Sbc intake torque specs aluminum heads

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 …

2 – 1/2-14 NPT Pipe Plugs. 1 – 3/8-18 NPT Pipe Plug. DESCRIPTION: The Edelbrock RPM Air-Gap #7116 intake manifold has been designed for 262-400 c.i.d. small-block Chevy engines equipped with Vortec style (L31) cylinder heads. The manifold accepts late model water neck, air conditioning, alternator and H.E.I. ignition systems.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.I love my coffee as much as the next cup (and the one after), but tolerance to its effects can be a real bummer. If you want to feel like you can outrun a cheetah again, try a brie... Place one of the Twisted Wedge 170 cylinder heads on a suitable work stand and install the recommended spark plugs (refer to the Recommended Components chart on the Technical Specifications sheet for specific part numbers). Bolt the exhaust manifold/headers to the cylinder head and check for any interference. Edelbrock 5089 is another nice aluminum head for small Chevy engines. It is made of high quality with an aim to greatly improve performance of motors. It is quite heavy, but it endures very high temperatures. It allows you to change the compression ratio to reduce fuel consumption and bring more power to V8 engines.INSTALLATION INSTRUCTIONS. Use either Edelbrock #7201 or Fel-Pro #1256 (#1205 for aftermarket heads) intake gasket set when installing this intake manifold. Fully clean the cylinder head intake flanges and the engine block end seal surfaces. Apply Edelbrock Gasgacinch sealant PN 9300 to both cylinder head flanges and to the cylinder head side ...

1 – 3/8-18 NPT Pipe Plug. DESCRIPTION: The Edelbrock RPM Air-Gap #7116 intake manifold has been designed for 262-400 c.i.d. small-block Chevy engines equipped with Vortec style (L31) cylinder heads. The manifold accepts late model water neck, air conditioning, alternator and H.E.I. ignition systems. Use electric or manual type choke …54.23 N-m. Years: All. Note: Chevy Small Block - Red Loctite. GM 5.7L-350ci-V8-SM-BLOCK Engine Torque Specs. Over 6,000 Automotive Torque Specs. Search Car Torque Specifications by Engine or Model.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?Received 18 Likes on 15 Posts. Re: Best Torque for Intake to Aluminum Head Bolts? (GRX) I use 35# with my aluminum heads. Let them sit for a while then re-torque them since the gasket will take a set and the torque will fall off. Occasionally I have to do this a few times until the torque holds. Jake.21 Jul 2020 ... ... torque specs and make sure you follow the specified patterns. Thanks for watching! Get Your Set of Edelbrock Aluminum Heads Here: https ...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. ...Dave Haertel said: Had to pull the intake and looking for torque specs. 360 and a Weiand Action + intake. Are all intakes the same torque specs? It varies between iron and aluminum heads, but 25ft lbs is an average for iron heads and an aluminum intake. 18 for aluminum heads. This is per Edelbrock instructions.383 Stroker. -5cc flat top pistons. w/ 64CC heads (pro comp aluminum) estimated compression from Eagle (bottom end) is 10.7:1. I think (??) the recommended plugs for the aluminum heads are Champion RC12YC (Autolite 3924); however the current plugs are a hotter plug Champion RC14YC (Autolite 3926). These plugs are a gasketed, …

Sep 15, 2010 · bcm66. 4762 posts · Joined 2006. #7 · Sep 15, 2010. I have never used a torque wrench on aluminum intake bolts. Always went with the old timer rule of "get 'em tight - but not too tight". Then check them again after the engine has gone through a couple of heat cycles. 1968 Camaro SS 396 coupe L78 - now old school 468 big block. 21 Jul 2020 ... ... torque specs and make sure you follow the specified patterns. Thanks for watching! Get Your Set of Edelbrock Aluminum Heads Here: https ...solid metal core intake gaskets. These gaskets are the preferred choice for high vacuum applications. The strong steel core prevents movement of the gasket into the intake port. The gasket also has an anti-stick coating to make gasket removal and cleanup easier, while preventing gasket failure due to intake manifold and cylinder head movement.Requires hardened pushrods.; All E-Street Cylinder Heads are sold in pairs; Dyno tests showed a gain of 16 hp and 11 ft-lbs of torque over our overseas competitor; Intake Valve Diameter: 2.02 in : Intake Runner Volume: 185 cc : Material: Aluminum : Push Rod Diameter (Suggested) 0.3125 in : Rocker Stud Diameter: 0.375 in : Valve Angle: 23 deg ...See full list on jegs.com These heads also have as-cast ports and maintain the stock exhaust port location making them compatible with OEM headers and hardware. E-Series cylinder heads are available for small-block Chevy and small-block Ford. FEATURES INCLUDE: High-Performance Street Applications; Large Runners and Revised Exhaust Ports; Ideal For Larger Displacement ...

Lux nail bar fort myers.

The performance range is from idle to 5500 rpm for great throttle response as well as top-end horsepower. These cylinder heads are assembled with the following components: …Torque specifications vary depending on the fastener brand, lubricants, and other factors. Head bolt torque sequence, however, generally remains constant for a given engine. To give you a quick reference of torque sequences, OnAllCylinders’ Lori Sams has created a series of infographics for different engine makes.Part # 9109266. Flo-Tek. |. #9109266. Flo-Tek 102505 Assembled SBC Aluminum Cylinder Heads/Install Kit. 6 Reviews. |. 3 Questions. Budget-conscious, yet proven, cylinder …the intake bolts. Install all 12 bolts and washers and torque to 10 lb-ft. Follow torque sequence shown below. Then, using the same torque sequence, tighten all 12 bolts to 18 lb-ft for aluminum heads. Repeat multiple times in sequence until all bolts reach proper torque. Note: You will find that the end bolts reach their final torque

When the block is 0 decked and the heads are decked more than about .025". The corner studs can be too close to the center requiring that the holes are opened a bit. Cutting the manifold flange or cylinder head intake flange does not change this but will help with aligning the perpendicular bolts on either side of the runners.When it comes to optimizing the performance of your Kohler engine, one crucial factor that cannot be overlooked is the torque specifications. Torque specs refer to the specific amo...If you’re in the market for a compact SUV that offers style, versatility, and advanced features, look no further than the Hyundai Kona. This popular vehicle has been turning heads ...Our review outlines the cost and specs of the Tesla Powerwall to let you know if it is worth the investment in addition to your solar power system. Expert Advice On Improving Your ...Mar 21, 2002 · 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 ... Sold as a pair. Uses 3/4 in. reach gasket seat spark plug. Heads are drilled to accept both early style (12 bolt) and late style (8 bolt/Vortec) intake manifolds. Exhaust ports are 1/2 in. raised compared to stock cylinder heads. Welcome to a new class of high performance cylinder heads--BluePrint Muscle Series!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.To find out a wheel torque spec, check the vehicle’s manual, industry reference guide or the shop repair manual. Vehicle dealers can also provide an appropriate wheel torque spec. ...

Kirk's67SS. 6804 posts · Joined 2011. #2 · Aug 6, 2016. Small Block Chevrolet V8 Engine Specs | Torque Specs - Cylinder Numbering - Firing Order - Distributor Rotation - SB Chevy 267 305 327 350 400 Cid. 67 Chevelle Malibu SS Cdn. Born 283 / PG / A51.

Jul 15, 2003 · After the intake is seated for some time, maybe an hour or so, go back and re-torque to 30 ft lbs one more time. This is for factory aluminium Chev BB intakes. If you are using an aftermarket aluminum intake refer to the mfg torque specs. My Showroom. 69' SS396 Chevelle L78 396/375hp M-21 Close Ratio Cortez Silver. 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 ...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.Details. Edelbrock part #5001 Torker II intake manifold is designed for 1955-86 high-performance's street 262-400 c.i.d. small-block Chevys. This Torker manifold is a singe plane low rise intake that's great for high performance applications that have limited hood clearance. The manifold has an exhaust crossover for easy cold weather warm-ups ...Do you know how to remove your car's intake manifold? Find out how to remove your car's intake manifold in this article from HowStuffWorks. Advertisement Repairing your car may see...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 ... Starter: Standard SBC Stud holes, Head: Blind holes Timing chain/gears Standard SBC components, with 91-02 vortec thrust plate Timing Cover: Can use stock cover or late model vortec cover will work. Torque Specs: #1-#5 7/16” bolts – 65 ft lbs w/CMD #3 #2, #3, #4 3/8” bolts – 35 ft lbs w/CMD #3Head material Aluminum Intake port location Raised approximately .100” Intake port volume 178 cc's Intake valve part number M-6507-J302 Intake Valve Head Diameter 1.94" ... Torque Specifications - Use light oil on threads except where noted, Cylinder Head – see photo below for sequence 1. 7/16-14 (stock block) early reusable grade 8 bolts ...10 SP Exhaust. BRODIX offers several versions of -10 CNC ported, raised intake runner 23° heads ranging from bare castings to completely assembled packages. Combustion chambers are available in sizes from 56 cc – 74 cc. Valve sizes range from 2.100 to 2.125 depending on bore sizes and valve centerlines. The deck surface is the strongest in ...Dave Haertel said: Had to pull the intake and looking for torque specs. 360 and a Weiand Action + intake. Are all intakes the same torque specs? It varies between iron and aluminum heads, but 25ft lbs is an average for iron heads and an aluminum intake. 18 for aluminum heads. This is per Edelbrock instructions.

Weather 06117.

Peebles o'quinn funeral home.

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 … M-6507-J302 Intake Valve, 1.94” dia. x 5.078" VS-305V Valve Seal 4705F-1 Valve Spring Seat/Locator Features and Specifications: Head material Aluminum Intake port location Raised approximately .100” Intake port volume 178 cc's Intake valve part number M-6507-J302 Intake Valve Head Diameter 1.94" Head Bolt Torque: 50-65-80 Ft-Lb, 75 Ft-Lb on Bottom (Permatex#80631) Rocker Stud Torque: 45 Ft-Lb: Intake Port Gasket: Fel Pro 1255, Fel Pro 1205 or Equivalent: Exhaust Port Gasket: Fel Pro 1404 or Equivalent: ...These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use aftermarket performance bolts like ARP's, you should follow the recommended torque specifications.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:This replacement aluminum head is constructed of high-quality components, an aluminum body, bronze valve guides, and a unique port design that improves airflow performance. The combination of a 200 cc intake runner and a 68 cc combustion chamber significantly improves the engine’s performance while maintaining the factory-spec …To find torque specs for new Ford vehicles, visit Ford.com, and find the specific vehicle. To find torque specs for older Ford models, browse Edmunds.com, and select a specific For...CROSS-RAM LS3. The Cross-Ram LS3 is a unique intake manifold for anybody looking to combine great looks with outstanding performance between 1,500–7,000 rpm. The unique dual-plenum design features long 13-inch runners with flanges that will accept two 90mm throttle bodies. Ideal for twin turbo/boost applications!Details. The Edelbrock #60899 Performer RPM cylinder head is designed for 1955-86 Small-Block Chevy applications. The Edelbrock #60899 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power …example shows six holes in the deck of a small block head*. lay a head gasket on the . deck, noting where the gasket covers the holes in the deck; punch at least a 3/8” hole in the . head gasket. this procedure can be done to both head gaskets to improve . water circulation. * #4 and #6 hole locations do not apply to the ik ® series heads. ….

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.Our largest and most powerful 60/40 head for the small block Chevy features 100% CNC machined intake runners, exhaust ports and combustion chambers. Capable of flowing 350 CFM at 0.800" of lift these heads come equipped with Titanium retainers and high quality components throughout, the 60/40 valve spacing which requires shaft mounted rocker ...solid metal core intake gaskets. These gaskets are the preferred choice for high vacuum applications. The strong steel core prevents movement of the gasket into the intake port. The gasket also has an anti-stick coating to make gasket removal and cleanup easier, while preventing gasket failure due to intake manifold and cylinder head movement.Head History – The Evolution of Factory SBC Cylinder Heads To Gen IV. By Bobby Kimbrough October 16, 2015. The venerable small-block Chevy V8 engine has seen an amazing evolution in the past 60 years. From the early 265/283 displacement engines to the most popular engine of any era, the 350 SBC, all the way to the modern LS platforms …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:Mar 22, 2019 · Object moved to here. 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. The thing is that the ebay ad says: very clean. not much use.The torque is 3 then 12 then 15 Newton-meters, with blue Loctite on clean bolts and clean threads. More than that will destroy the gaskets and they will leak! The idea is, the iron block and heads will want to move around differently compared to the aluminum manifold, so LET IT. Sbc intake torque specs aluminum heads, Spark plugs. 14 mm. 25 ft. lbs. 25 ft. lbs. * Tips for proper installation of heads gaskets. 1) Cleaning. The most important operation of regasketing your engine is thorough cleaning of the cylinder head, block, bolts, and bolt holes. A dirty bolt can throw off torque readings by as much as 20 ft. lbs. 2) Watch bolt lengths., Sold as a pair. Uses 3/4 in. reach gasket seat spark plug. Heads are drilled to accept both early style (12 bolt) and late style (8 bolt/Vortec) intake manifolds. Exhaust ports are 1/2 in. raised compared to stock cylinder heads. Welcome to a new class of high performance cylinder heads--BluePrint Muscle Series! , Automotive Racing Products 1863 Eastman Avenue Ventura, Ca 93003. Tel: (805) 339-2200 Fax: (805) 650-0742 www.arp-bolts.com. INSTALLATION METHOD FOR PRO SERIES ROCKER ARM STUD KITS. Part Number: 235-7202 Application: 7/16 Dia. BB Chevy w/ Dart Aluminum Heads., They are designed to use 2.020'' intake and 1.600'' exhaust valves, and work well in engines from 302 to 400ci. World's S/R Torquer 305 cylinder heads come with 58cc combustion chambers, and are ideally suited for use on 262-307ci small blocks. Technical Specifications Material: High density cast iron Valve Seats: Integral intake, hardened ..., 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. ..., 383 High Performance Engine Torque Specifications: NOTE: These specifications are correct for the SP383 or HT383 Base engine. If using components different from that configuration, the specifications may be different. Camshaft retainer bolt/screw ..... 106 in.-lbs. / 12 N·m , INSTALLATION INSTRUCTIONS. Use either Edelbrock #7201 or Fel-Pro #1256 (#1205 for aftermarket heads) intake gasket set when installing this intake manifold. Fully clean …, 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., 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 ..., When the block is 0 decked and the heads are decked more than about .025". The corner studs can be too close to the center requiring that the holes are opened a bit. Cutting the manifold flange or cylinder head intake flange does not change this but will help with aligning the perpendicular bolts on either side of the runners., 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 …, 11 Nov 2017 ... It's official: the “How to Build Your First Engine Series” is over! This is the final episode, as David Freiburger and Steve Dulcich wrap up ..., 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 …, 8097 posts · Joined 2000. #2 · Jul 2, 2004. I think I saw 11 lb/ft somewhere . . . can't recall exactly where though. 25 lb/ft is way too tight for aluminum intake on aluminum heads IMO. If you have a calibrated arm I go "a little past spark plug tight". In other words snug with a 3/8 drive ratchet -- enough to squish the gasket but not ..., I am going to clean up the threads and see what happens but wanted to know how much torque can the threads handle. I do not want to remove intake and all the other stuff. Call me a lazy. Retorqued at 11 ft lbs the motor idles at 1400rpm, obviously an intake leak. If retorqued to 30 ft lbs will stop intake leak maybe., I am going to clean up the threads and see what happens but wanted to know how much torque can the threads handle. I do not want to remove intake and all the other stuff. Call me a lazy. Retorqued at 11 ft lbs the motor idles at 1400rpm, obviously an intake leak. If retorqued to 30 ft lbs will stop intake leak maybe., 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., , 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., 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:, ProMaxx Performance 185cc Aluminum Cylinder Heads Small Block Chevy. 185cc Aluminum Cylinder Heads. Small Block Chevy. 2.02''/1.60'' Valves. 185cc Intake Runner. 72cc Combustion Chamber. Straight Plug. Assembled. Sold as pairs. , 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. ..., I tightend mine down just as though I was using a steel head with no issues. I cant imagine youre going to overtorque them anyway much with a 6" long wrench and a cramped hand in those tight quarters. 65 Mustang GT 331EFI edelbrock performer heads, G force 5 speed. 2001 Lightning # 1757. 2004 F1504x4., 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 ..., Cylinder Head, Performer RPM, Aluminum, Assembled, 64cc Chamber, 195cc Intake Runner, Chevy 302, 327, 350, 400, Each. Part Number: EDL-60899 5.0 out of 5 stars, Requires hardened pushrods.; All E-Street Cylinder Heads are sold in pairs; Dyno tests showed a gain of 16 hp and 11 ft-lbs of torque over our overseas competitor; Intake Valve Diameter: 2.02 in : Intake Runner Volume: 185 cc : Material: Aluminum : Push Rod Diameter (Suggested) 0.3125 in : Rocker Stud Diameter: 0.375 in : Valve Angle: 23 deg ..., Mar 22, 2019 · Object moved to here. , 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., 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 ..., The BRODIX 18X offers the best of both worlds, 18° horsepower without using expensive shaft rockers or offset lifters. This head offers a dramatic horsepower increase over the previous 23° cylinder head. Several advantages of the 18X are intake ports that flow over 320 cfm out-of-the-box, an intake valve size of 2.140, raised intake ports ..., Torque specs. 04-30-2013, 05:23 PM. I have a 351W with the performer RPM heads and Pro-Flo Intake. I need to re-torque the heads but don't have the specs for sequence or ft pounds, and since the heads are aluminum, do I need to use stretch head bolts if I replace them? Any help would be appreciated, Thanks!, Esker (ALESK): Record order intake in Q3 27-Oct-2022 / 07:00 GMT/BST   London, UK, 27 October 2022   Esker (ALESK): Rec... Esker (ALESK): Record order intake in Q3 2..., Part # 9109266. Flo-Tek. |. #9109266. Flo-Tek 102505 Assembled SBC Aluminum Cylinder Heads/Install Kit. 6 Reviews. |. 3 Questions. Budget-conscious, yet proven, cylinder …