Sbc Aluminum Head Torque Specs

Connecting rod bolts (heavy duty) 50-55 ft. (see Warning below) Some are retained with self-locking bolts that have a non-serrated head and lock patch and use a lock strap. The use of aluminum allows the engine to cool much faster than if it had an iron block and aluminum. Hi, I'm new to socal jet boats and fairly new to jet boating. I found it had some pitting near the right front corner. This engine will give you the reliability you want for your street cruiser while still having the power you need. It has the Performer RPM cam and intake on it with headers also 4 speed with 3. The LS2 in the Chevrolet Trailblazer SS and the Saab 9-7X Aero are rated at 395 bhp (295 kW) (2006–2007) or 390 bhp (290 kW) (2008–2009) and 400 lb·ft (542 N·m) of torque due to a different (sometimes referred to as a "truck") intake manifold that produces more torque at lower RPMs. 081" thick copper gaskets. dart shp sbc 200cc aluminum heads set-up for solid flat tappet and hydraulic roller cams hyd flat tappett and solid roller cam setups also available perfect for 327, 350, 383 and 400 ( may need steam holes for 400 engines ) 64cc combustion. For instance, torque specifications are necessary when performing cylinder head installations. For those, use the ARP spec which should be 95 pount feet. 4, aluminum small block engine used in GM trucks and SUVs between 2007-2011. 7 motor with roller lifters. If a vehicle was ordered with as “high-performance” with a big block, that engine received rectangular-port heads. This is a discussion on Torque Spec sheet within the Camaro / SS forums, part of the Vehicle Specific category; I was browsing this forum a while ago and stumbled upon a tread or link to a bunch of torque. torque wrench * Refrigeration-type quick disconnect tools for fuel connections on EFI engines. Everybody Wants More Horsepower! All Of Our Small Block Customers Have Been Asking For A Reliable And Affordable Big Power Combination. Torque Specs • Standard Cam Location – 4. 050 - 112 degree lobe separation. Before you put those heads on, save yourself the trouble and have them helicoiled or whatever the other method is. Bolts or Parts Cylinder Heads *1963-1967 427. 234-4123 Chevrolet with high torque starter, SS, hex Starter Bolt Kit. For iron heads, the final torque value is 22-24 lb-ft. Torque: Head Bolts = 70 ft/lb. Torque the nuts to 70 ft lbs for ARP Moly Asembly Lubricant (or ARP thread sealer) or torque to 85 ft lbs with 30 wt. The basic tightening procedure is to snug up fastner in stages. * follow factory torque sequence BIG CHRYSLER 383, 400, 440 B/RB Engines Fastener Type Torque Specs Main cap bolts 85 ft. The block is prepared the same as our racing engines. Use the manufacturer's torque sequence but do not use the engine manufacturer's torque specs. SPEC heads available for DIRT, USMTS/USRA, WISSOTA, SAS and NLMS. UHL (Qty: 2). I found the sequence online, and have new bolts also. The torque requirements of the head bolts and the lower intake manifold bolts are specified in the manual, and should be followed, since the head is aluminum and thus a little vulnerable to damage. Iron Eagle CNC-machined cast-iron heads are popular aftermarket bolt-on replacements for many Ford street and race aficionados looking for budget-friendly horsepower and torque improvement. The engine uses 4340 5. This Chevy aluminum head is loaded with high end features like bronze valve guides, multi angle valve job, and 3/8" screw-in rocker studs with guideplates. different on aluminum heads as to the stock cast iron heads? I do have new bolts with washers and they came with Teflon tape on the threads, shouldn't I be using some kind of assy. imperialsupplies. Cast Iron Cylinder Heads 55 ft-lbs. 11-10-11 12:08 PM - Post# 2156494 In response to busterrm I sure see the absolute requirement, not just 'need' for screw in studs on any and every aluminum head with stud rocker arm setups. Pro Filer Small Block Chevy All American Heads with 185cc Intake Runner, 2. Everybody Wants More Horsepower! All Of Our Small Block Customers Have Been Asking For A Reliable And Affordable Big Power Combination. $700 is for one bare unported SPEC head. Available in 3 stages of performance. If you lost the connecting rod instruction sheet, below are the proper torque specs for our rod bolts Ultra Part # Engine Group Description Bolt Material Torque Stretch **Ultra Values based on use of ARP Ultra Lube** U15814 BB FORD I BEAM BBF 6. They say to use ARP moly, no other moly, and to torque to 65 ft lbs, but with alum heads, to torque to 60. BluePrint Engines offers small block Chevy cylinder heads, big block Chevy cylinder heads, GM LS cylinder heads, and small block Ford cylinder heads. A rust damage this mostly happens to fasteners that are exposed to the weather likes the outer cylinder head off most domestic V8 engines. Use the manufacturer's torque sequence but do not use the engine manufacturer's torque specs. Thanks Also anyone know the torque specs on the bolts for the accessory brackets with aluminum heads? Im installing the third gen serpentine set up and cant find a bolt torque. lbs with the supplied bolts and lockwashers. and towing capabilities. (Example: On the sealed cylinder head bolt, the hex head portion of the bolt breaks away at 65 ft lbs. For example; 30 ft. The ZZ4’s Corvette-derived high-performance heads feature high velocity intake runners and D-shaped exhaust ports to promote efficient and unobstructed flow through the engine—providing strong power and torque at all RPM levels. 2005 Chevy Equinox - Photos 2005 Chevrolet Reviews 2005 Chevy Equinox - Price Quote. When using a Merlin head on a Mark V or VI block, you must use Mark V or VI head gasket depending on which one was used Pistons: Most 26° aftermarket pistons Spark Plugs:. 5L Diesel V8 644 (183) Chevy 400 SB 470 (235) aluminum heads and intake, no acc. Everybody Wants More Horsepower! All Of Our Small Block Customers Have Been Asking For A Reliable And Affordable Big Power Combination. To gap spark plugs always use a spark plug gapping tool. Our user id is: skipwhite, and our store name is whiteperformance1. EDELBROCK E-STREET CYLINDER HEADS For Small-Block Chevrolet V8 Engines Part #5073 & 5089 INSTALLATION INSTRUCTIONS ® PLEASE study these instructions carefully before beginning this installation. 4, small block engine used in GM luxury trucks and SUVs between 2007 and 2008. These are called stretch bolts or torque to yield bolts. Suspension Torque Specs Anyone have a link or any numbers for ALL Torque specs for 03-06 Chevy 1500 4wd. A torque to yield or TTY are one time use. Search Car Torque Specifications by Engine or Model. Before torquing, coat the head bolts and rocker studs with a thread sealing. Mopar Performance is the performance parts branch of Mopar. 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. Block o-ringed. 1959-75 Chevrolet engine torque value charts give you the correct bolt tightening requirements to prevent damage. 5L Diesel V8 644 (183) Chevy 400 SB 470 (235) aluminum heads and intake, no acc. 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. Steel bolts into aluminum torque specs. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. STEP 6: (Torquing the bolt) When tightening bolts, particularly TITANIUM rods, bolts must be torqued to 20% of the total required torque and then in one smooth motion torque the bolt to the final torque spec without stopping. Moly lube should be applied between fasteners, washers and area around head bolt to prevent galling and improper torque values. Translation: do not torque oil pan drain plugs. The intake installed onto cast-iron heads requires 30 ft. Chevy Truck Forum | GM Truck Club the intake and cleaned it up. Bore x Stroke. An aluminum head casting – distinguished by Chevy Bowtie logos at each end – and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm. This is a pre-1986 design small block Chevy cylinder head with a standard exhaust port design. 0 Torque Specs For Fox Body Mustang Posted 4/7/2015 by Tyler Rodriquez When rebuilding your Fox Body 5. 3 Liter Vortec engine by General Motors is based on the small block V8 platform. **NOTE: Some special heads require the smaller tool steel studs. The small block Chevy engine is the most common V8 engine out there to add performance upgrades to. Repeat multiple times in sequence until all bolts reach proper torque. Technical Question about re-torquing cylinder heads. 1996 Corvette - $999. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. ARP says 80 ft-lbs. Patriot Performance is one of the newer players in the world of aftermarket cylinder heads, but it's making a. Chevrolet Philippines reserves the right to change specifications without prior notice. BluePrint Engines 427 c. bolt manufacturer’s specifications. Folks, I need to pull the heads off my 1976 CC 454's. Mine have 8 long bolts, 2 medium length, then the 5 small ones at the lifter side of the head. Tighten the first design cylinder head bolts. The L92 is a 6. However, you should be familiar with and comfortable working on your vehicle. Coat all threads with Permatex 3H Aviation Form-a-Gasket (follow Permatex’s directions for set-up time), then place the bolts in their proper locations. Regards, Jeff. [A] Torque values are based on 75% of the fastener yield strength. Founded in 2007, we offer an extensive selection of cylinder heads for Ford, Chevrolet, and GMC performance engines. Several important features have been incorporated in the Pro1 heads. ARP Head Studs, Main Studs, Rod Bolts Torque and Stretch Specs By admin on November 19, 2010 in Technical Articles This is information that you can never find when you need it so here is a table for the ARP Head Studs, Main Studs, and Rod Bolts Torque Specifcations and Stretch Specs. For Head Studs or aftermarket bolts CHECK YOUR INSTRUCTIONS, BBC studs are available in a ton of different styles depending on heads and stud diameter (7/16" and 1/2"). Aluminum aftermarket cylinder heads offer tremendous airflow potential to maximize power potential. Tried google and came up with conflicting numbers, hoping someone here can give me the correct torque values for a 2003 5. The head is “rounded off” so it difficult to remove without damaging the head and sending up a “red flag” that the engine has been tampered with. 2011 Chevy Silverado 1500 with the Vortec 5. or do I use the tape?. Engine Specs and parts on the Chevy 427 V8 Engine. This 355 Chevy crate engine is ideal for serious street performance. Listed above we have a diagram of the distributor rotation, cylinder order, and firing order. The Chevrolet 350 cylinder-head torque specification is 65 ft. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. This A356 cast aluminum alloy cam head comes with 220cc intake runners and has CNC ported combustion chambers, exhaust and intake ports. , and 70 ft. Chevrolet Performance's Fast-Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. Crower Cams & Equipment Co. See Dyno Chart. Without adequate airflow, the engine will never make power. These bolt-on performance heads deliver additional horsepower and torque over a stock GM cylinder head. Chevrolet Philippines reserves the right to change specifications without prior notice. Learn how to install ARP Head Studs in a Chevy Small Block. 2008 CORVETTE: ICONIC SPORTS CAR RECEIVES LARGER, MORE POWERFUL LS3 6. B Series Torque Specifications. A torque to yield or TTY are one time use. Prices may change without prior notice. 5001 : 74 : 1971-73: 330862 : 400 : 1. Torque specs on an aluminum edelbrock intake for a 350 chevy moter? Im installing a edelbrock perfomer/rpm intake on my chevy 350 small block and need to know the recommended torque settings. Head Bolt Torque Specs: Torque all head bolts to 75 ft. aluminum fast burn. INSTRUCTIONS FOR THE SMALL BLOCK FORD ALUMINUM HEADS. Photos, colors and specifications may vary from actual units. We were using ARP head studs and the torque spec called for 70 lb-ft of torque. An aluminum head casting - distinguished by Chevy Bowtie logos at each end - and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm!. and towing capabilities. 6" base stud length big block chevy exhaust studs and cut them down for proper length. ARP head bolts. And to hold up the valves use the air hose spark plug fitting when doing the springs, which you probably already knew. Torque Specs for Small Block Chevy Engines Part Bolt Size Minimum Maximum Camshaft Sprocket 5/16"-18 15 ft. This can be overcome by designing and offering better fasteners to address these conditions. All 1995 and earlier LT-series engines use the same head bolt torque (65 ft. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. main cap (4-bolt inner) 75 ft-lb. The engine was a cast block / aluminum head motor. Big-block Chevy factory heads are offered in aluminum and cast iron, with either open or closed combustion chambers, and with oval or rectangular intake ports. 3L-262ci-V6 Engine Torque Specs. I have decided to rebuild the 400 small block that came in the el camino I purchased. Search Car Torque Specifications by Engine or Model. No mention of aluminum heads. but you are in the ball park for a mid range A460 headed engine at the upper end of your guess. Traditionally, a torque specification is a calculated number. I tighten until the turtle head just kisses the. SBC Torque specs: 14 Head bolts 65 lb. More "pedestrian" engines (read passenger car and truck), received the oval-port cylinder heads. The proper amount of Torque has to do with the material tensile strength not the heads. The fasteners were called "torque to yield" and could not be re-used. [A] Torque values are based on 75% of the fastener yield strength. 60" exhaust valve. No mention of aluminum heads. Torque specs for SideKick and Tracker 89 to 98. Sealant Aluminum (aftermarket) heads and intake manifolds require a different torque than stock cast iron units. Small Block Mopar Performance Engine Parts 273 318 340 360 5. It was replaced by the 4. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. Head Bolt Torque Specs: Torque all head bolts to 75 ft. Listed above we have a diagram of the distributor rotation, cylinder order, and firing order. The latest version of the 6. Aluminum Small Block Chevy Cylinder Heads Pro1 Aluminum cylinder heads are designed to produce optimum performance “Out of the Box”. Skip to Main Content. Torque Spec sheet. The 351 intake, on the other hand is torqued in three stages to between 23 and 25 lb-ft. PERFORMER RPM - ALUMINUM CYLINDER HEADS 318, 340 & 360ci Small-block Chrysler GENERAL INSTRUCTIONS Prior to installation, it is highly recommended that valve-to-piston clearances are checked and corrected to minimum specs, if ne cessary. For more detailed specifications regarding your specific application or for "strip only" use, please consult a professional engine builder. Founded in 2007, we offer an extensive selection of cylinder heads for Ford, Chevrolet, and GMC performance engines. I am installing a set of aftermarket (Pro comp) aluminum heads. Fastener Type. Before torquing, coat the head bolts and rocker studs with a thread sealing. BBC ProComp Aluminum Cylinder Heads 320 Runner Assembled - Item # PCM 3021C. Header Bolt Specs SLP's spec was 28 ft. different on aluminum heads as to the stock cast iron heads? I do have new bolts with washers and they came with Teflon tape on the threads, shouldn't I be using some kind of assy. Block Use: Any SBC Iron or Aluminum. All 1995 and earlier LT-series engines use the same head bolt torque (65 ft. Small Block Chevy Head Bolt Torque Specifications. Mopar Small Block Torque Specifications: LA Engine - 273, 318, 340, 360 : Torque specifications are for stock factory type bolts with light engine oil applied to the threads and the underside of the bolt head. AutoZone Repair Guide for your Engine Mechanical Specifications Torque Specifications. I torqued the head bolts 3 times and in the sequence the manual said to. 030 and plate honed for maximum performance. 3l Aluminum Bearing Torque Specs? Mar 02 2014, 3:44pm According to my Silverado factory service manual, both the connecting rod bolts and main cap bolts get tightened to 15 ft. Scorpion Products! : Aluminum Cylinder Heads - Air & Fuel Delivery Brake Systems Chassis, Steering & Suspension Cooling & Heating Engines & Components Exhaust Fittings & Hoses Gaskets & Seals Disc Brake Conversions Ignition & Electrical Interior & Accessories LS Performance Transmission & Drive Train Small Block Chevy Big Block Chevy 47-59 Chevrolet Trucks Comp Cams C10 Trucks auto parts. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Whenever you are looking to build your own LS swap or frankenstein LS heads and block combination, you will need the factory LS1 Torque Specifications to assemble your block correctly. Skip to Main Content. 7L Hemi Crate Engine produces 360 horsepower at 5,400 rpm and 360 ft. 050-inch durations in the mid-230s may seem fairly hairy for a low-end torque motor, the Cad is about 190 ci larger than the quintessential small-block 350. 125 BRODIX Aluminum Block Head Stud Kit for Standard Small Block BRODIX Aluminum Block Head Stud Kit for Raised Intake. 7L 350 v8 and it's a 1500 express The torque specs are available in most shop manuals, but I'm sure you knew that already. Before we get into the numbers-heavy specs, here are a few light facts to keep in mind as you are planning your build. its a 1984-85 block. 2 heads is built with a budget in mind, using a chain drive, iron block and stainless-steel valves. - But, I have to retighten my headers every 6 months or so. The torque is rather critical, from what I've heard in the Forum, and you need to use anti-sieze (sp) compound. Aluminum rods require additional "deck" clearance. I was wondering what performance upgrades you guys suggest. 7-liter (350-cubic-inch) small block Chevy (SBC) engine were used on GM trucks and vans beginning in 1996. 3 L Vortec is primarily used in large SUVs and trucks. 750" base thread length of the stud, minus the. Its the 059 high nickel content block. Either will boost compression and the 305's will flow better than the stock 307 heads. bbc brodix bb-2 xtra aluminum heads 365cc intake runners pag springs with titanium retainers approx 80 passes since freshened. Search Car Torque Specifications by Engine or Model. This can be overcome by designing and offering better fasteners to address these conditions. When using a Merlin head on a Mark V or VI block, you must use Mark V or VI head gasket depending on which one was used Pistons: Most 26° aftermarket pistons Spark Plugs:. There is just no reason not to unless you use stretch head bolts. Torque Sequence and Specs. GT-40 Aluminum Cylinder Head INSTALLATION INSTRUCTIONS NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF FORD RACING PERFORMANCE PARTS. If a vehicle was ordered with as “high-performance” with a big block, that engine received rectangular-port heads. Flow data based on Cylinder #1 intake and exhaust port. The first “LA” engine, the 273, appeared in the 1964 cars; the basic design was used in the 2017 Viper V-10. Small Block Chevy Vortec Intake. The engine was a cast block / aluminum head motor. Proper torque spec varies depending on the material, bolt grade or wether lubrication is used such as oil, wax, or anti-seize Always go to the manufacturer for proper torque specs if needed. Main cap bolt, 396-454 4-bolt (inner/outer) 110 ft. For example, a 350 small-block in a '72 Chevy pickup that makes 450 hp and 300 lb-ft of torque will be less usable off road than if it were equipped with the same size engine making 300 hp and 450. Aluminum heads are lighter than cast iron, saving maybe 25 to 30 lbs. ARP says 80 ft-lbs. The Edelbrock #5089 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. This seems like WAY too much torque for an aluminum block. If a vehicle was ordered with as “high-performance” with a big block, that engine received rectangular-port heads. Skip to Main Content. These heads have larger-than-stock valve sizes and may not work with the valve pockets in stock pistons. 4) Use a torque wrench! Uneven torque causes block distortion and head warpage allowing coolant leak and power loss. I just replaced 2 that wouldn't even torque to 40. Our cylinder heads are cast according to FLOTEK design parameters and assembled and inspected at our facility in Evansville, Indiana. For instance, torque specifications are necessary when performing cylinder head installations. Torque the bolts in the. The use of aluminum allows the engine to cool much faster than if it had an iron block and aluminum. on the first pass. When working on early cars & trucks there is nothing in the shop manual to show you how much to tighten down vital components such as head bolts, main bearing bolts, flywheel bolts, etc. Never pry the ground electrode with a screwdriver or similar object. Coat all threads with Permatex 3H Aviation Form-a-Gasket (follow Permatex's directions for set-up time), then place the bolts in their proper locations. Main bearing torque sequence-4. Available Options. It was replaced by the 4. small block GM style proseries stroker crate engine - longblock. Flow measured at 28" of depression. Tried google and came up with conflicting numbers, hoping someone here can give me the correct torque values for a 2003 5. Only 14 left in stock - order soon. Anyone know the torque specs for the TRD aluminum wheels? The owners manual says 154 ft/lb but I think thats for the steel spare tire. Traditionally, a torque specification is a calculated number. Motor Trend reviews the 2016 Chevrolet Corvette where consumers can find detailed information on specs, fuel economy, transmission and safety. Flow data based on Cylinder #1 intake and exhaust port. I have a big block chevy casting # 10114182 and head casting # 10114156. Will a 400 small block bolt up to a 350 transmission?. I tell you, there is a lot of unhappy guys on motorcycle forums who have stripped the threads in their expensive aluminum oil pans by trying to torque the drain plug to "spec". Getting the Heads The first step was to obtain and flow test virtually every small block Ford head on the market. Horsepower. Re: Need torque specs for ARP head studs (7/16") If you are using sealant, make sure you put the heads on and torque to 10ft-lb or so to pull the studs up against the threads while the sealant dries. The intake installed onto cast-iron heads requires 30 ft. The iron Vortechs prolly flow a bit better than the '86-'90 Vette aluminum heads good to about 400 HP stock. Aluminum heads call for lower torque specs and it is recommended that the mechanic re-check the torque after the engine has run up to temp and then cooled (in other wordsafter it has cooled from running). Tried google and came up with conflicting numbers, hoping someone here can give me the correct torque values for a 2003 5. Hi, I'm new to socal jet boats and fairly new to jet boating. Coat all threads with Permatex 3H Aviation Form-a-Gasket (follow Permatex’s directions for set-up time), then place the bolts in their proper locations. (Summit Racing's Paul Spurlock and Brian Nutter contributed to this article. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. All Vortec 4300s use a cast iron block and heads and 4 in (101. Skip to Main Content. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. Chevrolet Small Block, w/-12 Brodix head w/aluminum block, hex Head Stud Kit. You don't sacrifice quality for a low price - get both with a Flo-Tek aluminum cylinder head. Over 6,000 Automotive Torque Specs. Big Block Chevy. Chevrolet Philippines reserves the right to change specifications without prior notice. Aluminum rods are designed to be run with full flotation wrist pins ( we recommend. Leave a Comment. Engine Torque Specs. Our basic 355 Chevrolet performance crate engines boast an honest 355+ horsepower and 375+ torque and run on premium pump gas. Small Block Ford Reality. Torque converter to flexplate bolts 65 ft. The engines are based on the Chevrolet Small-Block engine, and the V6 is formed by the removal of the #3 and #6 cylinders. I have a big block chevy casting # 10114182 and head casting # 10114156. Features: Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity. Bolt Torque Spec Chart for Ford Engines These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. 3 Liter Vortec engine by General Motors is based on the small block V8 platform. In addition, the torque specifications of a 4. Engine Specs and parts on the Chevy 427 V8 Engine. Heads grooved. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). The Edelbrock #5089 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. To gap spark plugs always use a spark plug gapping tool. 1 Tighten the first design M11 cylinder head bolts a first pass in sequence to 30 Nm (22 lb ft). Displacement. Visit Chevrolet for more information on the Chevy Avalanche. Cylinder Head Coolant Plug to Cylinder Head 20Y 15lbft Cylinder Head to Engine Block Retaining Bolt (M8) - in sequence 30Y 22lbft Cylinder Head to Engine Block Retaining Bolt (M11) • First Pass in sequence 30Y 22lbft • Second Pass in sequence +90Degrees • Third Pass in sequence +70Degrees Engine Block Coolant Drain Hole Plug 60Y 44lbft. ) and tightening sequence as the original small block. Cast Iron with 4-Bolt Main Caps. Cast Iron Cylinder Heads 55 ft-lbs. Head Bolt Torque Specs: Torque all head bolts to 75 ft. I get countless people asking me what kind of a small block to go with for their early Mustang, Falcon, Galaxie, Fairlane, or Cobra kit car, and there are a few things you need to know before you make any decisions. Never pry the ground electrode with a screwdriver or similar object. Figure 1 - SBC Cylinder Head Bolt Torque Sequence Torque Bolts to 65 ft. Cylinder Head Bolts Fig. We were using ARP head studs and the torque spec called for 70 lb-ft of torque. Re-torque the head while the engine is still warm. Torque Specification Sheet INS-14000 * Torque ft. 8L Chevy engine are useful when performing do-it-yourself maintenance. Aluminum Small Block Chevy Cylinder Heads Pro1 Aluminum cylinder heads are designed to produce optimum performance “Out of the Box”. Pro Comp Aluminum Cylinder Heads are a great choice for an out of the box horse power upgrade for your Big Block Chevy. With the machine work and time involved in the 351 heads I figure the cost would be about the same. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. There's no need to rush out and buy the shop manual if you don't want to. However, you should be familiar with and comfortable working on your vehicle. The specifications below are "torque-to yield" or "torque angle" specs. They had 11 head bolts and used the same pattern as the 198 (above). 0065″ U15816 BB FORD I BEAMRead More. !997 Chevy Tahoe 4wd 5. The intake installed onto cast-iron heads requires 30 ft. lbs for cast iron heads and 25ft. Lightly seat studs into block at 10 ft. The AFR Emissions Legal (versions with heat riser only, CARB EO #D-250-2), 190cc intake port small block Chevy cylinder heads are available in your choice of straight, angle, or L98 angle plug versions. In general the proper torque spec is usually around 65-70% of the failure torque rate. 02 comp series springs. The LS2 in the Chevrolet Trailblazer SS and the Saab 9-7X Aero are rated at 395 bhp (295 kW) (2006–2007) or 390 bhp (290 kW) (2008–2009) and 400 lb·ft (542 N·m) of torque due to a different (sometimes referred to as a "truck") intake manifold that produces more torque at lower RPMs. If you use aftermarket performance bolts like ARP's, you should follow the recommended torque specifications. An aluminum head casting - distinguished by Chevy Bowtie logos at each end - and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm. The 427 L71 engine used in the Chevrolet Corvette really impressed motor car enthusiasts. 080 wall hardened pushrods Crane roller rocker arms Stud girdle Aluminum valve covers Professional products intake. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. 750" base thread length of the stud, minus the. Heads SP CH Bare Pair Special Small Block Chevrolet Edelbrock 5073 E. lbs for aluminum heads. Translation: do not torque oil pan drain plugs. The GM / Chevy L33 HO is a 5. ProMAXX Performance has designed a complete new line of performance heads that meet or exceed the big names in the industry. Engine Specs and parts on the Chevy 427 V8 Engine.

Sbc Aluminum Head Torque Specs