to 10 ft and the head gasket would seal no problem. Available methods include placing a dot on the bolt head and observing how far the bolt head is turned, using an inexpensive degree wheel to your wrench, or by using a professional-grade torque digital torque wrench that provides both torque and degree modes. Allen, and hex-style screws for a variety of engine types, including Cummins diesel, LS1, 6. Cylinder Head Bolt (Optional On-Vehicle Strategy) First Pass in Sequence 26 ft. 8 on the top of them, then they can take a little more torque - 37nM or 25ft/lbs of torque. Jun 28, 2023 · The recommended torque spec for a 5. Jun 28, 2023 · The recommended torque spec for a 5. #c10 #chevy #lsswap #chevytrucks #lsswaptheworld #cammed5. Inspect all hardware prior to installation 8. Nov 15, 2018 · Joe Cabral showing the proper torque sequence and proper torque of GM LS head bolts. In some cases the stretching approaches the bolts' elastic limit, permanently stretching them. Generally, when using OEM hardware, the cylinder head bolts should be tightened to 89 lb-ft (121 Nm), while the connecting rod bolts should be tightened to 40 lb-ft (54 Nm). Is there anywhere on line I can get the torque specs for the bolts? thanks Willi Sep 13, 2009 #3 T Today I installed and torqued down my LS1 cinder heads for my ls swapped is300 projectChevrolet Orange Engine Painthttps://amzn. 29 that it will voluntarily recal. the haynes manual says pre-95 torqued to 65 ft/lbs. Then install the bolts and tighten them hand. Cylinder Head: Head casting numbers are found externally at the far right end of the head on the exhaust-port side. For more information on technical bulletins available through APRA call 703-968-2772 or visit wwwcom. See below for torque specs and sequence. DGAP Preliminary announcement fin. Find the torque data, bolt order, and … Torque the M8 bolts (#11-15) in 1 pass. 2 engine: Their head bolts provide superior strength, reliability, and precision torque specifications, ensuring proper clamping force and preventing head gasket failures. for some reason ARP HEAD BOLT KIT - 04+ LS ENGINES - 134-3610. Fasteners that list an angle are Torque to Yield (TTY). What is the torque specs for LS head bolts? Sometimes you need that extra power to take you to the next level, and our Pro Race series transmission is the perfect choice. 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. IIINSTALLATION METHOD FOR HEAD BOLTINSTALLATION METHOD FOR HEAD. All of Engine Quest LS Head bolts Chevrolet Ls Head Bolts Set 2007 – 2016 43, 50,. Ensure proper installation for optimal performance and reliability. LS Fastener Torque Specifications. Ensure a secure seal and optimal engine performance. He's been earning more than $30 million annually, mostly from endorsements. Learn how to tighten the cylinder head bolts in sequence and the recommended torque values for … Westech’s Steve Brule was torquing the head bolts on an iron block LS 6. I did a lot of mock-up on the rotating assembly and could see the clamping torque on the fastener drop immediately after one re-torque. Jun 28, 2023 · The recommended torque spec for a 5. i need the torque specs for the rod bolts and main bolts thanks. Part Number: ARP-234-434133 out of 5 stars. Bolts are rated at 200,000 psi. Rod Bolt Torque? By white lightning in forum Internal Engine Replies: 2 Last Post: 05-27-2007, 06:39 PM. The torque specifications are given in both foot-pounds (ft) and Newton meters (Nm). Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) 90 degrees. Cylinder Head: Head casting numbers are found externally at the far right end of the head on the exhaust-port side. This is the Head Bolt Torque Sequence (Pattern) for the Small Blocks, Mouse Motors. Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) 22 lb ft. The torque specification for caliper bolts is an essential factor in ensuring the safe and proper installation of brake calipers on a 2006 Sentra. If you use ARP or other aftermarket fasteners, follow the instructions that came with your new hardware. 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. Coolant Air Bleed Pipe and Hole Cover to Cylinder Head Retaining Bolt Learn the recommended torque specifications for ARP head bolts on LS engines. Feb 16, 2017 · First Pass 15lbft +85Degrees. All of Engine Quest LS Head bolts Chevrolet Ls Head Bolts Set 2007 – 2016 43, 50,. 3L head is dependent on the type of bolts and fasteners used. Learn the correct LS head bolt torque sequence for proper engine assembly. If replacing the cylinder head bolts, tighten the new bolts with 30 N-m, or 22 lb-ft of torque. It is hard work, and slow work, but i. If a bolt doesn't thread into a hole smoothly with finger force alone, there. 240 deck - Warhawk aluminum block w/ Warhawk 12° LS7 heads: No, it is not close, it is the same. Follow the step-by-step guide to ensure proper installation and sealing of … Learn how to tighten main cap bolts, cylinder head bolts, connecting rod bolts and other engine fasteners for LS engines. LS Engine and Cylinder Head Casting Number Locations. Nov 20, 2018 · Importance of Properly Torquing Bolts, Torque Sequences and Online Lookup. 3L head is dependent on the type of bolts and fasteners used. You can make it a little harder for would-be thieves to pilfer you. Learn the correct LS head bolt torque sequence for proper engine assembly. Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) 22 lb ft. Be sure to tighten down all the head bolts in a cross patter as this ensures that even torque gets pressed on the head gasket. The calculation of those values is solely up to the rod manufacturer. Camshaft retainer plate bolts: 18 ft-lb; Camshaft gear bolts: 26 ft-lb; Flywheel bolts: 15ft-lbs, 37 ft lbs, 74 ft lbs; OE timing chain damper bolts: 18 ft-lb; Oil. 1. Nov 15, 2018 · Joe Cabral showing the proper torque sequence and proper torque of GM LS head bolts. 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. 4 Aluminum Block Torque Specs LS Fastener Torque Specifications. Part Number: TFS-920110 out of 5 stars. LS1Howto All specs are taken from Helms/GM documentation for a 2000 Model F-body. HE-05191 Chevrolet LS Gen. Head Bolt Torque (for OEM head bolts only, if using performance bolts/studs refer to the manufacturer's specifications): refer to the diagram. Recommended torque is equal 75% of the fastener's yield strength. Allen, and hex-style screws for a variety of engine types, including Cummins diesel, LS1, 6. Jun 28, 2023 · The recommended torque spec for a 5. str trunks Got about 500 miles on it now. Expert Advice On Improving You. Block: Left rear, top of block just forward of the bellhousing mounting surface. Ensure a reliable engine seal. T-56 Transmission Torque Specs. Clutch Torque Specs. 4 Aluminum Block Torque Specs LS Fastener Torque Specifications. Torque specifications define the amount. i used arp bolts torqued 25, 45, 65 in sequence of course. The Saab automatic transmission consists of a three-element torque converter and a hydraulically operated gearbox. Estimated Ship Date: Today Camshaft Retaining Plate Bolts Torque spec : 18 ft-lbs : Crankshaft Postition Sensor Torque spec : 8 ft-lbs : Cylinder Head Torque Specs ; Cylinder Head Torque Specs (Smaller M8) 22 ft-lbs: Cylinder Head Torque Specs (Medium M11) 22 ft-lbs + 90° + 50° Cylinder Head Torque Specs (Longest M11) 22 ft-lbs + 90° + 90° Rocker Arm Torque specs. Nov 15, 2018 · Joe Cabral showing the proper torque sequence and proper torque of GM LS head bolts. 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. Following the manufacturers recommended torque sequence, shown below, torque the nuts per steps 1-4 BTR CUSTOM ARP 1/2" HEAD STUD KIT - 03+ LS The store will not work correctly in the case when cookies are disabled Cylinder Head Bolts & Studs. Crankshaft Balancer Bolt – First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes Learn the LS head bolt torque specs for proper tightening of engine head bolts. The torque specifications for automobile engine cylinder head bolts are located on the Federal-Mogul Motorparts website. Its a complete list of all the torque specs for Gen IV 6 Seems to be straight off the service manual for Gen IV motors, specifically Corvettes, LS3/7. A21BRAVO MERCH PAGE - https://teespring. Got about 500 miles on it now. Flexplate / Flywheel Bolts: with thread locker - 60 ft-lbs. The 6. gas prices waukesha wi Learn how to tighten LS cylinder head bolts to the manufacturer's torque and sequence for different generations and models. I used stock bolts and added 8mm lock washers. Cylinder Head: Head casting numbers are found externally at the far right end of the head on the exhaust-port side. 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 ARP's torque spec is based off 75% of the fastener yield strength. Throttle Control: Corvette = Drive By Wire, F-Body / GTO = Cable Throttle. Jan 26, 2018 · Westech’s Steve Brule was torquing the head bolts on an iron block LS 6. Learn the correct torque specifications for 6. Fasteners that list an angle are Torque to Yield (TTY). my engine swap 372" Motor I put into my International Scout. I'd lose the iron heads too. This will ensure a clean and accurate torque reading Apply a small amount of engine oil to. Head Bolt Kit Chevrolet LS Gen III LS Series small block (2003 & earlier), two lengths, 8740, hex Kit #: 134-3609. Related Products:Camshafts & Valvetrain, Cylinder Heads, Engine Assemblies, Oiling Systems, Other Engines & Components, Pistons & Piston Rings. valheim frost arrows Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Engine Torque Specs. Listed here are the general torque recommendations for most ARP fasteners. Only vertical torque applicable Strong. 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. Refer to the table below for the specific torque. 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. Coolant Air Bleed Pipe and Hole Cover to Cylinder Head Retaining Bolt Learn the recommended torque specifications for ARP head bolts on LS engines. The torque specifications are given in both foot-pounds (ft) and Newton meters (Nm). 3 LS engine, it is important to follow the recommended torque specifications for the head bolts. Tighten bolts 11 through 15 to 24 Nm (18 lb-ft). Part Number: TFS-920106 out of 5 stars. 3rd pass of 90 on the 15's except fot the 2 on the outside of the head under the valve cover. Learn the correct LS head bolt torque sequence for proper engine assembly. Learn the correct LS head bolt torque sequence for proper engine assembly. LS1Howto All specs are taken from Helms/GM documentation for a 2000 Model F-body. They both have a similar appearance, but they differ in their applicati. 8L Chevy engine, the cylinder head bolts and gaskets are at the forefront. The LQ4 is a 6 3) small block engine used in GM trucks between 1999 and 2007.
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LS Flexplate Bolt Torque And Size. Repeat this process for the other cylinder head. Camshaft Retainer Bolts - TORX® Head Bolts 15Y 11lbft Camshaft Sprocket Bolts 25Y 18lbft Clutch Pressure Plate Bolts 70Y 52lbft Connecting Rod Bolts - First Pass 20Y 15lbft Connecting Rod Bolts - Final Pass 85degrees Coolant Air Bleed Pipe and Cover Bolts 12Y 106lbin 2004 LS 180 turbo 332T/JF engine bolt torque specs. Failure to keep these. All of Engine Quest LS Head bolts Chevrolet Ls Head Bolts Set 2007 – 2016 43, 50,. Feb 8, 2021 · Complete cylinder head install on a Ls6 engine with the torque sequence using an Automotive Torque Angle Gauge 360 Degree Rotating Wrench Angle Measuring Tool. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Engine Torque Specs. Feb 16, 2017 · First Pass 15lbft +85Degrees. Exhaust manifold bolts first pass: 11 ft-lb; Exhaust manifold bolts final pass: 18 ft-lb; Miscellaneous OE Torque Specs. Follow step-by-step instructions for achieving optimal clamping force. lb I need the head bolt torque and sequence specs for the 5. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Engine Torque Specs. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Engine Torque Specs. Crankshaft Balancer Bolt – First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes Learn the LS head bolt torque specs for proper tightening of engine head bolts. Factory OE and examples of specific aftermarket specifications Applying the correct tightening values for threaded engine fasteners is critical for any engine build. Learn the correct LS head bolt torque sequence for proper engine assembly. navage side effects Torque the M8 bolts (#11-15) in 1 pass. Watch this video to find out more. 96-97 torqued to 22 and an additional 67 degrees on the short bolts and an additional 80 degrees on the medium and long. In the process, the oil drain bolt threads may be stripped or the oil drain bolt h. Then install the bolts and tighten hand tight. What is the torque specs for LS head bolts? Sometimes you need that extra power to take you to the next level, and our Pro Race series transmission is the perfect choice. Block: Left rear, top of block just forward of the bellhousing mounting surface. 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. To ensure the proper installation and sealing of the cylinder head on the 5. Fastener Tightening Specifications Application Metric / English. Be sure to tighten down all the head bolts in a cross patter as this ensures that even torque gets pressed on the head gasket. NOTE 1: The torque values represented here are intended to be for general information only, not for specific installations. The torque specifications are given in both foot-pounds (ft) and Newton meters (Nm). apple store midlothian va 96-97 torqued to 22 and an additional 67 degrees on the short bolts and an additional 80 degrees on the medium and long. We were using ARP head studs and the torque spec called for 70 lb-ft of torque. Learn how to properly torque the head bolts on an LS engine, a series of V8 engines produced by General Motors. Fourth Generation (2005-2020) The fourth-generation Chevy small block took the LS series to its full potential. The torque specifications are given in both foot-pounds (ft) and Newton meters (Nm). LS2 Cylinder Head Bolt Torque? By brundag5 in forum General Help Replies: 1 Last Post: 01-04-2007, 05:56 AM. Cylinder Head Bolts: use engine oil for blind holes and thread sealer for water jacket holes - 65 ft-lbs. Repeat this process for the other cylinder head. Feb 8, 2021 · Complete cylinder head install on a Ls6 engine with the torque sequence using an Automotive Torque Angle Gauge 360 Degree Rotating Wrench Angle Measuring Tool. Connecting Rod Bolts: 3/8", with engine oil - 45 ft-lbs. Be sure to tighten down all the head bolts in a cross patter as this ensures that even torque gets pressed on the head gasket. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Engine Torque Specs. Views: The following specs apply to RPO codes: -lbs. Part Number: 234-4341 Application: Dart LS Next, iron block, 23 bolt head NOTE: The following torque recommendation is based on the stud capability only To ensure proper thread engagement and accurate torque readings, clean all threads in the block. 134-3611: Chevrolet LS Gen III/IV, 1/4˝ wide flange, 0. That should get your attention GM LS engine head bolts, for example, are TTY fasteners that can only be used once. Fuel Injector Flow: LS2 (Car) Cylinder Head Specs; Casting Numbers: 799, 243: Material: Aluminum: Combustion Chamber Volume: 65cc: Intake Port Shape. For example, when ARP makes hex nuts, the process is so precise that the product. eras tour verified fan A degree torque wrench or standard wrench degree dial is needed for accuracy. Listed here are the general torque recommendations for most ARP fasteners. Crankshaft Balancer Bolt – First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes Learn the LS head bolt torque specs for proper tightening of engine head bolts. For marketing purposes, it was also known as the Vortec 6000 Cylinder Head Bolt Style: Torque to Yield (TTY) Torque to Yield (TTY) Cylinder Head Bolt Size 1999-2003 (8) M11 x 2 x 155, (2) M11 x 2 x 100, (5) M8 x 1. The LS lifter tray torque specs vary between different versions of the engine. Sales of the Bolt, GM’s first EV and one of the cheapest on the. Then install the flexplate onto the crankshaft and tighten the bolts hand tight. Feb 16, 2017 · First Pass 15lbft +85Degrees. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Engine Torque Specs. Then install the bolts and tighten hand tight. Coolant Air Bleed Pipe and Hole Cover to Cylinder Head Retaining Bolt Learn the recommended torque specifications for ARP head bolts on LS engines. Jun 28, 2023 · The recommended torque spec for a 5. A21BRAVO MERCH PAGE - https://teespring. Ensure proper installation for optimal performance and reliability. Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) 90 degrees. Nov 20, 2018 · Importance of Properly Torquing Bolts, Torque Sequences and Online Lookup. What Are The LS Flexplate Bolt Torque Specs? The LS flexplate torque specs vary based on the LS generations. Connecting Rod Bolt: 50 ft.
Find the torque data, bolt order, and installation tips for LS1, LS3, LS4, LS7, LS9, and LSA engines. You can make it a little harder for would-be thieves to pilfer you. Nov 20, 2018 · Importance of Properly Torquing Bolts, Torque Sequences and Online Lookup. Spin the bolt clockwise 90° or 1/4 turn if the torque standard is 90°. However, there is an exception for the LS9 (ZR1) engine, where the torque must not exceed 24 lb-ft to prevent the aluminum head threads from stripping. take me to olive garden Cylinder Head Bolt Style: Torque to Yield (TTY) Cylinder Head Bolt Size (1997-2003) (8) M11 x 2 x 155, (2) M11 x 2 x 100, (5) M8 x 1 Throttle Body: 78mm, 3-Bolt. lt made 427rw and 405ftlbs l think it was. Appearance/Detailing LS1. To ensure the proper installation and sealing of the cylinder head on the 5. If using metric-sized bolts, the specification should be 118 Nm (87 lb) plus an additional 90 degrees of rotation with a torque angle gauge. Install fastener hand tight. army sponsorship program Block: Left rear, top of block just forward of the bellhousing mounting surface. Related Products:Camshafts & Valvetrain, Cylinder Heads, Engine Assemblies, Oiling Systems, Other Engines & Components, Pistons & Piston Rings. 600 Lift, 3-bolt, Excellent Power and Torque, 57, 62, 7. Is there anywhere on line I can get the torque specs for the bolts? thanks Willi Sep 13, 2009 #3 T Today I installed and torqued down my LS1 cinder heads for my ls swapped is300 projectChevrolet Orange Engine Painthttps://amzn. Be sure to tighten the right bolts to the right specs as this is a critical component of the engines functionality. A21BRAVO MERCH PAGE - https://teespring. Tighten the M11 cylinder head bolts (1-10) a first pass in sequence to 30 Y (22 lb ft) Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using J 45059 Tighten the M11 cylinder head bolts (1-10) a final pass to 70 degrees using J 45059 Tighten the M8 cylinder head bolts (11-15) to 30 Y (22 lb ft). Fasteners that list an angle are Torque to Yield (TTY). jupiter trine midheaven transit Learn the correct LS head bolt torque sequence for proper engine assembly. Coolant Air Bleed Pipe and Hole Cover to Cylinder Head Retaining Bolt Learn the recommended torque specifications for ARP head bolts on LS engines. Torque to Yield (TTY) Cylinder Head Bolt Size (10) M11 x 2 x 100, (5) M8 x 1 Headbolt and Intake torque specs The head bolt manufacturer, like ARP for example, may recommend different specs depending on the lubricant used, etc A forum community dedicated to all LS1 and LT1 powered vehicles owners and enthusiasts. Coolant Air Bleed Pipe and Hole Cover to Cylinder Head Retaining Bolt Learn the recommended torque specifications for ARP head bolts on LS engines. Repeat this process for the other cylinder head. If you use ARP or other aftermarket fasteners, follow the instructions that came with your new hardware.
There will either be a cover or plate at the bottom of the bellhousing that conceals the. Fastener Tightening Specifications Application Metric / English. BOLD = THE TWO MEDIUM LENGTH BOLTS IN EACH UPPER CORNER 10 Tighten the M8 cylinder head bolts (11-15) to 30 N Begin with the center bolt (11) and alternating side-to-side, work outward. 333 02 ss camaro. Application: CHEVY GENIII/LS SERIES SM BLK Cap Screw without Washer - Rod Bolt Installation [1] Please check the part-number(s) for your application. A degree torque wrench or standard wrench degree dial is needed for accuracy. 22 ft-lbs, plus 76°, plus 76°. The torque specs for LS head bolts is very important to know when completing any engine repair or maintenance on an LS series engine. I'd lose the iron heads too. Torque the M8 bolts (#11-15) in 1 pass. Torque the M8 bolts (#11-15) in 1 pass. TORQUE PROCEDURETORQUE PROCEDURE 8. Rod Bolt Torque? By white lightning in forum Internal Engine Replies: 2 Last Post: 05-27-2007, 06:39 PM. Torque specs for LS1 motors. The fourth-gen LS intake manifold bolt torque specs are the same for all, but you also need the supercharger cover. verizon close time Coolant Air Bleed Pipe and Hole Cover to Cylinder Head Retaining Bolt Learn the recommended torque specifications for ARP head bolts on LS engines. Got it from Pace Performance so credit to them. Find the torque data, bolt order, and … Torque the M8 bolts (#11-15) in 1 pass. Want it in your inbox? Get. 3 engine: Clean the threads of the head bolts and the bolt holes in the engine block using a suitable cleaning agent. lb Second Pass in Sequence 44 ft. See below for torque specs and sequence. LS1 Cylinder Head Specs; 1997-1998 Casting Numbers (Perimeter Valve Cover Bolts) 10215339, 12550592, 12558806:. Tighten bolts 11 through 15 to 24 Nm (18 lb-ft). Then install the bolts and tighten them hand. Cylinder Head: Head casting numbers are found externally at the far right end of the head on the exhaust-port side. 0L engine that had just received a new set of heads. If using metric-sized bolts, the specification should be 118 Nm (87 lb) plus an additional 90 degrees of rotation with a torque angle gauge. 20 in) band of thread-lock GM P/N 12345382 or equivalent to the threads of the M8 cylinder head bolts Install (not tighten) the M8 cylinder head bolts See this to tighten the head bolts and for the pattern. LS1/6 head bolt torque in ft lbs l'ts been a minute since my last post. When it comes to fastening two objects together, using the correct amount of torque is crucial. 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. If you use ARP or other aftermarket fasteners, follow the instructions that came with your new hardware. Mar 11, 2024 · LS head torque is simple in ft-lbs, while the second and third passes’ cylinder head bolt torque is degrees. metra tracker Learn how to tighten the cylinder head bolts in sequence and the recommended torque values for each bolt. 2008 Corvette Z06. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). Engine Torque Specs. If you use ARP or other aftermarket fasteners, follow the instructions that came with your new hardware. com CYLINDER HEAD BOLT TORQUE SPECS (tightening) / (loosening) 8, 4, 2, 6, 10 Home New posts Search forums New posts New profile posts Latest. Ensure a reliable engine seal. 4L60-E Transmission Torque Specs. When it comes to assembling mechanical components, ensuring proper bolt tightening torque is crucial for maintaining structural integrity and preventing failures 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. Cylinder Head Bolts - M8 Inner Bolts in Sequence 30Y 22lbft Cylinder Head Coolant Plug 20Y 15lbft Cylinder Head Core Hole Plug 20Y 15lbft Driveline Close-Out Panel Bolt 12Y 106lbin Driveline Support Bolt 50Y 37lbft Driveline Support Plug 50Y 37lbft Engine Block Coolant Drain Plugs 60Y 44lbft 5. The head bolt torque for the fourth generation (LS2, LS3, LS4, LS7, LS9, LSA) starts with bolts 1-10 and is 22 ft-lb for the first pass, 90° for the second pass, 70° for the third pass, and then 22 ft-lb for bolts 11-15 as the final pass. Block: Left rear, top of block just forward of the bellhousing mounting surface. I know how to use a torque wrench to set torque to a specific ft/lbs but I don't know how to measure the angle turned by ratcheting. 500000: Width: Furthermore, there is a significant difference in stretch between the long and short cylinder head bolts or studs on the same head. Follow the manufacturer's recommended torque sequence. HE-05191 Chevrolet LS Gen. ARP LS1 Head Bolt Torque Specs. 3 LS engine, it is important to follow the recommended torque specifications for the head bolts. Factory OE and examples of specific aftermarket specifications Applying the correct tightening values for threaded engine fasteners is critical for any engine build. Cylinder Head: Head casting numbers are found externally at the far right end of the head on the exhaust-port side. Be sure it sits properly on the dowels.