Bbc Intake Torque Specs Aluminum Heads

302 Intake manifold bolt torque spec? I also bought some good bolts from ARP and have an aluminum intake. A 735 cfm Holley carburetor sat on a cast iron intake manifold. Chevy: What is the torque spec. To contact the administrator click here. The Low Down On BBC Heads Small oval port heads have intake valves that are 2. All New Century Performance blocks are poured from vacuum melted virgin A356 aluminum alloy, heat treated to T6 specifications, and fully CNC machined. We build to order carburetor or E. 19 intake and. 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. sheet metal intake manifolds. Its an Edlebrock intake to cast iron heads. Torque Specs. If it's a drag motor, you can go even bigger, maybe 350 to 360cc with a CNC-ported head. Victor 454-R BBC Intake Manifold For Standard Deck BBC, Non-EGR, 3500-8500 RPM Part #2907 INSTALLATION INSTRUCTIONS PLEASE study these instructions carefully before installing your new intake manifold. CNC ported MTS aluminum heads and single plane intake. Pontiac Engine Torque Specs Bolts or Parts Lube or Sealer Torque to: Main Caps Engine Oil 95 ft-lbs. 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. Mopar Big Block Bolt Torque Specifications. Use the manufacturer's torque sequence but do not use the engine manufacturer's torque specs. We can also offer you all-billet versions, as well as some class-specific castings. to the heads and torque to 60-65 lbs-ft on aluminum heads and 65-70 lbs-ft on cast iron heads. Fits 307 Oldsmobile engines. Installation of new guide dowels may be needed. torque specs for cylinder heads and intake manifold April 19th, 2004, 02:59 AM does anyone know the torque specs for the cylinder heads and intake manifold for a 260 mercruiser 5. Exhaust ports measured 1. Give us a call to see what we can do for you. [A] Torque values are based on 75% of the fastener yield strength. Manufacturer of fasteners found in engines and drivelines, ranging from OEM replacement parts to specialty hardware for racing applications. [NOTE: Looking to upgrade your L92? Read: L92 6. bbc brodix bb-2 xtra aluminum heads 365cc intake runners pag springs with titanium retainers approx 80 passes since freshened. These heads are reputed to flow almost twice the volume as the stock heads: LB4 (stock) heads –. - But, I have to retighten my headers every 6 months or so. Luckily, Late Model Restoration has come to help with this 1996-2004 Mustang 4. BBC Head Torque Sequence; BBC Intake. The Complete History of Chevy Big-Block Engines The Family Tree Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. The fasteners were called "torque to yield" and could not be re-used. jesel recommends using the longest bolt possible. Aluminum heads require parallel ground hardened steel washers under the bolt head or nut to prevent galling the aluminum seat. The numbers are from our in-house flow bench. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. 93" Manifold height: (A) 4. 043 gaskets for more compression. 4:1 thanks to a combination of the 317 heads and dished factory pistons. The oval-port heads have 110cc chambers and the rectangular port heads have 118cc chambers. Aluminum Head Sources. Chrysler 360 Intake Manifolds SB Mopar; Chrysler 400 & 440 Intake Manifolds BB Mopar; Chrysler Hemi Intake Manifolds 426; PONTIAC Intake Manifolds. Dart developed the first successful aftermarket Aluminum heads for big blocks, and we've continued to improve and refine our revolutionary designs through our research and development. Make sure the pushrods are installed in original mounting locations. If it's a drag motor, you can go even bigger, maybe 350 to 360cc with a CNC-ported head. No sleeves. Exhaust ports measured 1. Oil pump bolt. BBC ProComp Aluminum Cylinder Heads 320 Runner Assembled - Item # PCM 3021C. is 40ft-lbs while torque specs for the Edelbrock aluminum Performer and I. Intake lift was 0. While the short-block stayed the same, Prestige tested three different aluminum cylinder heads from Brodix, five different intake manifolds, two different camshafts, and several other ideas during. Crower Cams & Equipment Co. My manual only goes up to 1996. 19 intake and. Main Bearings 110 ft. Gamble points to the weight savings of aluminum as a big reason aluminum heads have become so popular. Dart big block heads deliver superior performance without the hassles of welding and modifying stock castings. The numbers are from our in-house flow bench. Aluminum heads require parallel ground hardened steel washers under the bolt head or nut to prevent galling the aluminum seat. Search Car Torque Specifications by Engine or Model Cylinder Head To Engine Block 65 Intake Manifold To Cylinder Head 33. This is especially important with aluminum oil pans. Important note. I take no responsibility if you use these specs and something falls off. 94" intake 1. Be sure to follow the proper GM torque sequence, starting at 40 ft. Manufacturer of fasteners found in engines and drivelines, ranging from OEM replacement parts to specialty hardware for racing applications. #1---Head Flow Charts & Comparisons : 12/23/2019: There are enough flow numbers on our website to keep everyone busy for a while. Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. Intake Manifold tightening sequence Holley 750 vac sec. The ARP bolts have instructionsthat are confusing and contradictory. bbc 454 496 alum heads 118cc chamber 330cc runner hyd. Technical instructions for assembled & bare head part numbers: 030040 I-043D Bare head, 26°valve angle, 269cc intake runner, 119cc chamber 030040 - 1 Assembled head, for Hydraulic flat tappet camshaft 030040 - 2 Assembled head, for Mechanical flat tappet or hydraulic roller camshaft. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. Rocker Arms. Dart says 70 ft-lbs. Edelbrock is pretty good at giving major torque specs (head bolts, spark plugs) but doesn't say a thing about appropriate torque for accessories and I've partially stripped one of the A/C bracket holes in the intake. 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. i need to replace the intake gaskets on my 1997 gmc 3500 with a 454. 060 Scroll down to see info in this listing for details on this. /lbs until reaching the recommended setting. 94 exhaust valves, slightly larger than previous Hemis and round Ports More Information: D6 An aluminum alloy head with two spark plugs like the D5, only now included a further raised exhaust port. Cylinder Heads ProComp Aluminum Heads w 210cc runners 7 deg hardened locks and retainers 2. Crower Cams & Equipment Co. 0L OHV (Over Head Valve) V-6 engine found its way in to the Ford Ranger in 1990 and ultimately replaced the 2. Any and all diagrams or pictures would be very helpful. Listed above we have a diagram of the distributor rotation, cylinder order, and firing order. BOLT TORQUE SPECIFICATIONS FOR BUICK 400, 430, 455 ENGINES Use a reliable torque wrench to obtain the figures listed below. The Maxx 317 is truly a rare breed in today's market. I obviously did something wrong though because I snapped a bottle in the process. with the cam on its base circle for the cylinder you are using (opposite from full lift), install the intake and exhaust rockers in position with the correct length. A dirty bolt can throw off torque readings by as much as 20 ft. - 900+ HP AFR Magnum completely CNC ported aluminum heads. 060 Scroll down to see info in this listing for details on this. Search Car Torque Specifications by Engine or Model Cylinder Head To Engine Block 65 Intake Manifold To Cylinder Head 33. is 40ft-lbs while torque specs for the Edelbrock aluminum Performer and I. between iron and aluminum intakes, spec was 32-35#-ft. Patriot's Freedom Series heads meet the demands of the BBC world, while keeping the quality high and the price reasonable. always torque bolts in three equal increments. Use the appropriate torque specs for your application. BBC ProComp Aluminum Cylinder Heads 320 Runner Assembled - Item # PCM 3021C. Hello, I'm reviewing my company's existing standards for our fastener torque specifications, particularly as they apply to our metric SHCS' in aluminum castings (AA356-T6 material). 6″ exhaust, but was still 76cc. Big Block Chevy V8 - BBC - Engine Specifications 396-454 CID - BBC Firing Order. The ARP bolts have instructionsthat are confusing and contradictory. manifolds What is the torque spec and the torque sequence for chevy vortec intake manifolds. Installation of new guide dowels may be needed. Bowtie Oval-Port Aluminum Cylinder Head Assembly • Completely assembled with 2. Crower Cams & Equipment Co. assembly lube. This will prevent straining or distorting the parts as well as preventing thread damage. How high can I torque my head studs to try to keep from pushing out gaskets, etc? Merlin Iron block. They are also for 10'5 to 12. I was checking the intake bolts, something you are supposed to do now and then, and the 3/8 tightened about 20 degrees when set at 30. 1959-75 Chevrolet engine torque value charts give you the correct bolt tightening requirements to prevent damage. Search Car Torque Specifications by Engine or Model Cylinder Head To Engine Block 65 Intake Manifold To Cylinder Head 33. Detailed Description: ProMaxx Maxx 317 Chev BB Aluminum Heads Made right here in the USA. Here, we have two sets of Pro Comp Heads that are going to be put to the test to see if the CNC-porting is worth it's price. HEAD TIMING CHAIN/GEARS TIMING COVER TORQUE SPECS WEIGHT, APPROX all of our 23deg. 88-inch intake and exhaust valves. the filter. Casting numbers identify which head you may have. DART ALUMINUM Big Block - Technical Notes Standard BBC head studs or bolts may be used. BBC Head Casting Numbers. Im using new Head bolts (NOT ARP Just stock replacements) I need the Torque rating for Heads to Block, Lower intake to Heads (this is the one Im most concerned about) Do you still tighten as per Haynes/Chilton torrque specs? I dont want any leaks And Header bolt torque, also I use Teflon Thread sealer on the Head bolts right?. Chevy Small Block Intake Manifolds SBC; Chevy Big Block Intake Manifolds BBC; FORD Intake Manifolds; CHRYSLER Intake Manifolds. End of the Head PART # CYLINDER HEAD CASTING ID GUIDE Casting ID numbers are located under the valve cover cast into the head face. 370" and P/N 12363411 for bores 4. When torqueing the intake manifold on these engines, you need to two-step the torque, following the bolt pattern in the image above, to a maximum of 35 lb-ft. Rocker Arm Specs We are currently working to better the site for the customer and to complete your orders please CALL 1-800-976-9376 We are currently working to better the site for the customer and to complete your orders please CALL 1-800-976-9376. October 17, 2019, 06:49:27 pm I have canfield aluminum heads 20-475-58-1 on. Aluminum vs. The most important operation of regasketing your engine is thorough cleaning of the cylinder head, block, bolts, and bolt holes. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. main cap (4-bolt inner) 75 ft-lb. Once they are in place, place a small amount of ARP moly lube on the tops of all washers. 7 aluminum intake manifold? With iron heads, the stock spec for iron intakes of 30ft-lb should do. Use torque wrench to install fastener to the torque value from the chart below. (or sealer if the intake bolts protrude through the ports), attach the stands to the heads and torque to 60-65 lbs-ft on aluminum heads and 65-70 lbs-ft on cast iron heads. The PowerPort heads shared the large (122cc. Aluminum heads are lighter than cast iron, saving maybe 25 to 30 lbs. i need to know the torque specs for the upper and lower intake bolts and any other information that would be helpful. 5 compression ratios. Guess the real question isGT40 heads worth it on stock engine? A good aluminum head(AFR 165 or TFS TW 170) is worth close to 90hp more than a E7 head on a. PERFORMER RPM 454-R ALUMINUM CYLINDER HEADS for Big-block Chevrolet V8s CATALOG #6054* (bare) and #6055* (complete) GENERAL INSTRUCTIONS • PLEASE study these instructions carefully before installing your new cylinder heads. Find Dart Pro 1 Aluminum Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Inspired by Dart's championship winning Pro Stock designs, Dart Pro 1 aluminum cylinder heads cover a wide range of. Our user id is: skipwhite, and our store name is whiteperformance1. Mercruiser Big V8 Fastener Torque Spec's. Some owners will re-check all flathead torque settings again after the first month of operation. The 3/8-inch rod has a torque of 50 pounds-feet and the 7/16-inch rod has a torque of 67 to 73 pounds-feet. BES Racing Engines - BES / Edelbrock Big Victor 3 Heads. Edelbrock Intake Manifolds are carefully developed & extensively tested to maximize performance & appearance in every application from the street to the strip. Top of Page. assembly lube. Install intake bolts. and therefore these heads might not be a direct bolt-on in every application. FOr this engine you will also need a torque angle meter to get eh correct degree count when torquing. We design, manufacture, and distribute over 900 unique, top-quality automotive performance products, including: intake manifolds, valve covers, and cylinder heads. [NOTE: Looking to upgrade your L92? Read: L92 6. Torque Sequence and Specs. bbc 454 496 alum heads 118cc chamber 330cc runner hyd. Today, a large variety of great aluminum castings is available. Aluminum Roller Style. Flow measured at 28" of depression. 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. 500″ valve lift, 28″ H2O = 165CFM 1996 heads, stock, same specs = 250CFM ” ” , ported = 270CFM (Figures courtesy Richard C & Nolan) Major difference in the ’96 heads is the intake mounting bolt pattern – not. CNC ported MTS aluminum heads and single plane intake. Anyone used "Peanut Ports" on your BBC? style heads. For example, I got the ARP head studs and only torqued my heads down to 115 lbs/ft with moly lube. Its an Edlebrock intake to cast iron heads. These are the heads that most readers should consider buying. 25" stainless steel intake valves, and 1. Intake Torque specs on 98 350 Vortec The 98 Vortec 350 CID engine has an aluminum intake and a plastic plenum mounted to it. Lift Intake Exhaust We did that to a BBC intake. 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". Flow measured at 28" of depression. manifolds What is the torque spec and the torque sequence for chevy vortec intake manifolds. Other Procedures Needed. 080 Chome Moly Pushrods, Complete Gasket Set. D20 Magna Alternate cylinder heads for the 426 race Hemi. I think maybe the head bolts take the torque #'s that. This set has a 1 piece intake stand that spans the length of the head. 85" exhaust valve. now if you cut them heads out for a2. Just thought it was a strange setup with bolts on the outer corner and none in the middle. This caused MAJOR leak of Anti-Freeze into the "Valley of lifters" and consequently into my oil. IF you do have a spec from the manufacturer follow that. If you are going into aluminum heads, you do not want to go very. Torque the head studs in the four stages shown, following the sequence shown in Figure 1. TORQUE SPECIFICATIONS all readings in ft. They say 35 on the 3/8" but I think 30 is enough for aluminum too. Some owners will re-check all flathead torque settings again after the first month of operation. [NOTE: Looking to upgrade your L92? Read: L92 6. Bowtie Oval-Port Aluminum Cylinder Head Assembly • Completely assembled with 2. /lbs until reaching the recommended setting. Search Car Torque Specifications by Engine or Model Cylinder Head To Engine Block 80 Intake Manifold To Cylinder Head 30. 7 to 1 rockers and a Troy Patterson 1100 CFM 4150 carb. you going to make three passes * first* pass you torque all head bolts to 12 to 18 ft lbs * second *pass you torque all bolts to 26 to 33 ft lbs. they dont flow enough on a 302 so dont bother with putting them on a 351. Heads grooved. They were torqued by using a torque wrench in a staggered pattern to about 15 foot lbs. 0 mm bolts: 22 ft-lb, plus 76 degrees, plus 34 degrees. 3 Cast Aluminum pro mod cylinder heads. D20 Magna Alternate cylinder heads for the 426 race Hemi. The GT-40 spec, aluminum intake into aluminum heads, is also given as 32-35#-ft. Torque the head studs in the four stages shown, following the sequence shown in Figure 1. TORQUE SPECS - Porsche Parts Exclusively - Specializing in Engine, Transmission, Suspension, Brakes, Machine Shop Services, Racing and Hi Performance Auto Parts for Porsche. More details and photos on the test only in Muscle Mustang & Fast Fords. 88" stainless steel exhaust valves. The administrator has banned your IP address. HEAD BOLT TORQUE: All aluminum heads should be torqued to the. Patriot's BBC heads come as cast with a 320cc intake runner, US made bronze guides, and a 5 angle valve job. Find Dart Pro 1 Aluminum Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Inspired by Dart's championship winning Pro Stock designs, Dart Pro 1 aluminum cylinder heads cover a wide range of. 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. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. Torque Sequence and Specs. Find Dart Pro 1 Aluminum Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Inspired by Dart's championship winning Pro Stock designs, Dart Pro 1 aluminum cylinder heads cover a wide range of. Air Flow Detail #174 BBC Sniper Head - 370cc Runner. The bottom of the inlet manifold is made of iron and the top is made of aluminum. 7 Vortec Head & Intake Manifold Torque Specs ? - Installed Vortec heads on a standard 1986 reman 5. Includes composite intake gasket, exhaust gasket, DMR-5538 valve cover gaskets, front cover gasket, fuel pump gasket, water pump gasket, thermostat gasket, DMR-5496 oil pan gasket set, neoprene rear main seal, Fel-Pro Perma-Torque head gaskets and front cover seal. Main Bearings 110 ft. 4L big-block increased to 481 hp at 5,500 rpm and 527 lb-ft of torque at 3,800 rpm. 93" Manifold height: (A) 4. Be sure to thoroughly clean the surface of the block and the surface of the cylinder head prior to. If you are using 1247 head gaskets this will be fine have 5 years of racing with these specs. If you are going into aluminum heads, you do not want to go very. whats the specs on these heads and are they any good. Aluminum (aftermarket) heads and intake manifolds require a different torque than stock cast iron units. How To Install An Intake Manifold on FORD 289, 302 and 351W EnginesThis page will walk you through the necessary steps to install an aluminum intake manifold on a 289, 302, or 351W engine. The ARP bolts have instructionsthat are confusing and contradictory. 060 head gaskets. 3L torque specs 7. Hello, I'm reviewing my company's existing standards for our fastener torque specifications, particularly as they apply to our metric SHCS' in aluminum castings (AA356-T6 material). You can reduce your engine weight by around 100 lbs. Rocker Arm Stud Torque Specs - Help please. What torque spec do I use? The head and gasket 'instructions' say nothing. a real torque monster motor, not so much high reving. Edelbrock is pretty good at giving major torque specs (head bolts, spark plugs) but doesn't say a thing about appropriate torque for accessories and I've partially stripped one of the A/C bracket holes in the intake. Aluminum cylinder heads with factory bolts should be torqued to 70-75 ft. E'Brock specs 25#-ft for the RPM intake, I always presumed this was because the bolts were threaded into their alum heads, they don't use inserts for the intake bolts. With peak intake flow numbers of 384 cfm, the heads we capable of supporting over 750 hp, but on our 496 manage 691 hp and 603 lb-ft of torque. 880" 11/32" stem valves • 290cc oval intake ports • 110cc exhaust ports • 110cc combustion chambers. Bolt Torque Spec Chart for Ford 429-460 Fastener Type Torque Spec Main cap bolts 95-105 ft. Because there has not been a lot of information published on the L88 engines over the years, it was difficult to take the bits and pieces we had from various sources and compile them into an easy to follow summary. Aluminum aftermarket cylinder heads offer tremendous airflow potential to maximize power potential. This cam defines American Muscle and brute torque. The 496 stroker HP longblock includes forged pistons, 4340 rods and HP aluminum heads so you don't have to give up quality to get a big block at an economical price. i need to know the torque specs for the upper and lower intake bolts and any other information that would be helpful. BRODIX Cylinder Heads Total Seal Piston Rings If you're looking for a new race engine for the 2020 season, don't wait to long as we are currently booked up till January. STEP 3: Position the new cylinder head gasket over the guide dowels on the engine block. 96 F-350 RC 4x4 Hypermax Rods, PIS 300/200s G head tunes, Garrett GT4294, Beans IDM, ARP head & main, girdle, half filled block, DI cam, Dual IPRs, ceramic coated bowls, anti-friction skirts, Haldex pump over Honey Badger Jr, Diesel site High volume lpop, Billet intake Plenums, Dual SD pumps, Fluidampner, beehive springs, cosmetic head gaskets, Inconel valves. 3-inch intake. Aluminum heads have higher compression, are lightweight and have better ports when compared to iron heads. To find the manufacturers recommended torque setting, please enter the spark plug number in the search box. 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. Its an Edlebrock intake to cast iron heads. of torque when it is finished with Chevrolet Performance aluminum intake manifold P/N 12363406 and Holley 870-cfm carburetor P/N 19170094. Installation Notes: Port exit dimensions: 1. It's a stock suspension mustang. The Low Down On BBC Heads Small oval port heads have intake valves that are 2. machined intake manifold halves for vintage race cars. Big Block Chevy V8 - BBC - Engine Specifications 396-454 CID - BBC Firing Order. Chevy: What is the torque spec. [7] Tighten the rocker arm studs to the following specifications: PRELOAD (TORQUE) RECOMMENDATIONS Aluminum Cylinder Heads 45 ft-lbs. The Pro 1 aluminum heads are available in 275-, 310-, 325-, and 345-cc ports. Dart BBC Aluminum Cylinder Heads - Dart Aluminum PRO 1 Cylinder Head - Assembled (Pair) Leave it to Dart Machinery to bring a real high performance marine aluminum cylinder head to market. No sleeves. Just thought it was a strange setup with bolts on the outer corner and none in the middle. For what ever you use make sure the threads in the block are clean. No mention of aluminum heads. I thought you said you had aluminum. Some owners will re-check all flathead torque settings again after the first month of operation. i need to know the torque specs for the upper and lower intake bolts and any other information that would be helpful. It makes 340 hp with 550 torque coming from my memory. 1968 3937793 ALUMINUM INTAKE MANIFOLD CORVETTE 427 390HP. the intake manifold into the cylinder heads. 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. From the standpoint of difference between aluminum and iron heads, it would be torque, since the amount of torque makes aluminum win over iron heads. - But, I have to retighten my headers every 6 months or so. 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). If you have '86 or earlier heads, or most aftermarket heads, you. I am very new to building chevy engines so i am asking if anyone has used these aluminum heads for a BBC?I can get what seems like a great deal on a bare set ($700)Here are the specs that the dealer gave meThey look to be closed chamber, rectangle port, 115 cc chambers 320cc intake, raised. The other parts you need to complete the engine – including chrome dress-up parts – are available from Chevrolet Performance. BBC Head Torque Sequence; BBC Intake. You may use OEM head bolts on all other positions as long as you utilize hardened washers to prevent galling of the aluminum bolt bosses. 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. At 2600 RPM (the lowest rpm a reading could be obtained), torque was 543 and by 2900 it was 575 and at 5400 RPM was at 590. Rocker Arms. No mention of aluminum heads. 300-inches with a standard BBC bolt pattern. 900" bore spacing. [6] Screw the rocker arm studs into the cylinder head and tighten them hand tight. 25 Years, Made in America!. I've always been under the train of thought that pretty much anything aluminum needs a retorque. of torque when it is finished with Chevrolet Performance aluminum intake manifold P/N 12363406 and Holley 870-cfm carburetor P/N 19170094. Use torque wrench to install fastener to the torque value from the chart below. That 556ci BBC ran a set of aftermarket R-port aluminum heads which were pretty much considered state of the art at the time. BRODIX Aluminum Big Block Head Stud Kit for Big Duke or Big Chief. 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. See our Performance Carburetors, Intake Manifolds, Cylinder Heads, Crate Engines, Electronic Fuel Injection. Casting Number. * Cylinder head torque sequence Tips for proper installation of heads gaskets. VALUE LINE Cylinder Heads; Intake Manifolds. I think maybe the head bolts take the torque #'s that. and therefore these heads might not be a direct bolt-on in every application. Out of ignorance on my part, why do they offer a range? 3/8 intake 27 to 33. AutoZone Repair Guide for your Engine Mechanical Specifications Torque Specifications 3 - The cylinder heads and the lower intake manifold Fig. heads are aluminum, oval port heads with 110cc combustion chambers, 2. Cam specs are: 288 Intake 302 Exhaust Duration Lob Lift 477 Intake 460 Exhaust 112 Lobe Seperation. 02″ intake, and 1. Holley, Weiand, MSD, and Sniper Intake Manifolds are no strangers to the performance aftermarket. HR-8894-7-CSR BBC 454 to 470 CID with GM Edelbrock Roval Heads to a max of 6200 rpm. Canadian Poncho Homepage-> Canadian Poncho-> Canadian Pontiac/Acadian/Beaumont Parts For Sale-> BBC BIG BLOCK CHEVY FACTORY ALUMINUM HEADS 3946074 SNOWFLAKE Start A New Topic Reply Post Info. 96 F-350 RC 4x4 Hypermax Rods, PIS 300/200s G head tunes, Garrett GT4294, Beans IDM, ARP head & main, girdle, half filled block, DI cam, Dual IPRs, ceramic coated bowls, anti-friction skirts, Haldex pump over Honey Badger Jr, Diesel site High volume lpop, Billet intake Plenums, Dual SD pumps, Fluidampner, beehive springs, cosmetic head gaskets, Inconel valves. Thanks Also anyone know the torque specs on the bolts for the accessory brackets with aluminum heads?. It makes 405 ft lbs [email protected] 3500 rpm. Rocker Stud Torque Torque specification is 45 lb/ft. Im using new Head bolts (NOT ARP Just stock replacements) I need the Torque rating for Heads to Block, Lower intake to Heads (this is the one Im most concerned about) Do you still tighten as per Haynes/Chilton torrque specs? I dont want any leaks And Header bolt torque, also I use Teflon Thread sealer on the Head bolts right?. Pit Stop USA sells BRODIX, BRODIX small block chevy cylinder heads, BRODIX -12 15A valve angle cylinder heads, BRODIX IK 200 cylinder heads, small block heads, BRODIX spec heads, BRODIX High Velocity intake manifolds, BRODIX aluminum cylinder heads, BRODIX Track 1 Cylinder Heads, BRODIX -11X Cylinder Heads, BRODIX -18 SP X Cylinder Heads, BRODIX -16 Cylinder Heads, BRODIX HV1000 Intake. 120 thick intake gasket Specifications, Features, and Optional Supporting Components Basic Package Components Part #. Once they are in place, place a small amount of ARP moly lube on the tops of all washers. completely redesigned ports and chamber. The engine was a cast block / aluminum head motor. If you use aftermarket performance bolts like ARP's, you should follow the recommended torque specifications. Official March Products. Some or all bolts/studs are often a different length than the bolts used on the stock cast iron head. Small Block Chevy Vortec Intake. [7] Tighten the rocker arm studs to the following specifications: PRELOAD (TORQUE) RECOMMENDATIONS Aluminum Cylinder Heads 45 ft-lbs. If it's a drag motor, you can go even bigger, maybe 350 to 360cc with a CNC-ported head. source: head bolt torque spec starting out you have to replace the old bolts due to stretching. Listed below are some of the most important torque specifications and torque sequences that are helpful to anyone building a small block Chevy. This is a 632ci, 1178hp race motor with BRODIX'S newest, and maybe most powerful, offering.