Fastener Type - Torque Spec Main cap bolts 95-105 ft-lbs Connecting rod bolts 40-45 ft-lbs. Ford 5.8L-351ci-V8 Engine Torque Specs. 254-4107: SB Ford 351 SVO Yates Design Head Stud Kit. ? Torque Spec: Main Cap Bolts: 95-105 ft.-lbs. Cylinder head bolts 90-100 ft-lbs. 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. Intake and exhaust ports based on 2V.Very Streetable 190cc Intake RunnersCompact Charge Combustion Chamber DesignChamber Increases Power ; … 80ft./lbs for the long bolts. Everything I read says to use the factory torque sequence when tightening the main caps but nobody actually lists what it IS!! Compact charge kidney shape combustion chamber design. I did find the intake pattern. did u flush the heads? Search Car Torque Specifications by Engine or Model Second pass, torque them down to 105 to 112 ftlb. (125 ft.-lbs. but i did mine in 3 stages, always do in any of my torquing. 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. The "top row" I was referring too runs left to right across the head, between the rocker studs/bosses and the springs. 351W (1/2" factory head bolts) - 100ft./lbs. but i did mine in 3 stages, always do in any of my torquing. They contain things like firing order, torque specs, drill and tap information. Don, go with the ARP torque, 351w no sealer. … 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. Tighten the intake manifold bolts to between 23 and 25 foot-pounds of torque for all model years except 1975 and 1976. Finally, tighten the vibration damper bolt to between 70 and 90 foot-pounds of torque. 254-4101: Ford 351 Block, w/6049-N351 heads John Stevens has been a writer for various websites since 2008. The torque sequence for all three Ford engines can be seen in the photo above. 351W (1/2" factory head bolts) - 100ft./lbs. 1979-95 Mustangs running a 351W motor will require the use of 1/2" head bolts when securing cylinder heads to the block. Torque: 50 Nm (37 ft-lbs) In sequence, turn each bolt an additional 90 degrees. 254-4107: SB Ford 351 SVO Yates Design Head Stud Kit. Torque: 50 Nm (37 ft-lbs) In sequence, turn each bolt an additional 90 degrees. I have a 1970 F 100 pick up. 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.? Tighten the spark plugs to between 15 and 20 foot-pounds of torque for all years except those 351s produced during 1975 and 1976. remember to torque in 3 or more equal steps. i am still not sure which side is which. Cookie Policy - All diagrams can be found in numerical sequence at the back of this publication . 254-4110: Ford SVO Fontana, w/'94up Yates heads Head Stud Kit. Privacy Statement - Oil pump bolts 23-28 ft-lbs. The intake manifold bolts should be tightened in a crisscross pattern to ensure even gasket sealing. If anybody knows where I can get this info, or even a pictoral diagram would be exrtremely helpfull. Tighten the 5/16-inch bolts to between 21 and 25 foot-pounds of torque. I'm using 10w-30 motor oil instead of their lube and these are the 6 point/170,000 psi hp head bolts. About Us - Note that the 351s produced during the 1975 and 1976 model years featured three sizes of intake manifold bolts. 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 I have a 351W with the performer RPM heads and Pro-Flo Intake. (7/16") or 110 ft./lbs. 351W Fastener Type Torque Spec. Also note that some torque specifications vary by the year of the engine. Install all 12 bolts and torque to 10 ft./lbs. here is some more info for you. have the right intake manifold to cylinder head gasket. The head uses 3/8 rocker studs 915-99156 and requires the use of adjustable rocker arms like our part number: 915-11772. Tighten the bolts on the ends of the exhaust manifold first and work inward. How To Torque Cylinder Head Bolts - EricTheCarGuyhttp://www.ericthecarguy.com/Well this was a fun one to make. 154-4205: SB Ford SVO 351 Head Stud Kit. Note that the rocker arm specification also varies depending on the year of the engine. I'd suggest always buy new head bolts. Jan 15, 2020 - If you do anything automotive and are a performance enthusiast you will need to use this collection of these reference pages. for 7/16" bolts (289/302) or 100 ft./lbs. This is the only one leaking and you can clearly see coolant coming out as the pressure build when coming up to temp. 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 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. 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. of torque at 3,400 rpm. I searched for hours on the web but can only turn up … Tighten the 3/8-inch bolts to between 27 and 33 foot-pounds of torque. (45-50 ft.-lbs. 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. 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? head bolt to prevent galling and improper torque readings. Another EZ Read reference. 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. Tighten the exhaust manifold bolts to between 18 and 24 foot-pounds of torque. 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. Install all 12 bolts and torque to 10 lb.ft. Intake manifold bolts 23-25 ft-lbs. In sequence, torque all bolts. 289ci / 302W (7/16" factory head bolts) - 70ft./lbs. Connecting rod bolts 40-45 ft.-lbs Cylinder head bolts (follow factory torque sequence) There are three basic types of CHI heads: 2V, 3V, and 4V. 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. This Performer RPM Cylinder Head is designed for 351C, 351M & 400M Ford engines. The head uses 3/8 rocker studs 915-99156 and requires the use of adjustable rocker arms like our part number: 915-11772. For more information on ARP Ultra-Torque visit our website at www.arp-bolts.com or call 1 800-826-3045. 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. Tighten the flywheel bolts to between 75 and 85 foot-pounds of torque. I am replacing my head gaskets . (125 ft.-lbs. 254-4109: Ford 351 SVO Yates '94 Design Head Stud Kit. Connecting Rod Bolts: 40-45 ft.-lbs. head torque sequence. in four steps (30, 40, 50, 65-70) following the factory tightening sequence. Then, using same torque sequence, tighten all 12 bolts to 18 ft./lbs. Cylinder Head Torque Sequence. They contain things like firing order, torque specs, drill and tap information. Mustang 1/2" Head Bolts. ft. Contact Us - washer, and area under head bolt to prevent galling and improper torque readings. Over 6,000 Automotive Torque Specs. 110ft./lbs. If you are useing old studs and nuts i would reconment that you drop the torque 10 ft. The 351 develops more compression and horsepower, so it needs more torque on the head … The “Torque Sequence” column shows which diagram to use as the specific bolt torquing sequence for your engine . i go with the ford torque sequence. The 2V head, as its designation indicates, has the 351C- 2V (2-barrel) port configuration. I re-installed my GT40X heads (351W) after porting but did them to the original factory specs @ 110#. Take particular care when tightening the spark plugs, as they can break. 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 335-series small-block engine family (351C, 351M, 400M) had two types of rocker arm arrangements from the factory. Blew it again shortly thereafter. Hi DJ,the head torque is 65 - 72 ft lbs (I go with 70 with a click type torque wrench). Tighten the 5/16-inch bolts to between 21 and 25 foot-pounds of torque. 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.? Correct me here but 94 plus 351w roller block head bolts do NOT pass into the water jackets? for the short bolts. The rest had bolt-fulcrum style, no-adjust, stampedsteel rocker arms as found on small-block Fords 1978-up. here is some more info for you. Bolt Torque Sequence 6/1/11 Find Speedmaster PCE279-1001 Speedmaster Cylinder Head Fasteners and get Free Shipping on Orders Over $99 at Summit Racing! EZ Read simple diagram of the Small Block Chevy Cylinder Head Torque Sequence. for the short bolts. Use Edelbrock Head Bolt Bushings with Integral Washers #9680 in place of washers supplied with your head bolt kit. Each fastener is heat-treated prior to thread rolling and machining, then topped off … Trailer Towing, Other; Brakes, Electrical, Hitches, Weight Distribution & CDL Discussion, Pre-Power Stroke Diesel (7.3L IDI & 6.9L), Bio-diesel, Propane & Alternative Diesel Engine Fuels, Explorer, Sport Trac, Mountaineer & Aviator, 1973 - 1979 F-100 & Larger F-Series Trucks, 1967 - 1972 F-100 & Larger F-Series Trucks, 1961 - 1966 F-100 & Larger F-Series Trucks, 1957 - 1960 F100 & Larger F-Series Trucks, 1948 - 1956 F1, F100 & Larger F-Series Trucks, Nite, Nascar & Other Limited Edition Ford Trucks, Supercharger, Turbocharger, Nitrous Oxide & Water/Methanol Injection, Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460), 335 Series- 5.8/351M, 6.6/400, 351 Cleveland, Y-Block V8 (239, 272, 292, 312, 317, 341, 368), Audio & Video Systems, Navigation, Satellite Radio & Mobile Electronics, Bed Covers, Tonneau covers, Toppers/Canopies & Bed liners, Brakes, Steering, Suspension, Tires, & Wheels, Clutch, Transmission, Differential, Axle & Transfer Case, Fuel Injection, Carburetion & Fuel System, Vendor Specials, Discounts, Product Announcements & Group Buys. Tighten the 3/8-inch bolts to between 27 and 33 foot-pounds of torque. When I later swapped to Brodix I did them to ARP specs. 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. 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. Reply. what does ur head supplier (AFR) spec? The 1971 Cleveland produced 285 horsepower at 5,400 rpm and 370 foot-lbs. 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. Don, go with the ARP torque, 351w no sealer. Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. or 100 ft./lbs. 254-4109: Ford 351 SVO Yates '94 Design Head Stud Kit. 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. Can i get a little help from the pros? Cam bolts 40-45 ft-lbs. 1983 Ford 351 w engine torque specs and sequences? Connecting Rod Bolts: 40-45 ft.-lbs. Cam thrust plate bolts 8-10 ft-lbs. Connecting Rod Bolts: 22-25 ft.-lbs. Unlike the cylinder head bolts, the rocker arm nuts may be tightened to their final torque specification individually. is the top row on the driver or passenger side of the block? 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. The Ford 351 Windsor was first introduced in 1969 and was quite a breakthrough in regards to the ways Ford produced its V8 engines. Use of other gaskets may result in water leaks. If using on the 351 with the larger bolts it is 100 pounds net torque in same sequence and increments as stock. In drag racing, torque helps in coming off the line under hard acceleration. Follow torque sequence shown below. Tighten the rocker arm cover bolts to between 3 and 5 foot-pounds of torque. intake and 1.60in. 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. 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. If its a stock head: First time around torque them down to 95 to 105 ftlb. I am just too cheap to buy a book....when I know it is available online. 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. The torque sequence for all three Ford engines can be seen in the photo above. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "Motor's Auto Repair Manual, 39th Edition"; Motors; 1976. 05-18-2005, 05:36 PM. 351W = 9.48 or 9.5 deck = 1/2" diameter head fasteners = 110# final torque value for ARP studs with ARP lube. The 1970 Cleveland produced 300 horsepower at 5,400 revolutions per minute (rpm) and 380 foot-lbs. Torque to 70 ft./lbs. 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. Bottom row (left to right): 10 6 2 4 8. (45-50 ft.-lbs. 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. Torque to 70 ft./lbs. 154-4205: SB Ford SVO 351 Head Stud Kit. Main cap bots 95-105 ft.-lbs. The torque specification of the head bolts varies depending on the year. For iron heads, the final torque … Any help would be appreciated, Thanks! Make sure to use Permatex thread sealant with Teflon. Tighten the bolts to between 105 and 112 foot-pounds of torque if the engine was manufactured during the 1973 or 1974 model years. 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. did you get them used or ?? enjoy. The bolt numbering is the sequence in which they should be tightened. for Boss 351C) Cylinder Head Bolts (Follow factory torque sequence) 105 ft.-lbs. Speedmaster cylinder head fasteners are manufactured from aircraft-quality 8740 high-tensile strength chromoly steel and cold-forged to ensure molecular integrity. 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. The Boss 351 (1971) and 351 High Output (1972) had adjustable, stud-mounted rocker arms. Bolt tightening sequence goes like this: Top row (left to right): 9 5 1 3 7. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. I know the torque values are different using the ARP assembly lube ( got those from ARP) but what is the sequence? cpjonesman. 254-4110: Ford SVO Fontana, w/'94up Yates heads Head Stud Kit. In sequence, torque all bolts. Jump to Latest Follow ... 90 Notch 69 351W bored .030 over 68 Falcon Full Cage and FE 487ci. 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. I have a coolant leak that I tracked to the lower head bolt D side # 2 in the torque sequence. for Boss 351C) Cylinder Head Bolts (Follow factory torque sequence) 105 ft.-lbs. When Ford introduced the 302 to replace the 289 the engines were very similar and even used the same pistons.. I will be replacing head gaskets, intake and exhaust gaskets. i go with the ford torque sequence. 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. Very streetable 190cc intake runners. They contain things like firing order, torque specs, drill and tap information. (7/16") or 110 ft./lbs. Rocker arms 17-23 ft-lbs. The 351W motors featured 1/2" head bolts, unlike the smaller 7/16" bolts found on factory 79-95 302 5.0L motors. We recommend the M-9424-A50 intake gasket. 351W Fastener Type Torque Spec. This gasket will fit most 351W heads. Torque Spec: Main Cap Bolts: 95-105 ft.-lbs. Torqued in stock sequence and increments. '74 351w using the ARP stud kit. For your convenience, we stock complete and partial ARP head-bolt kits, studs and washers. for 7/16" bolts (289/302) or 100 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. 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. of torque … Install the main bearing caps before installing the connecting rod caps.
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