Sbc intake torque specs aluminum heads

Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. When using heads with 1/2" holes on blocks with 7/16" threads, we recommend using ARP's 254-3708 or 254-4401 kit with their 200-8598 bushings. If you are using ARP hardware, follow their recommended torque specifications.

Head Hunter™ F Series/15° ST 5.0 Series/20° Track 1 Ford Compatible Series/20° Mopar Compatible Heads Menu Toggle. B1 Series/15°/18° Spec Heads Menu Toggle. ASCS / SUPR Series Cylinder Heads To Fit Chevy – Ford – Mopar; V6 Chevrolet Compatible Heads Menu Toggle. 90° V6 Series Cylinder Heads/23° BRODIX Aluminum Blocks …Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. When using heads with 1/2" holes on blocks with 7/16" threads, we recommend using ARP's 254-3708 or 254-4401 kit with their 200-8598 bushings. If you are using ARP hardware, follow their recommended torque specifications.Big Block Chevy Head Bolt Torque Specifications. Long Head Bolts 75 - 80 Ft/Lbs. Short Head Bolts 65 - 68 Ft/Lbs. I would also add make sure you torque the bolts in steps. Do a first round hand tight, second round at. 50% torque (OK, let's just say 35 Ft/Lbs) then final round at specs.Maxx 200 SBC(Sold in Pairs) Maxx 200 SBC. (Sold in Pairs) $ 950.00 – $ 1,525.00. The Maxx 200 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 280cfm. This head has produced over 550 hp on pump gas and mild cam .383. Spring Options.Jun 2, 2012 · This is on a small block Chevrolet. I know Socket head cap screws will only fit in some places, because the Diameter of the cap screw head is too large and a 3/8 nut is larger ! 69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau ...

Posted 05/31/18 by OnAllCylinders Staff. Last updated on 12/29/2021. The L92 is a 6.2L, Gen. 4, small block engine used in GM luxury trucks and SUVs between 2007 and 2008. For marketing purposes, it was also known as the Vortec 6200. The information listed here is for a stock L92 engine. Mechanically similar, General Motors’ LS and LS-based ...If in doubt and if you're using an Edelbrock aluminum intake and heads for example then call their 1-800 number to get the right on the money answer. Some manufactures may specify a different torque value for their products,better to know for sure instead of taking a chance and the messing up the threads. :anim_25: :shakehands:GM 350 Intake Manifold Bolts Torque Specifications. by Anne Davis. The 350 is a member of Chevrolet's small block engine family. First built in 1967, this 5.7-liter engine is featured in such vehicles as the Chevrolet Camaro and Nova. Throughout its life, the 350 has had numerous models identified by letter combinations such as L-48 and LT-1. Comes fully assembled with heavy duty components. Designed to bolt right up to your small block Chevy engine. Features an all-aluminum construction with a natural finish. Head bolts are tested to over 180,000 PSI and has a 1/2" wrench size and a 1.375" thread length. Head gaskets offer superior heat dissipation and have a compression thickness ... Despite the LT1’s engineering shortcomings up front, it was a terrific factory small block sporting a nodular iron crank, powdered metal “cracked” connecting rods, and hypereutectic pistons. In 1992, the LT1 yielded 300 hp. By the end of production in 1997, it was making 330 factory ponies in the powerful LT4.novaderrik. 18123 posts · Joined 2002. #4 · Dec 30, 2010. it is NOT the same specs as a regular small block chevy. if you try to torque the correct flanged vortec intake bolts to 30 lb ft, you will wind up snapping the bolts. i believe the proper spec is something like 15 lb ft, but i just used my short 3/8" ratchet and snugged them down on ...Received 2 Likes on 2 Posts. Re: ZZ4 head bolt pattern and torque specs (Paul 73 Coupe) The torque sequence is the same as any small block. Start at the center between the two exhaust valves and work out from here. 65# of torque will work fine. Be sure to use lube on the underside of the bolt head and to use sealer on the threads.

Big Block Chevy Intake Bolt Torque Specifications. 25 Ft/Lbs – Aluminum Heads 35 Ft/Lbs – Iron Heads. The torque spec can be anywhere from 25-35 on Iron heads, but for aluminum I tend to go towards the lower side. IF you do have a spec from the manufacturer follow that. Make sure threads in the head are clean and in good shape.#1 · Jun 12, 2011. Hello all, I just bought a set of aluminum heads to install on my 406 sbc. My question was are the torque specs. different on aluminum heads as to the stock …Can you paint aluminum siding? Yes, you can! However, you should find out what you need to know before starting. Expert Advice On Improving Your Home Videos Latest View All Guides ...2) Soak the Gaskets 2-3 hours (if they are porous) for a better seal. 3) Use small-head 1-inch long bolts for the proper thread bite and ease of reassembly and torquing. Dont forget the washers. 4) ALWAYS USE ANTI-SEIZE compound. NEVER use Thread Locker such as Locktite on header bolts. 5) Torque bolts to 11 ft-lbs on the first pass …

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Actual torque spec to use is set by the BOLT or STUD manufacturer, not the company that made the heads..... after all it is the bolts you are tensioning. Only time …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: 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 ...25 Jul 2013 ... Re-torque cylinder head ... Engine Building Part 12 - Installing an Edelbrock Performer Dual Plane Intake Manifold SBC 350 ... 5.3 Head Install and ... Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. When using heads with 1/2" holes on blocks with 7/16" threads, we recommend using ARP's 254-3708 or 254-4401 kit with their 200-8598 bushings. If you are using ARP hardware, follow their recommended torque specifications. Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. When using heads with 1/2" holes on blocks with 7/16" threads, we recommend using ARP's 254-3708 or 254-4401 kit with their 200-8598 bushings. If you are using ARP hardware, follow their recommended torque specifications.

BP AK 275. BP AK 285. BD Series Cylinder Heads/12°/13.5°. WP BD 2000. WP BD 2300. WP BD 1010. BRODIX is serious about quality and workmanship at every step of the process. Small Block Chevy Compatible aluminum Cylinder Heads SBC.On the dyno, the Victor Jr. put up the best numbers yet with the Brodix as-cast cylinder heads, punching out 684.1 lb-ft of torque at 687.1 hp. Victor Jr. to Weiand Track Warrior Intake. Brodix ...On the plus side, the Vortec intake port flows 42 cfm better than the stock heads at 0.500-inch lift and 18 cfm better on the exhaust side. Vortec Iron, Scoggin-Dickey Modified PN SD8060A2, $779. ...May 26, 2004 · 413 posts · Joined 2001. #1 · May 26, 2004. I'm now going to install my manifold and then headers onto my (pro topline) aluminum heads. I'm using ARP bolts for the manifold, and ARP studs for the headers. ARP says 39ft lbs, but I once stripped out a thread (P.I.T.A.) at 30ft lbs, so im definately wary of doing that again. These aluminum 327 Chevy heads match the original design that came out on the 1961 Corvette Fuelie, but instead of heavy cast iron, these are made from aluminum, shaving 40 pounds of unnecessary weight. They feature 180cc intake and 62cc exhaust ports, same as the original 461s, flowing an impressive 232 cfm at .500” lift on …These lightweight aluminum heads bolt up to your small block Chevy and feature 195cc intake/75cc exhaust runners, 64cc combustion chambers, and 2.02" intake/1.60" exhaust valves. They're fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Maximum output for less money! Designed and produced by BluePrint Engines.I have aluminum heads and aluminum intake ,I used ARP head studs ,intake bolts and header bolts ,the intake is torqued to 35 lbs exaust to 35 lbs and safety wired heads 90 &80 , The Aluminum Heads are not the problem ,it is the torque yield of the fastners ,use good quality fastners ,Felpro no retorque gaskets,you will not have a problem,on the small block make sure the intake bolts are long ...Intake Manifold, Vortec Head Design. Designed for 283-400-cubic-inch engines using Vortec cylinder heads P/N 12558060, P/N 19300956, P/N 19300955, P/N 19331470, or P/N 19331472. Has 4-bolts per side to attach it to these cylinder heads. Aluminum high-rise design maximizes horsepower and delivers a broad torque curve.Aug 5, 2023 · Bolt Tightening Order And Pattern For Chevy 350 Intake Torque Specs. Step one. Disassembly. Disconnect your battery and drain all coolants. Next, remove all peripheral items: cases in point are fuel lines, engine covers, vacuum lines, wiring connectors, EGR tubes, air intake, and throttle cable. aluminum manifold, aluminum heads, bolt torque. Jump to Latest Follow. 38K views 8 replies 6 participants last post by 1BAD80 Nov 7, 2004. W. william27103 …

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#1. This weekend im starting my AFR install, Now being that there aluminum im guessing back off on the torque specs a little? Id hate to strip a thread half way …Also be sure to lube the underside of the bolt head and washer to ensure a clean torque reading. Follow the correct torque sequence also. Three steps for head bolts, do them all at 30 lbs, then 50lbs, and then 65-70 ft.lbs. Intake manifold 20-25 ft.lbs. Exhaust manifold, 20-25 ft.lbs. Rocker arm studs 40-45 ft.lbs. in aluminum.7/16 Rocker Arm Stud Kit, intake only, 8 pc ... Chevrolet Big Block Dart aluminum head exhaust bolts only, (8 pieces), ARP Stainless, 12pt Head Bolt Kit. 435-3705: Chevrolet Big Block with Edelbrock Big Victor 12° Heads, 8740, 12pt Head Stud Kit. ...As far as the nut torque spec, go to ARP's site and look it up, they are all different depending on the size, length and style of the stud. There are more than one stud style for the SBC, so look it up by the part # of the studs you have. The fact that the heads are aluminum makes no difference. ARP torque specs are frequently different than ...3. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser, part number 911-0004 (7/16-14). 4. Install the cylinder head(s) and check for binding or misalignment. 5. Position the chamfered side of the washer on the bolt so it faces the bolt head.Here is one source: Standard operating procedure with a small block Chevy and aluminum heads and production bolts is to use hardened steel flat washers under the heads of the bolts, coat the threads with waterproof goop and torque bolts to 65 ft/lbs. I usually go 35, then 50, then 65. The Techinspector has you covered.With a 76cc chamber head on a 350 Chevy, your compression ratio will be around 8.5:1 assuming the use of a 0.041 inch thick head gasket and the piston is between 0.015 to 0.020 inch below the deck surface. Just by changing to smaller 64cc heads, the compression ratio improves from 8.5:1 to 9.7:1 with no other changes.What is the torque specification for an aluminum intake manifold with aluminum cylinder heads on a SBC 350 (ZZ4)? Most of the spec's I'm running across are assuming cast iron heads, stating 25 ft. lbs. I've also run across spec's indicating 33 ft. lbs. for GM 3.7L (aka 350) but no distinction was made for cast iron or aluminum heads. The ...Whether you're building or buying, the perfect computer isn't necessarily the product of the most expensive parts. Your perfect spec list makes up the machine that works best for y...

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INSTALLATION INSTRUCTIONS. Use either Edelbrock #7201 or Fel-Pro #1256 (#1205 for aftermarket heads) intake gasket set when installing this intake manifold. Fully clean …On the plus side, the Vortec intake port flows 42 cfm better than the stock heads at 0.500-inch lift and 18 cfm better on the exhaust side. Vortec Iron, Scoggin-Dickey Modified PN SD8060A2, $779. ...The GM torque spec is for steel bolts going into steel heads. If you have aluminum heads, you should be applying the bolt torque specified by the manufacture of the heads. Bolt torque into aluminum is usually something in the range of 1/2 to 2/3 of the torque applied by the same bolt into steel.aluminum manifold, aluminum heads, bolt torque. Jump to Latest Follow. 38K views 8 replies 6 participants last post by 1BAD80 Nov 7, 2004. W. william27103 Discussion starter. 137 posts · Joined 2004. #1 · Nov 6, 2004. I can't find the torque specs for an aluminum intake manifold on aluminum cylinderheads anywhere. Can any of you guys help me?60 ft-lbs. Bellhousing. (Transmission to Block) Engine Oil. 25 ft-lbs. Small block chevy torque specifications for Main Caps, Connecting Rods, Heads, Cam Sprocket, Rocker Studs, Oil Pump, Timing Cover, Harmonic Damper, Valve Covers, Oil Pan, Exhaust Manifolds, Intake Manifold and Spark Plugs.Definition. Rocker arm studs are threaded metal rods that secure the sbc head torque to the cylinder head gaskets in an internal combustion engine. They serve …413 posts · Joined 2001. #1 · May 26, 2004. I'm now going to install my manifold and then headers onto my (pro topline) aluminum heads. I'm using ARP bolts for the manifold, and ARP studs for the headers. ARP says 39ft lbs, but I once stripped out a thread (P.I.T.A.) at 30ft lbs, so im definately wary of doing that again.Aluminum gutter guards are one of the best options you can get to protect your home. Our guide breaks down the best one the market. Expert Advice On Improving Your Home Videos Late...9449 posts · Joined 2012. #4 · Apr 10, 2013. I have aluminum heads and aluminum intake ,I used ARP head studs ,intake bolts and header bolts ,the intake is torqued to 35 lbs exaust to 35 lbs and safety wired heads 90 &80 , The Aluminum Heads are not the problem ,it is the torque yield of the fastners ,use good quality fastners …Not for use on Gen II 1992-96 LT1/LT4 engines with reverse-flow cooling system. Fast Burn Aluminum Cylinder Head Assembly. • CNC-machined aluminum performance cylinder head. • Completely assembled with 2.000"/1.550" valves. • 210cc intake port, roof raised .240". • 78cc D-shaped exhaust ports, raised .200" – requires Fel-Pro® exhaust ...Torque Specifications of Chevy 327s. Chevrolet first introduced the 327 small-block engine in 1962. Based on the smaller 283 engine, the 327 was manufactured in a variety of configurations to produce different power ratings. Regardless of the configuration, the 327's torque specifications are identical. ….

Fourth Generation (2005-2020) The fourth-generation Chevy small block took the LS series to its full potential. There were the standard LS1 and LS6 replacements, the LS2 and LS3, the front-wheel drive-only LS4, and three record-breaking performance versions, the LS7, LS9, and LSA.The fourth-gen LS intake manifold bolt torque specs …The Edelbrock installation flyer that came in the box of my RPM Air-Gap intake manifold provides a bolt torque sequence and recommends using a ...The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for the stock LQ4 engine. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family ...Full-CNC. Speedmaster™ CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. CNC combustion chambers offer superior control over flame travel and quench area.Various aluminum head vendors recommend 70 ft/lbs on bolts or studs. In the Corvette service manual, Chevrolet recommends different torque for the short, medium and long bolts. I tend to trust ARP, but 80 ft/lbs sounds sounds like a LOT of torque to apply to aluminum heads. The guy at ARP said that if you use their moly thread lube, you can ...The FloTek 180cc aluminum alloy casting cylinder heads are the answer. Featuring 180 cc ports with a unique design made for versatility, the FloTek SBC head is one of the best …Small Block Ford Intake Bolt Torque Specifications. 18 Ft/Lbs - Aluminum Heads. 22-25 Ft/Lbs - Iron Heads. Do the torque in 2 steps, first just hand tight, second with the torque wrench. IF you do have a spec from the manufacturer follow that. Make sure threads in the head are clean and in good. shape.The best option up until recently was to use 305HO heads, 416s or 601s. I just saw a set of these ZZ4 heads on ebay, the aluminum 1.94/1.50 58cc L98 D-port style heads for sale. I have read all over that they are good heads, and with a roller cam .474/.510 and 208*/221* @ .050" they make 355 HP/410 TQ with 10:1 compression.Bottom line: Changing just the carb, intake, and cam nets a 21.5-lb-ft, 55hp gain over the ZZ4's baseline configuration. These are easy bolt-ons well within the capability of the average hot ...GM 350 Intake Manifold Bolts Torque Specifications. by Anne Davis. The 350 is a member of Chevrolet's small block engine family. First built in 1967, this 5.7-liter engine is featured in such vehicles as the Chevrolet Camaro and Nova. Throughout its life, the 350 has had numerous models identified by letter combinations such as L-48 and LT-1. Sbc intake torque specs aluminum heads, Apply oil or suitable thread lubricant to head bolt threads and under side of bolt heads and washers. Torque to 95 ft./lbs. in three steps (45-65-95) following the factory tightening …, #1 · Jun 12, 2011. Hello all, I just bought a set of aluminum heads to install on my 406 sbc. My question was are the torque specs. different on aluminum heads as to the stock …, The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for the stock LQ4 engine. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family ..., All aluminum heads should be torqued to the. bolt manufacturer’s specifications. This should be done in the proper General Motors sequence in 10 ft./lbs. increments beginning at 40 ft./lbs. Moly lube should be applied between fasteners, washers and area around head bolt to prevent galling and improper torque values., Here is one source: Standard operating procedure with a small block Chevy and aluminum heads and production bolts is to use hardened steel flat washers under the heads of the bolts, coat the threads with waterproof goop and torque bolts to 65 ft/lbs. I usually go 35, then 50, then 65. The Techinspector has you covered., Jun 2, 2012 · This is on a small block Chevrolet. I know Socket head cap screws will only fit in some places, because the Diameter of the cap screw head is too large and a 3/8 nut is larger ! 69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau ... , Comes fully assembled with heavy duty components. Designed to bolt right up to your small block Chevy engine. Features an all-aluminum construction with a natural finish. Head bolts are tested to over 180,000 PSI and has a 1/2" wrench size and a 1.375" thread length. Head gaskets offer superior heat dissipation and have a compression thickness ..., Intake manifold bolts and head studs/bolts have to be torqued in a certain pattern and to a certain torque spec in order for your engine to work properly. Intake manifold bolts on SBC engines should be torqued to 30 lb-ft in a two-step sequence., Not for use on Gen II 1992-96 LT1/LT4 engines with reverse-flow cooling system. Fast Burn Aluminum Cylinder Head Assembly. • CNC-machined aluminum performance cylinder head. • Completely assembled with 2.000"/1.550" valves. • 210cc intake port, roof raised .240". • 78cc D-shaped exhaust ports, raised .200" – requires Fel-Pro® exhaust ..., Firing Order: 1, 8, 4, 3, 6, 5, 7, 2. Illustrated here is the correct position for the spark plug wires on the distributor cap, as well as the correct firing sequence. This Tech Tip is From the Full Book “ SMALL-BLOCK CHEVROLET: STOCK AND HIGH-PERFORMANCE REBUILDS “. For a comprehensive guide on this entire subject you can visit this link:, Big Block Chevy Head Bolt Torque Specifications. Long Head Bolts 75 - 80 Ft/Lbs. Short Head Bolts 65 - 68 Ft/Lbs. I would also add make sure you torque the bolts in steps. Do a first round hand tight, second round at. 50% torque (OK, let's just say 35 Ft/Lbs) then final round at specs., I eed to know which specs to go with eith the Cast Iron specs or the Aluminum block specs below. Any help on this would be greatly appreciated. Chevrolet Big-Block Iron Engines Component Torque Camshaft Sprocket Bolts 20 ft. lbs. Cylinder Head Bolts Long 70 ft. lbs. Short 70 ft. lbs. Cylinder Head Studs Long 65 ft. lbs. Short 65 …, 2) Soak the Gaskets 2-3 hours (if they are porous) for a better seal. 3) Use small-head 1-inch long bolts for the proper thread bite and ease of reassembly and torquing. Dont forget the washers. 4) ALWAYS USE ANTI-SEIZE compound. NEVER use Thread Locker such as Locktite on header bolts. 5) Torque bolts to 11 ft-lbs on the first pass …, Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. When using heads with 1/2" holes on blocks with 7/16" threads, we recommend using ARP's 254-3708 or 254-4401 kit with their 200-8598 bushings. If you are using ARP hardware, follow their recommended torque specifications. , Full-CNC. Speedmaster™ CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. CNC combustion chambers offer superior control over flame travel and quench area., 60 ft-lbs. Bellhousing. (Transmission to Block) Engine Oil. 25 ft-lbs. Small block chevy torque specifications for Main Caps, Connecting Rods, Heads, Cam Sprocket, Rocker Studs, Oil Pump, Timing Cover, Harmonic Damper, Valve Covers, Oil Pan, Exhaust Manifolds, Intake Manifold and Spark Plugs., Full-CNC. Speedmaster™ CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. CNC combustion chambers offer superior control over flame travel and quench area., On the dyno, the Victor Jr. put up the best numbers yet with the Brodix as-cast cylinder heads, punching out 684.1 lb-ft of torque at 687.1 hp. Victor Jr. to Weiand Track Warrior Intake. Brodix ..., ARP thread sealer to head bolt threads, and apply engine oil or ARP lubricant to the head bolt washers and underside of bolt heads. Torque bolts to 65 ft./lbs. in three steps (40-55-65), following the factory tightening sequence (See Figure 3). Check to make sure engine has proper grounds to chassis. When pouring coolant back, In most cases you don't need to retorque head bolts or studs. If the bolts or studs aren't tight you will lose compression or get coolant in your cylinders. You can use bolts or studs based on ..., Comes fully assembled with heavy duty components. Designed to bolt right up to your small block Chevy engine. Features an all-aluminum construction with a natural finish. Head bolts are tested to over 180,000 PSI and has a 1/2" wrench size and a 1.375" thread length. Head gaskets offer superior heat dissipation and have a compression thickness ..., Small Block Ford Intake Bolt Torque Specifications. 18 Ft/Lbs - Aluminum Heads. 22-25 Ft/Lbs - Iron Heads. Do the torque in 2 steps, first just hand tight, second with the torque wrench. IF you do have a spec from the manufacturer follow that. Make sure threads in the head are clean and in good. shape., Small Block Chevy Intake Manifold Bolt Torque Specifications. 25 Ft/Lbs. Make sure you follow the sequence in a couple of steps, worry about this more on old and aluminum manifolds. Cast Iron is much more forgiving if you are unfortunate to have to use a boat anchor of an intake. Some Common Intake Manifold Installation Tips., 22557 posts · Joined 2007. #3 · Aug 1, 2015. Spec for the SBC is 65-70 ft.lbs with factory bolts.....75 ft.lbs isn't going to hurt anything....but if you want to re-torque, it is a good idea, you will find that the gasket has relaxed some under the compressive force of the head, and you will find some bolts seem looser, usually the longer ..., 18123 posts · Joined 2002. #4 · Dec 30, 2010. it is NOT the same specs as a regular small block chevy. if you try to torque the correct flanged vortec intake bolts to 30 lb ft, you will wind up snapping the bolts. i believe the proper spec is something like 15 lb ft, but i just used my short 3/8" ratchet and snugged them down on my Nova and ..., Received 1,275 Likes on 815 Posts. Torque Specs stay the same, cast iron or aluminum heads. Over torque causes cylinders to distort but I have never heard of a change in torque aluminum head to cast iron or visa versa. A performance engine or any engine will always benefit from taking the torque down evenly in 3 steps IE: 35 Lbs, 55 Lbs, to ..., I used the fel pro 1010 on my sbc with dart aluminum heads they worked fine. by jmarkaudio » Thu Feb 07, 2008 4:19 am. 1010 are OK with a stock bore and is a copper ring, a little close on a 4.155 or more. 1003 and 1004 used to be regular wire ring, 1014 and 1034 were pre-flattened wire., Intake Manifold, Vortec Head Design. Designed for 283-400-cubic-inch engines using Vortec cylinder heads P/N 12558060, P/N 19300956, P/N 19300955, P/N 19331470, or P/N 19331472. Has 4-bolts per side to attach it to these cylinder heads. Aluminum high-rise design maximizes horsepower and delivers a broad torque curve., The Edelbrock installation flyer that came in the box of my RPM Air-Gap intake manifold provides a bolt torque sequence and recommends using a ..., 20 Mar 2016 ... 2002 Chevy Avalanche 5.3L Intake Torque Sequence and Install ACDelco Ignition Knock Sensor - https://amzn.to/2N0nG4H Dorman Knock Sensor ..., Small Block Chevy Head Bolt Torque Specifications. Step 1 25 Ft/Lbs. Step 2 45 Ft/Lbs. Step 3 65 Ft/Lbs. For Head Studs or aftermarket bolts CHECK YOUR INSTRUCTIONS, SBC studs are available in a ton of. different styles depending on heads and stud diameters. Some People do only 1 or 2 steps to reach the final torque. , Small Block Chevy Intake Manifold Bolt Torque Specifications. 25 Ft/Lbs. Make sure you follow the sequence in a couple of steps, worry about this more on old and aluminum manifolds. Cast Iron is much more forgiving if you are unfortunate to have to use a boat anchor of an intake. Some Common Intake Manifold Installation Tips., Intake Manifold Bolts (Cast Iron Head) 25 ft.-lbs. Oil Pump Bolt: 65 ft.-lbs. Cam Sprocket Bolts: 20 ft.-lbs. Harmonic Damper Bolt: 85 ft.-lbs. Flywheel/Flexplate Bolts: ... you should follow the recommended torque specifications. Related Products: Camshafts & Valvetrain, Cylinder Heads, Engine Assemblies, Intake Manifolds, Other Engines ...