154-4205: SB Ford SVO 351 Head Stud Kit. 351W (1/2" factory head bolts) - 100ft./lbs. The rest had bolt-fulcrum style, no-adjust, stampedsteel rocker arms as found on small-block Fords 1978-up. Another EZ Read reference. They contain things like firing order, torque specs, drill and tap information. I am just too cheap to buy a book....when I know it is available online. i go with the ford torque sequence. They contain things like firing order, torque specs, drill and tap information. The 1970 Cleveland produced 300 horsepower at 5,400 revolutions per minute (rpm) and 380 foot-lbs. 351W Fastener Type Torque Spec. for the short bolts. Search Car Torque Specifications by Engine or Model Contact Us - The head uses 3/8 rocker studs 915-99156 and requires the use of adjustable rocker arms like our part number: 915-11772. here is some more info for you. This includes some aftermarket cylinders that are not made specifically for a 351W setup. Follow torque sequence shown below. of torque … Hi DJ,the head torque is 65 - 72 ft lbs (I go with 70 with a click type torque wrench). I know the torque values are different using the ARP assembly lube ( got those from ARP) but what is the sequence? Tighten the 5/16-inch bolts to between 21 and 25 foot-pounds of torque. 351W Fastener Type Torque Spec. Install all 12 bolts and torque to 10 lb.ft. Second pass, torque them down to 105 to 112 ftlb. 254-4110: Ford SVO Fontana, w/'94up Yates heads Head Stud Kit. 254-4107: SB Ford 351 SVO Yates Design Head Stud Kit. for the long bolts. 110ft./lbs. The "top row" I was referring too runs left to right across the head, between the rocker studs/bosses and the springs. The sequence/pattern for tighening the head bolts and torque specs I just put in a 351w w/400 heads, the motor has a 1000mls on it now, and i need to know what i need to retighten and what is the sequence/pattern for tighening the head bolts and torque specs.? Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. Jan 15, 2020 - If you do anything automotive and are a performance enthusiast you will need to use this collection of these reference pages. The torque sequence for all three Ford engines can be seen in the photo above. Torqued in stock sequence and increments. Tighten the rocker arm nuts to between 17 and 23 foot-pounds of torque if the engine was manufactured for the 1969 through the 1974 model years, and to between 18 and 25 foot-pounds of torque for the 1975 and 1976 model years. It has a late 60's or early 70's 351 Windsor; I'm not sure of the exact year, but so far, all parts I've bought for a 1969 Couger 351 have fit. Harmonic damper bolt 70-90 ft-lbs. I searched for hours on the web but can only turn up … The intake manifold bolts should be tightened in a crisscross pattern to ensure even gasket sealing. Again, the 289 and 302 are two-stepped (I do three steps) to between 65 and 72 lb-ft. And with the right head, cam, and induction combination, torque hands off to horsepower at high RPM. SB Ford 289-302, w/351W head, 12pt: Head Stud Kit: 154-4205: Click : SB Ford SVO 351: Head Stud Kit: 254-4107: Click : SB Ford 351 SVO Yates Design: Head Stud Kit: 254-4109: Click : Ford 351 SVO Yates '94 Design: Head Stud Kit: 254-4110: Click The “Torque Sequence” column shows which diagram to use as the specific bolt torquing sequence for your engine . 351W Torque Spec. 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. If using on the 351 with the larger bolts it is 100 pounds net torque in same sequence and increments as stock. 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. 254-4110: Ford SVO Fontana, w/'94up Yates heads Head Stud Kit. i go with the ford torque sequence. did u flush the heads? I'm using 10w-30 motor oil instead of their lube and these are the 6 point/170,000 psi hp head bolts. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. John Stevens has been a writer for various websites since 2008. i am still not sure which side is which. Over 6,000 Automotive Torque Specs. for ½" bolts (351-W) in three or four steps following the factory tightening sequence (see Figure 1), then tighten the long (upper) head bolts to 80 ft./lbs. Torque to 70 ft./lbs. hit the bolt once in sequence, chill for a bit maybe have a cold brew. Jan 15, 2020 - If you do anything automotive and are a performance enthusiast you will need to use this collection of these reference pages. here is some more info for you. Note that the 351s produced during the 1975 and 1976 model years featured three sizes of intake manifold bolts. Install all 12 bolts and torque to 10 ft./lbs. Mustang 1/2" Head Bolts. Torque 7/16" bolts to 65-70 ft./lbs. To avoid damaging the gasket, it is important to tighten all of the cylinder head bolts in small increments at a time until the final torque setting is reached. Torque: 50 Nm (37 ft-lbs) In sequence, turn each bolt an additional 90 degrees. Fastener Type: Torque Specs: Main Cap Bolts: 60-70 ft.-lbs. what does ur head supplier (AFR) spec? Cylinder head bolts 90-100 ft-lbs. Torque Spec: Main Cap Bolts: 95-105 ft.-lbs. Connecting Rod Bolts: 40-45 ft.-lbs. About Us - for 7/16" bolts (289/302) or 100 ft./lbs. If its a stock head: First time around torque them down to 95 to 105 ftlb. I did find the intake pattern. the 351c or 351 Cleveland shared its transmission pattern with small block Windsor 260 though 351w, the 351c shared its bore and stroke with the 351m of 4.00 x 3.5. including cylinder head bolts, main bolts, cylinder head studs, flywheel bolts, oil pan bolts, rod bolts, freeze plugs and other engine fasteners. Don, go with the ARP torque, 351w no sealer. I have a coolant leak that I tracked to the lower head bolt D side # 2 in the torque sequence. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "Motor's Auto Repair Manual, 39th Edition"; Motors; 1976. If you are useing old studs and nuts i would reconment that you drop the torque 10 ft. Cylinder Head Torque Sequence. Note that the rocker arm specification also varies depending on the year of the engine. I'd suggest always buy new head bolts. 254-4109: Ford 351 SVO Yates '94 Design Head Stud Kit. exhaust valves. That was way overkill as I used ARP bolts which called for 80# with the lube they provide. In sequence, torque all bolts. Use Edelbrock Head Bolt Bushings with Integral Washers #9680 in place of washers supplied with your head bolt kit. is the top row on the driver or passenger side of the block? The 351W motors featured 1/2" head bolts, unlike the smaller 7/16" bolts found on factory 79-95 302 5.0L motors. The 335-series small-block engine family (351C, 351M, 400M) had two types of rocker arm arrangements from the factory. The head uses 3/8 rocker studs 915-99156 and requires the use of adjustable rocker arms like our part number: 915-11772. When Ford introduced the 302 to replace the 289 the engines were very similar and even used the same pistons.. For your convenience, we stock complete and partial ARP head-bolt kits, studs and washers. … The 351 falls within three engine designations, the W, the C and the M. The engines feature the same displacement but share little else in common. but i did mine in 3 stages, always do in any of my torquing. Someone mentioned to me that the head and intake bolts need to be torqued and done in a specific sequence. Everything I read says to use the factory torque sequence when tightening the main caps but nobody actually lists what it IS!! Tighten the 5/16-inch bolts to between 21 and 25 foot-pounds of torque. The 351 intake, on the other hand is torqued in three stages to between 23 and 25 lb-ft. Ford Head Bolt Torque Sentences and Specs. Your head stud kit should have come with instructions with torque values and thread lube, the ones I've bought in the past always had them. The 351 develops more compression and horsepower, so it needs more torque on the head … for ½" bolts (351-W) in three or four steps following the factory tightening sequence (see Figure 3), then tighten the long (upper) head bolts to 80 ft./lbs. As with all engines, it is vitally important to follow the 351's torque specifications carefully to avoid damaging the engine block and the various components. 05-18-2005, 05:36 PM. The 4.3L GM motor has 13 head bolts. (45-50 ft.-lbs. or 100 ft./lbs. Tighten the bolts on the ends of the exhaust manifold first and work inward. If using on the 351 with the larger bolts it is 100 pounds net torque in same sequence and increments as stock. Ford Small-Block Rebuild: Torque Specs, Sequences, and Alignment - Covers 221, 260, 289, 302, Boss 302, 351W, 351C, 351M, and 400M Small Block Ford Engines. 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. 254-4101: Ford 351 Block, w/6049-N351 heads I am replacing my head gaskets . 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. For this reason, it is imperative that the torque specifications for one engine not be used for a different engine designation. 1979-95 Mustangs running a 351W motor will require the use of 1/2" head bolts when securing cylinder heads to the block. 351W = 9.48 or 9.5 deck = 1/2" diameter head fasteners = 110# final torque value for ARP studs with ARP lube. A re-torque is recommended after initial start-up and … The 2V head, as its designation indicates, has the 351C- 2V (2-barrel) port configuration. Rocker arms 17-23 ft-lbs. the same torque sequence, tighten all 12 bolts to 18 lb-ft for aluminum heads. did u flush the heads? Tighten the rocker arm cover bolts to between 3 and 5 foot-pounds of torque. Tighten the 3/8-inch bolts to between 27 and 33 foot-pounds of torque. For your convenience, we stock complete and partial ARP head-bolt kits, studs and washers. Torque: 50 Nm (37 ft-lbs) In sequence, turn each bolt an additional 90 degrees. did you get them used or ?? Bolt Torque Sequence 6/1/11 Tighten the exhaust manifold bolts to between 18 and 24 foot-pounds of torque. enjoy. Again, the 289 and 302 are two-stepped (I do three steps) to between 65 and 72 lb-ft. Torque to 70 ft./lbs. (45-50 ft.-lbs. Tighten the 1/4-inch bolts to between 6 and 9 foot-pounds of torque. There are three basic types of CHI heads: 2V, 3V, and 4V. Cookie Policy - what does ur head supplier (AFR) spec? Search Car Torque Specifications by Engine or Model Note that the corner four bolts (numbers 5, 6, 7, and 8) are not supported byacylinder head and tightening them beyond 15 lb. The upper seven bolts are numbered from front to rear---under the valve covers---as 12, 8, 4, 5, 1, 9 and 13, while the lower bolts are numbered 11, 7, 3, 2, 6 and 10. Tighten the spark plugs to between 15 and 20 foot-pounds of torque for all years except those 351s produced during 1975 and 1976. Any help would be appreciated, Thanks! Find Speedmaster PCE279-1001 Speedmaster Cylinder Head Fasteners and get Free Shipping on Orders Over $99 at Summit Racing! Intake manifold bolts 23-25 ft-lbs. for Boss 351C) Cylinder Head Bolts (Follow factory torque sequence) 105 ft.-lbs. 1983 Ford 351 w engine torque specs and sequences? the 351c or 351 Cleveland shared its transmission pattern with small block Windsor 260 though 351w, the 351c shared its bore and stroke with the 351m of 4.00 x 3.5 including cylinder head bolts, main bolts, cylinder head studs, flywheel bolts, oil pan bolts, rod bolts, freeze plugs and other engine fasteners. Don, go with the ARP torque, 351w no sealer. I will be replacing head gaskets, intake and exhaust gaskets. They contain things like firing order, torque specs, drill and tap information. Main cap bots 95-105 ft.-lbs. This Performer RPM Cylinder Head is designed for 351C, 351M & 400M Ford engines. For iron heads, the final torque … 254-4107: SB Ford 351 SVO Yates Design Head Stud Kit. ? Advertising - The 1971 Cleveland produced 285 horsepower at 5,400 rpm and 370 foot-lbs. Ford 5.8L-351ci-V8 Engine Torque Specs. 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? This is the only one leaking and you can clearly see coolant coming out as the pressure build when coming up to temp. In drag racing, torque helps in coming off the line under hard acceleration. Cam bolts 40-45 ft-lbs. but i did mine in 3 stages, always do in any of my torquing. Over 6,000 Automotive Torque Specs. Hello again, I was wondering if anyone knew the torque spec for arp head bolts for a 351w? The valve lash is: Intake .012 Exhaust .018 and I'll include the torque sequence in an upload.If you need more help let me know,thanks,Dave 351W (1/2" factory head bolts) - 100ft./lbs. All diagrams can be found in numerical sequence at the back of this publication . Archive - Tighten the bolts to between 105 and 112 foot-pounds of torque if the engine was manufactured during the 1973 or 1974 model years. washer, and area under head bolt to prevent galling and improper torque readings. Repeat multiple times in sequence until all bolts reach proper torque. for 7/16" bolts (289/302) or 100 ft./lbs. Connecting rod bolts 40-45 ft.-lbs Cylinder head bolts (follow factory torque sequence) Connecting rod bolts 40-45 ft.-lbs Cylinder head bolts (follow factory torque sequence) 289ci / 302W (7/16" factory head bolts) - 70ft./lbs. Also note that some torque specifications vary by the year of the engine. Do Not Sell My Personal Information -, By logging into your account, you agree to our, I have been searching online for the Head Torque sequence for a 351W. Small Block Chevrolet Head Bolt Torque Sequence. head bolt to prevent galling and improper torque readings. Follow torque sequence shown below. 351 windsor head bolt torque sequence. Reply. (125 ft.-lbs. of torque at 3,400 rpm. 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. Then, using same torque sequence, tighten all 12 bolts to 18 ft./lbs. Use of other gaskets may result in water leaks. I have a 351W with the performer RPM heads and Pro-Flo Intake. Tighten the bolts to between 95 and 105 foot-pounds of torque for the 1975 and 1976 model years. Stevens is a lawyer and licensed real-estate broker. Tighten the main bearing cap bolts to between 95 and 105 foot-pounds of torque and the connecting rod cap bolts to between 40 and 45 foot-pounds of torque. Ford 5.0L-302ci-V8 Engine Torque Specs. 254-4109: Ford 351 SVO Yates '94 Design Head Stud Kit. Torqued in stock sequence and increments. Blew it again shortly thereafter. Take particular care when tightening the spark plugs, as they can break. for Boss 351C) Cylinder Head Bolts (Follow factory torque sequence) 105 ft.-lbs. When I later swapped to Brodix I did them to ARP specs. a quick vid on how to install ford heads along with torque specs and pattern, head gasket installation procedures and all the goods! hit the bolt once in sequence, chill for a bit maybe have a cold brew. I have a 1970 F 100 pick up. The bolt numbering is the sequence in which they should be tightened. Oil pump bolts 23-28 ft-lbs. Very streetable 190cc intake runners. He holds an Associate of Science in administration of justice from Riverside Community College, a Bachelor of Arts in criminal justice from California State University, San Bernardino, and a Juris Doctor from Whittier Law School. Install the main bearing caps before installing the connecting rod caps. Main cap bots 95-105 ft.-lbs. Tighten the 1/4-inch bolts to between 6 and 9 foot-pounds of torque. (1/2"). Flathead Cylinder Head Torque Specifications: Home ... Edlebrock, and others) might provide different torque specs for their products, even though the tightening sequence may be the same. In sequence, torque all bolts. in four steps (30, 40, 50, 65-70) following the factory tightening sequence. We recommend the M-9424-A50 intake gasket. The Ford 351 Windsor was first introduced in 1969 and was quite a breakthrough in regards to the ways Ford produced its V8 engines. Fastener Type - Torque Spec Main cap bolts 95-105 ft-lbs Connecting rod bolts 40-45 ft-lbs. 187 Posts. Bottom row (left to right): 10 6 2 4 8. for the short bolts. The torque specification of the head bolts varies depending on the year. This gasket will fit most 351W heads. The Boss 351 (1971) and 351 High Output (1972) had adjustable, stud-mounted rocker arms. (1/2"). The 351 Windsor was in a league of its own because of its heightened deck block, larger connecting rods and much “beefier” main bearing … Speedmaster cylinder head fasteners are manufactured from aircraft-quality 8740 high-tensile strength chromoly steel and cold-forged to ensure molecular integrity. SB Ford 289-302, w/351W head, 12pt Head Stud Kit. Connecting Rod Bolts: 40-45 ft.-lbs. Tighten the plugs to between 10 and 15 foot-pounds of torque for the 1975 and 1976 models. for the short bolts. I was not having much luck. How To Torque Cylinder Head Bolts - EricTheCarGuyhttp://www.ericthecarguy.com/Well this was a fun one to make. for 1/2" bolts (351-W) in three or four steps following the factory tightening sequence (see Figure 1), then tighten the intake and 1.60in. Tighten the cylinder head bolts to between 95 and 100 foot-pounds of torque if the engine was manufactured for the 1969 through 1972 model years. SB Ford 289-302, w/351W head, 12pt Head Stud Kit. Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W), The following errors occurred with your submission, 1987 - 1996 F150 & Larger F-Series Trucks, 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks, FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428), Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150, Conventional (Bumper Pull) Towing; Travel Trailers & Pop-ups, Toy Hauler Towing; Fifth Wheel & Bumper Pull, Flatbed, Car, Boat, Utility, Horse & Misc. 110ft./lbs. Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. 154-4205: SB Ford SVO 351 Head Stud Kit. (7/16") or 110 ft./lbs. (7/16") or 110 ft./lbs. Torque Spec: Main Cap Bolts: 95-105 ft.-lbs. Can i get a little help from the pros? 2.05in. Compact charge kidney shape combustion chamber design. (125 ft.-lbs. Tighten the flywheel bolts to between 75 and 85 foot-pounds of torque. Each fastener is heat-treated prior to thread rolling and machining, then topped off … Bolt tightening sequence goes like this: Top row (left to right): 9 5 1 3 7. Intake and exhaust ports based on 2V.Very Streetable 190cc Intake RunnersCompact Charge Combustion Chamber DesignChamber Increases Power ; … ARP Ultra-Torque far surpasses all requirements offered by previous ARP lubricants in terms of fastener preload repeatability and performance lubricating properties. … Privacy Statement - Finally, tighten the vibration damper bolt to between 70 and 90 foot-pounds of torque. Tighten the intake manifold bolts to between 23 and 25 foot-pounds of torque for all model years except 1975 and 1976. Cam thrust plate bolts 8-10 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. Although torque specifications are generally thought of as important when installing the engine's main components, a number of other components are also assigned torque specifications on the 351W, including the spark plugs, the flywheel bolts, the rocker arm cover bolts and the vibration damper's single bolt. Then using same sequence, tighten to 15 lb.ft.Again, following torque sequence, tighten ONLYTHE INSIDE 8 BOLTS to 25 lb. 254-4101: Ford 351 Block, w/6049-N351 heads Unlike the cylinder head bolts, the rocker arm nuts may be tightened to their final torque specification individually. Terms of Service - What n2omike said. cpjonesman. remember to torque in 3 or more equal steps. Connecting Rod Bolts: 22-25 ft.-lbs. 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The 351 C featured a bore of 4 inches and a stroke of 3.5 inches. Correct me here but 94 plus 351w roller block head bolts do NOT pass into the water jackets? Note that the 351s produced during the 1975 and 1976 model years featured three sizes of intake manifold bolts. Jump to Latest Follow ... 90 Notch 69 351W bored .030 over 68 Falcon Full Cage and FE 487ci. If anybody knows where I can get this info, or even a pictoral diagram would be exrtremely helpfull. '74 351w using the ARP stud kit. For more information on ARP Ultra-Torque visit our website at www.arp-bolts.com or call 1 800-826-3045. The torque sequence for all three Ford engines can be seen in the photo above. Note: You will find that the end bolts reach their final torque value sooner than the center bolts. Previously installed Torque-to-Yield head bolts should never be reused. Jan 15, 2020 - If you do anything automotive and are a performance enthusiast you will need to use this collection of these reference pages. Tighten the 3/8-inch bolts to between 27 and 33 foot-pounds of torque. I re-installed my GT40X heads (351W) after porting but did them to the original factory specs @ 110#. have the right intake manifold to cylinder head gasket. for the long bolts. The 351 intake, on the other hand is torqued in three stages to between 23 and 25 lb-ft. Ford Head Bolt Torque Sentences and Specs. Make sure to use Permatex thread sealant with Teflon. EZ Read simple diagram of the Small Block Chevy Cylinder Head Torque Sequence. 80ft./lbs for the long bolts. The sequence/pattern for tighening the head bolts and torque specs I just put in a 351w w/400 heads, the motor has a 1000mls on it now, and i need to know what i need to retighten and what is the sequence/pattern for tighening the head bolts and torque specs.?
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