454 Head Bolt Torque Sequence

Coat threads of the head bolts with sealing compound and finger tighten all bolts. Installation is the reverse of removal. Torque all head mounting capscrews in three stages to the specified torque. Allow a couple of minutes for the lifters to bleed down. Front stand the recommended torque. Big-block head bolt torque pattern. Mistake 12: Improper Use of Torque Wrench. Download the relevant PDF document to get instructions and torque settings. Use thread sealer on all bolts that go into the water jacket, which means all blocks except Bowtie and aftermarket. 4L-454ci-V8 Engine Torque Specs. 2 The FEL-PRO PermaTorque/Blue Stripe® and PermaTorque/ Printoseal® cylinder head gaskets do not need retorquing. Be sure to torque in an even sequence starting at the center. I'm hoping the threads didn't start pulling out of the deck by torquing to 80 and that caused the head to lift. With the Singh Grooves already machined into the heads, I discovered there is a blockage in the head gaskets. All diagrams can be found in numerical sequence at the back of this publication. com FREE DELIVERY possible on eligible purchases. Step-8: Install Water Pump. Main cap bolt, 396-427 2-bolt. They can run with a factory tune, but a tune is heavily recommended. Torque first to 65 ft. I do not know if they still do. I was able to get it out after drilling several times and using a square easy out/bolt extractor. I do know that there is a good chance ARP has it on their website, though. That is to say, how many foot pounds did it take to turn the bolts just a whisker more. Head Exhaust Header Bolts 14 ft lb On. Studs should prtrude from the head 1. increments over two repetitions with the third repetition to the final tightening specification. Repeat previous steps procedure to the final torque spec. Just be sure the torque and HP specs meet your requirements at the desired. Refer to the 16V Cylinder Head and Head Gasket Removal and Installation procedure for the correct sequence. Chp Torque Charts For Small And Big Block Chevys Tech. Tighten the bolts in a crisscross sequence (starting from the middle and working outwards) to 100 ft. The 3 holes in the head gasket shown by the red arrows in the picture to the left are for parallel flow. Here is the head gasket laid in place, ready for the cylinder head. Mack E-7 History and Technical Information. I am looking for the head bolt torque sequence for a early model 454 chevy engine. This list is not exhaustive and has been based on record information made available to us. the aluminum bolt bosses. * Valve lash gap is 0. How to Install ARP Main Cap Studs. Torque And Bolt Sequence For 454 Cc He Chris Craft 1994 camaro lt1 head bolt torque specs ls1tech solved need 8 1l torque specs to do a head job fixya p relaced a. But probably know it off the top of your head. Big Block Chevrolet Intake Torque Sequence So we got that cool new dual quad tunnel ram and you are going to need to figure out how to get it on and torqued properly. Find CHEVROLET 7. A re-torque of the cylinder head bolts is recommended after heat cycling. outer main cap bolt. GM Engine Torque Specifications and Sequences. This list is not exhaustive and has been based on record information made available to us. Head Bolt Torque Sequence Intake Manifold Diagram in addition Bolt Torque Sequence. 403's used ½" head bolts; all others used 7/16" head bolts. Torque: 50 Nm (37 ft-lbs) In sequence, turn each bolt an additional 90 degrees. Buy ARP 135-3704 Head Bolt Kit: Header Bolts - Amazon. …final machining of valves to match the guides/seats. That is to say, how many foot pounds did it take to turn the bolts just a whisker more. Main cap bolt, 396-427 2-bolt. 925-diameter threaded remote oil cooler passage common to all four-bolt-main-equipped 396, 427, and 454 blocks. BOLT TORQUE SPECIFICATIONS FOR BUICK 400, 430, 455 ENGINES Use a reliable torque wrench to obtain the figures listed below. (60 N-m) in the order shown in Figure 1. the under head of the bolt. Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft. Back off 1/2 turn one bolt at a time (in lengthwise rows) and then retighten to 90 ft. HEAD BOLT TORQUE: Apply moly-oil mixture to washers, and area around head bolt to prevent galling and improper torque readings. i need to know the torque specs for the upper and lower intake bolts and any other information that would be helpful. Also don't just start tightening down the head bolts, there is a pattern, (sequence) to do it in, and at least to stages of torque, three would be better. Stock head bolts get torqued to 70 ft-lbs in three steps of 40, 55, and 70 ft-lbs. Aftermarket studs usually get torqued to 60 ft-lbs, but check with the fastener manufacturer for specific. 2nd pass - 62 lb in. Head bolt torque The cylinder head tightening sequence and tightening torque must be done correctly to ensure no damage to the engine. TORQUE SPECIFICATIONS TORQUE SPECIFICATIONS (4. They say to use ARP moly, no other moly, and to torque to 65 ft lbs, but with alum heads, to torque to 60. Crower Cams & Equipment Co. Depending at what point of the rebuild I would just drill and easy-out the offending bolt. This is a discussion on Torque specs for LS1 motors within the General Help forums, Cylinder Head Bolts (M8 Inner Bolts in Sequence) Torque Converter Bolt. increments over two repetitions with the third repetition to the final tightening specification. Aluminum heads require parallel ground hardened steel washers under the bolt head or nut to prevent galling the aluminum seat. Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft. Never guess. Inner studs - 4. Discover ideas about Leak Repair Chevy Engine Firing Orders 454 and. Apply liquid Teflon to all head bolts that protrude into coolant passages. I just don't want to create a water leak where none existed. In the 1987 Chevy 454, the bolts joining the crankshaft to the engine block require 95 ft. I torqued one head down as the manual describes, and then went back and checked the torque on each bolt. Cylinder heads are installed on a Chevy 454 big block engine by placing the gasket down on the engine block and positioning the heads over the marking tabs. Search Car Torque Specifications by Engine or Model. Remember, heat expands metal, making assembly bolts more difficult to remove and prone to breakage. Cylinder Head Bolt Installation Torque Wrench Method. 2 The FEL-PRO PermaTorque/Blue Stripe® and PermaTorque/ Printoseal® cylinder head gaskets do not need retorquing. Torque Specs Always torque bolts in three equal increments. Find CHEVROLET 7. It is important to use new bolts and proper torquing procedures during reassembly. WAISTED BOLTS STAMPED 10. Tighten all bolts in sequence an additional turn in degrees, using J 36660 tool. 770 long 60 ft lbs M8 side bolts 20 ft lbs (use RTV sealant under the head of bolt). I would be happy to answer any questions for those thinking about trying to fix the typical 454 exhaust leak. As long as you followed proper torquing sequence in multiple stages during assembly, you should enjoy good results for your labor. on cadillac 500 x 743 · 99 kB · gif Source 2003 Honda Accord Intake Manifold Torque Acura and Honda vehicles with V6 engines, having problems with EGR 800 x 569 · 75 kB · jpeg Source. Install the main caps and check for binding or misalignment. Head Exhaust Header Bolts 14 ft lb On. The Torque order is the center bolts in an "X" pattern followed by the outers in a line pattern. 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). Initially, tightening up 1 bolt could loosen the previous bolt's torque, so going over it several times to ensure. Shop Fasteners-Bolts-Washers Shop All » Crank & Cam - Bolts & Washers; Engine & Intake Bolts/Kits ; Engine Mount Bolts & Kits; Flexplate/Flywheel Bolts ; Head Bolt & Head Stud Kits; Header Bolts ; Main Bolts & Studs; Oil Pump, Oil Pan Bolts and Drain Plugs ; Rocker Arm Studs; Rod Bolts ; Kits, Sets, & Misc Fasteners. These head bolts are single use only and once removed must be replaced. the surface of the cylinder head prior to installing. Mark's Racing Engines 8,838 views. EZ Read simple diagram of the Big Block Chevy Cylinder Head Torque Sequence. They say to use ARP moly, no other moly, and to torque to 65 ft lbs, but with alum heads, to torque to 60. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Originally Posted by norvelplagbao52 1993 saturn sl2 1. I've never used a torque wrench on them personally. Rod Torque In. As long as you followed proper torquing sequence in multiple stages during assembly, you should enjoy good results for your labor. I make a habit of going back over the bolts to check the torque after the manifold has compressed the gaskets. These bolts are engineered to stretch within a controlled “yield zone”. Never guess. With a carburetor and high-flow GM Performance Parts intake manifold, the LSX454 is good for about 620 horsepower and 600 lb-ft of torque —or about 580 hp and 600 lb-ft. That is to say, how many foot pounds did it take to turn the bolts just a whisker more. A re-torque of the cylinder head bolts is recommended after heat cycling. A few of us have made headless bolts that are about 1/2" longer than the thickness of the manifold. Torque Specs Always torque bolts in three equal increments. They were a great deal. 46 responses to "Torque Specifications for Briggs and Stratton" need the torque and sequence to tighten head bolts on briggs 26 hp model # 44p777 type 0412e1. The first two polish and burnish the bolt threads, the nut surface. There is an exact sequence, but, IMO this will do: Torque the 2 center fasteners (1 each side on an intake, 1 long & 1 short on a head) Go to next fastener set either fore or aft and torque those 2. In sequence, torque all bolts. Apply torque in 25 ft. Tighten until you get to the needed. Its better to take your time and tighten in several steps. I am looking for the head bolt torque sequence for a early model 454 chevy engine. These catalog pages represent just a few of the parts we stock. Please refer to the 403 CID Engine detail section as well! [ Thanks to for this information ] Olds Diesels come in a few varieties: Oldsmobile produced diesel engines in 4. for 1/2" bolts or studs (351W) in three or four steps following the factory tightening sequence. If you use any other head bolts, you must use the eight head bolts and washers supplied with these heads in positions #15,#8, #2, and #7 in Figure 1. Tighten the bolts alternately per the sequence and pattern shown below. Be sure to torque in an even sequence starting at the center and working outward. Step 2: torque all bolts an additional 90 degrees Recheck final torque in sequence *** CAUTION *** engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. Bolt torque specs. Some or all bolts/studs are often a different length than the bolts used on the stock cast iron head. Main Bearings 110 ft. The Factory service manual uses a Criss cross sequence and 7-9, 15-17 and 24-26 lbs Nightrider. 7L) Application Ft. Cylinder head bolts , Stainless engine fastener kits. Essential bolt torques are: main bearing cap bolts connecting rod cap bolts cylinder head bolts close. its power and torque. Be careful! the heads of some bolts look similar and some even have the same markings. Depending at what point of the rebuild I would just drill and easy-out the offending bolt. The GM 454 engine was set up for either ‘parallel’ or ‘serial’ cooling flow. Bolt Torque Spec Chart for Chevy Big Block Chevy Fastener Type Torque Specs Main cap bolt, 396-427 2-bolt 95 ft. Mercruiser Big V8 Fastener Torque Spec's. The 3 holes in the head gasket shown by the red arrows in the picture to the left are for parallel flow. Here are the torque sequence for wheels with 4, 5, 6 and 8 Lugs. NOTE: When using ARP head bolts, TA Performance recommends torquing bolts # 4, #1 and #2 to 110 lb f t. Chevy 350 4 bolt main torque sequence new images dart s shp a new generation of small block chevrolet chevy transam 350sbc big block chevy head torque sequence. m) Balance Shaft Gear Bolt Step 1 15 (20) Step 2 Additional 35 Degrees. Once all the bolts are removed, the cylinder head may be removed from the engine. 9K = 100 ft / lbs PARALLEL BOLTS STAMPED 10. Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. Its better to take your time and tighten in several steps. Studs should prtrude from the head 1. High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that. 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). Tighten the bolts first pass in sequence to 5 Nm (44 inch lbs. On the next pass, turn all of the bolts in sequence except for those on the front and the rear of the head by 90 degrees. NO Don't ASK why I know this k Hope this helps! Head Bolt Torque Sequence. 7L) Application Ft. Torque sequence for big block aluminum heads Special considerations. tightening sequence at least once, because. These bolts are engineered to stretch within a controlled "yield zone". ft, 136 Nm Final step = 110 lb. Mistake 12: Improper Use of Torque Wrench. I cant find the Chiltons I have so I need to know the torque spec and sequence for tightening the head bolts. The history of the engine is steeped in technology, tradition and good old American gumption one would expect from Mack. To put it in perspective going from a 300hp 350 to the 310hp 454 my Chapparal picked up 4mph just due to the fact I could run a larger prop and still get on plane due to the extra torque even though both engines made same hp. Im trying to put the head back on my Td9-91. The bolt bosses adjacent to the exhaust port exits (position 2, 7, 8, and. See our Performance Carburetors, Intake Manifolds, Cylinder Heads, Crate Engines, Electronic Fuel Injection. Torque all head mounting capscrews in sequence to 125 lb-ft (170 N•m). Torque sequence & pound spec's-Intake manifold gasket repair I removed the 4 bolts that hold the bed on and slided the bed back 4ft with my neighbors help and use. ft, then go to 50, 75, and 100 lb ft. What is the torque on cylinder heads for a 1974 chevy truck, 2 barrel, 4 bolt main, 350 engine? Update: torque sequence on to 40 inside bolts to the outside. Search Car Torque Specifications by Engine or Model. Pace Performance offers world famous engine combinations that can't be beat!. outer main cap bolt. The Edelbrock #8551 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. then retorque to the full torque or 90 ft. There is an exact sequence, but, IMO this will do: Torque the 2 center fasteners (1 each side on an intake, 1 long & 1 short on a head) Go to next fastener set either fore or aft and torque those 2. The best source for Mercruiser OEM parts, marine engines, boat & engine parts, accessories, boating supplies, tools, & aquatic sporting goods. With the intake manifold in place, thread in all the bolts by hand, snug them, and then torque to 30 ft-lbs following the tightening sequence shown in the Appendix. Torque: 30 Nm (22 ft-lbs). 9 dohc cylinder head torque specs and sequence Cylinder head bolt tightening procedure:. How do the 1st two body styles of the Riviera compare - numbers-wise? Well, as you can see, the Riviera grew steadily as the body styles changed. Use a torque. NO Don't ASK why I know this k Hope this helps! Head Bolt Torque Sequence. Here is the head gasket laid in place, ready for the cylinder head. On the next pass, turn all of the bolts in sequence except for those on the front and the rear of the head by 90 degrees. the aluminum bolt bosses. 9K = 100 ft / lbs PARALLEL BOLTS STAMPED 10. As long as you followed proper torquing sequence in multiple stages during assembly, you should enjoy good results for your labor. Affix a new gasket to the front lifter bracket (or vent. 80 is what the instructions that came with the head studs said to torque them to. 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. Serious race engine builders mostly use high strength ARP studs to anchor the main caps. Late Bowtie, Dart Merlin, iron and aluminum Dart 360, Edelbrock, Dart Pro 1 (mfg before 1/1/15, use 235-4118 after 1/1/15), AFR, Profiler 24° 1. Cylinder Head In. That is to say, how many foot pounds did it take to turn the bolts just a whisker more. Thanks! Tom. Tractor Engine. What is the torque for valve cover. Here is the head gasket laid in place, ready for the cylinder head. I haven't seen this hardware configuration cause much trouble on ASET AI engine when tightened per procedure. Crankcase Cover/ Sump In. Tighten each bolt 1/4 turn (90 degrees). Re: Cylinder Head Torque Thanks for the info guys! I made up a cardboard protractor, and did a bit of an experiment. Big Block Chevy. If the cylinder head bolts protrude into a blind hole, lubricate the threads of the bolts with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. The GM 454 engine was set up for either ‘parallel’ or ‘serial’ cooling flow. † Tighten the cylinder head bolts to 44 ft. Torque sequence for big block aluminum heads Special considerations. The best source for Mercruiser OEM parts, marine engines, boat & engine parts, accessories, boating supplies, tools, & aquatic sporting goods. ) Intake Manifold Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7. 396-454 CID - BBC Firing Order. Thanks Mike. For 10mm head studs, torque the cylinder head nuts to 23 ft-lbs. Torque Specs Always torque bolts in three equal increments. of torque to join to the engine block, and the oil pan bolts to the engine block with 25 ft. 3L Intake Manifold Bolts 1994-1995 Second Picture is for 1996 & Newer-Intake Manifold Tightening Sequence **Third picture is for the tightening sequence of Cylinder head bolts on 1996+Newer models. Chevy Suburban 7. 2 The FEL-PRO PermaTorque/Blue Stripe® and PermaTorque/ Printoseal® cylinder head gaskets do not need retorquing. com FREE DELIVERY possible on eligible purchases. Over 6,000 Automotive Torque Specs. See our Performance Carburetors, Intake Manifolds, Cylinder Heads, Crate Engines, Electronic Fuel Injection. Chevy 454 Vs. Tighten the bolts alternately per the sequence and pattern shown below. Intake Torque. Once they reach this zone, they spring back to provide a precise level of clamping force over the entire. Install the cylinder head(s) and check for binding or misalignment. Conversely, chasing head bolt threads with a die is never recommended, because the bolt threads are rolled. 13 Cylinder Head Bolt Tightening Sequence. Affix a new gasket to the front lifter bracket (or vent. These catalog pages represent just a few of the parts we stock. Step 5: Remove the cylinder head. ) Intake Manifold Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7. Tighten each bolt 1/4 turn (90 degrees). what do you guys recommend? Also, I was going to use "the right stuff" to seal the bolt threads, but it seems like if I retorque the heads later, the seal will be broken. Torque sequence & pound spec's-Intake manifold gasket repair I removed the 4 bolts that hold the bed on and slided the bed back 4ft with my neighbors help and use. Save yourself a headache - use a high-quality torque wrench to tighten the head bolts in at least 3 steps. * Includes adapter bushings if needed to fit both 7/16" and 1/2" head bolts. Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft. Chevy 454 Vs. of torque the head bolts should be tightened to and also the tightening order of the head bolts when I re-assemble?. 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. 45 ft/lbs is the recommended torque. Big Block Chevrolet Intake Torque Sequence So we got that cool new dual quad tunnel ram and you are going to need to figure out how to get it on and torqued properly. The head bolt boss heights and required bolt lengths are listed below (See Fig. 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. Serious race engine builders mostly use high strength ARP studs to anchor the main caps. New head bolts are always recommended - cleaning with a wire wheel is workable in a pinch. GM head stud, 65 foot pounds rocker arm stud, 50 foot pounds (lubed with oil) There is also a torque sequence, for heads and intake manifolds. You want the third (and final) step to be the largest jump. - KawiForums - Kawasaki Motorcycle Forums. Tighten the bolts alternately per the sequence and pattern shown below. A guide to automotive tools and their proper use. Use thread sealer on all bolts that go into the water jacket, which means all blocks except Bowtie and aftermarket. I've never used a torque wrench on them personally. 9 dohc cylinder head torque specs and sequence Cylinder head bolt tightening procedure:. 2 Installing Page 15-25 After replacing, replace coolant 3 - Oil deflector Verify correct installation position above intake camshaft between cylinders 1 and 2 4 - Cylinder head bolt Always replace Follow sequence of removal Page 15-20. Repeat previous steps procedure to the final torque spec. Tractor Engine. In sequence, torque the cylinder head bolts. Torque: 30 Nm (22 ft-lbs). The bolt bosses adjacent to the exhaust port exits (position 2, 7, 8, and. Mack E7 engine, Main Bearing Bolt torque 115-125 lb. Bolts or PartsLube or SealerTorque to: Main Caps 396-427 (2 bolt) Engine Oil95 ft-lbs. This list is not exhaustive and has been based on record information made available to us. The ARP bolts have instructionsthat are confusing and contradictory. Heads and manifolds can end up warped if the proper tightening sequence is not followed. 4L/454 ARP High Performance Series Cylinder Head Bolt Kits and get Free Shipping on Orders Over $99 at Summit Racing! ARP High Performance series head bolt kits are tough. 1959-75 Chevrolet engine torque value charts give you the correct bolt tightening requirements to prevent damage. What is tightening sequence for head bolts on 454? i believe that any 454 bbc head will bolt up to any 454 Block. A re-torque of the cylinder head bolts is recommended after heat cycling. Once they reach this zone, they spring back to provide a precise level of clamping force over the entire. ) Intake Manifold Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7. Cylinder Head Bolts Gen + First Sequence Angle Torque Second Sequence Short Bolt Medium Bolt. 2 Installing Page 15-25 After replacing, replace coolant 3 - Oil deflector Verify correct installation position above intake camshaft between cylinders 1 and 2 4 - Cylinder head bolt Always replace Follow sequence of removal Page 15-20. IH 674 - D239 Head Bolt Tightening Order discussion in the Farmall & International Harvester (IHC) forum at Yesterday's Tractors. Tighten until you get to the needed. The Mack e7 engine is the backbone of the almighty Mack Bulldog fleet. There's even a specific tow/RV cam meant to maximize torque in the 2500-3500 range called the SUM-8718. ft, 136 Nm Final step = 110 lb. Torque all of the cylinder head bolts in two steps and in proper sequence. * For valve train kit order FDS464. What is tightening sequence for head bolts on 454? i believe that any 454 bbc head will bolt up to any 454 Block. Then anti-sieze, drop in new bolt, torque to spec. Step 2: torque all bolts an additional 90 degrees Recheck final torque in sequence *** CAUTION *** engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. Serious race engine builders mostly use high strength ARP studs to anchor the main caps. What should the torque sequence of cylinder head bolts be for 454 7. ARP bolts What torque spec do I use? The head and gasket 'instructions' say nothing. The Edelbrock #8551 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Initially, tightening up 1 bolt could loosen the previous bolt's torque, so going over it several times to ensure. I am using the Felpro head gaskets which, as I understand it, are not supposed to need retorquing. the aluminum bolt bosses. I do know that there is a good chance ARP has it on their website, though. On the next pass, turn all of the bolts in sequence except for those on the front and the rear of the head by 90 degrees. Working on a cool engine avoids burned arms, hands and fingers. Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. Following the cylinder numbers of 1 - 8 (1, 3, 5, 7 on drivers side, and 2, 4, 6, 8 on passenger) you would tighten them down 3, 6, 4, 5 for the "X" pattern, then 7, 8, 2, and finish on 1. Aluminum heads require parallel ground hardened steel washers under the bolt head or nut to prevent galling the aluminum seat. Torque: 30 Nm (22 ft-lbs). At headbolts. You need to basically torque them down in sequence to the first step, then go back through and torque them down to the next. For the LS1/LS6, torque all of the fasteners in sequence to 22 ft. Lubricate the under head of the bolt and the washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. ft, 122 Nm Step 2 = 100 lb. The drop in version of that is SUM-8712. 90-100 is was what was suggested to me this time around. Read the tech article on CHP Torque Charts For Small- And Big-Block Chevys, brought to you by the experts at Chevy High Performance Magazine If you change to a set of ARP rod bolts, for. Apply torque in 25 ft. That is to say, how many foot pounds did it take to turn the bolts just a whisker more. For the LS1/LS6, torque all of the fasteners in sequence to 22 ft. then retorque to the full torque or 90 ft. Over 6,000 Automotive Torque Specs. Torque Specifications Crankshaft Reject Size Model Series Idle Speed Armature Air Gap Valve Clearance Intake Valve Clearance Exhaust Valve Guide Reject Gage Flywheel Nut Ft. Special Nut and Bolt Torque Data Mounting the Engine in the Stand Cylinder Head General Removal Reconditioning Valve and Valve Seats Valve Seat Inserts Nozzle Sleeves Valve Guides Valve Assembly Valve Lever Assembly Cylinder Head Installation Sequence for Torquing Cylinder Head Retightening Cylinder Head by Row-Torque Procedure Valve Lash. If you're not using our specs and our lube, you have no real idea what pre-load you're getting. 770 long 60 ft lbs M8 side bolts 20 ft lbs (use RTV sealant under the head of bolt). torque-to-yield bolts. The Factory service manual uses a Criss cross sequence and 7-9, 15-17 and 24-26 lbs Nightrider. Intake Manifold Torque Sequence. Main cap bolt, 396-427 2-bolt. GM head stud, 65 foot pounds rocker arm stud, 50 foot pounds (lubed with oil) There is also a torque sequence, for heads and intake manifolds. Chevy 350 4 bolt main torque sequence new images dart s shp a new generation of small block chevrolet chevy transam 350sbc big block chevy head torque sequence. This is the Head Bolt Torque Sequence (Pattern) for the Mark IV Big Blocks, Rat. The heavy duty engines were usually parallel flow and required the proper head gasket. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Dip the bolts in clean engine oil and install them into the cylinder block until the heads of the bolts lightly contact the cylinder head.