I torqued them to that limit, but that just seems too tight and does not agree with AC43.13 for their torque values. Kit Includes: (4) Mechanical locking nuts (M10 x 1.25mm) (4) Flange Bolts (M10 x 1.25mm x 40mm grade 10.9) NOTE: All hardware is zinc plated for long life. Then install the UPPER nut and tighten to 9-18 INCH-LBS. These include variations in the nut factor; bolt, flange and nut condition; equipment calibration and condition; perpendicularity of the bolt, nut and flange; etc. This was answered in post #3. 4 Stars & Up & Up; 3 Stars & Up & Up; 2 Stars & Up & Up; 1 Star & Up & Up; Brand. These include variations in the nut factor; bolt, flange and nut condition; equipment calibration and condition; perpendicularity of the bolt, nut and flange; etc. Look up flange bolt sizes and torque patterns in three taps with Flange Bolt. Surface condition of bolt Self Zinc Cadmium Phosphate Self 1.00 1.00 0.80 0.90 Zinc 1.15 1.20 1.35 1.15 Cadmium 0.85 0.90 1.20 1.00 Phosphate and oil Surface condition of nut 0.70 0.65 0.70 0.75 Zinc with wax 0.60 0.55 0.65 0.55 Formulae Accepted formulae relating torque and tension, based on many … Save 17%. Nut P/N 649496 is a flanged 6 point (hex) nut requiring a torque value of 790-810. (1) flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24 and flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12, with requirements given in U.S. The flange provides greater height and added hoop strength, yielding 30% more power than a standard nut. I know I,m not exactly a rocket scientist, but I thought we were talking about nut and bolts not Studs. Is the torque different for aftermarket headers? Route the oxygen sensor wiring back to their respective plugs and secure with wire ties as necessary. Click on One of the Links Below. $18.99 $ 18. Each has its own process for achieving proper torque and successful installation. Customer Review. Alpha Rider Exhaust Studs Nuts for 1984-2015 Harley Big Twin 1986-2015 Sportster XL. The torque value is dependent on the friction between the threads of the stud bolt and nut head, this friction can be affected by the application of a lubricant or any plating (e.g. The relationship between torque, the turning force, axial bolt force and gasket load can be … of torque. Tighten the nut to approximately 70% of the required torque (on double-latch assemblies, torque both latches equally). A key to reducing these effects is proper gasket installation. The final reason is that if the ring(s) gap is not cleaned of hard carbon material, it prevents the ring from clamping on the pipe properly without excessive torque. Jump to Latest Follow 1 - 11 of 11 Posts. Instant flange bolt sizes and torque patterns: Just enter the flange size, class, and type and the app instantly populates the correct values from the flange bolt size chart and the flange torque sequence chart, along with wrench size. Get it as soon as Mon, Mar 1. The copper nut will not rust together with the other metal parts. Also known as the Vortec, this engine was a clean-sheet design that shared not a single component with the original small block. 576 Posts . of torque. These two facts present an inherent dilemma. Twin Cam 88 exhaust stud torque? The Class 10 Metric version is manufactured from medium-carbon steel and heat-treated to meet Class 10 performance specifications. The torque values are applicable for the type of gasket specified and bolts, nuts and washers should be free from damage, rust etc. "Lock Washers" will do squat nothing to stop this problem. Customers Also Viewed; Frequently Purchased With; Related Items ; Reviews. Installation. Manifold nuts for Continental Exhaust Flange to Cylinder Installations. After receiving no response to my post about exhaust … I made about three applications of JB Weld, filing it flat in between applications until I was satisfied the surface was smooth and flat. You will gain 50 HP and 75 ft/lbs of torque (just kidding!) Scroll down for full size charts. This displacement or deflection ovalizes the top threads of the nut and deflects these threads out of their helical configuration. I use a good grunt, but not one that hurts my hand, & this is … Bolt Dia. (N.m) Adapter Housing-To-Transmission Case Bolt 24 (33) Crossmember Bolt 50 (68) Driveshaft "U" Joint Clamp Bolt 22 (30) Driveshaft Companion Flange Bolt 80 (108) Extension Housing-To-Rear Mount Bolt 50 (68) Extension Housing-To-Transmission Case Bolt 32 (43) Kickdown Band Adjusting Screw Lock Nut 30 (41) Low … Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. They cannot be put in after the … The nut factor is not the coefficient of friction. The values in the tables are based on the equation: T = Torque value, (ft-lbs) F = Bolt pre-load, (lbs) k = Nut Factor based on lubricant used d = Nominal bolt diameter, (in.) I guess bronze is not hard enough to deal with the torque that I used to tighten them and perhaps the heat had something to do with it as well. Nut P/N 652541 is a flanged 12-point nut requiring a torque value of 790-810 inch lbs. For example, the nuts require 60-ft.-lbs. Fly it for 30 minutes and re-torque while hot. Sounds backwards to me. The Exhaust Manifold Flange Nuts can perform under high temperatures and high pressures. In a bolted flange, the applied torque generates the axial load in the bolt. For example, the pinion nut may be staked to the gear stem, however, most stakeable nuts have separate features for tightening the nut and staking the nut such that more space is required for these types of nuts. Third-Generation LS1. TORQUE SPECIFICATIONS TORQUE SPECIFICATIONS Application Ft. Lbs. If MOS₂ lubricants are used, the values stated lose their validity. Continue tightening until next split pin slot aligns. The tightening torques stated are only valid for screws and nuts with oiled threads which are tightened by hand with a torque wrench. All customers get FREE Shipping on orders over $25 shipped by Amazon. Does anybody know the torque specs for the exhaust flange nuts on a 1500 classic? Torque exhaust nuts to specifications from OEM manual -- Re-Torque after a hot run. ps make sure flanges ARE flat before install... flatten them if needed! FREE Shipping on orders over $25 shipped by Amazon . They can withstand high torque forces and stresses. The original question was about the torque values for the correct torque values for his o320 exhaust nuts, and intake flange bolts. Engine Torque Specifications for BMW 3-Series: BMW 1.8L-110ci-S4 BMW 1.9L-116ci-S4 BMW 2.5L-152ci-S6 BMW 2.8L-170ci-S6 Torque Specifications for BMW 3-Series: Anti Roll/Stabilizer Bar To Frame 16 Ft-Lbs 192 In … Don't want to download the app? Browse Nutty.com nuts catalog for Grade 8 (G) Flange Torque (Stover) Lock Nuts. In seconds. Nut P/N 634505 is a flanged 6 point (hex) nut requiring a torque value of 690-710 inch pounds. or you will warp the flanges on exhaust stacks!!! In general, all nuts are secured following a progressive, higher torque sequence. 99 … Get it as soon as Mon, Mar 1. b. Nut P/N 649496 is a flanged 6 point (hex) nut requiring a torque value of 790-810 inch lbs. Search Car Torque Specifications by Engine or Model. Cherokee A. Full offline capability: No internet connection necessary to use. (Exhaust Flange) Exhaust hardware kit used on the two-bolt collectors in the header and exhaust kits. 86. More Buying Choices $9.68 (2 new offers) Harley Exhaust Flange Gasket Kit with Chrome finish on flanges and acorn nuts. exhaust flanges R985 Pratt & Whitney CONTINENTAL LYCOMING INSTALLATION TIPS: Be sure that exhaust stack & cylinder flanges are flat Install solid gaskets with raised bead facing the exhaust stack flange -- These may be used in pairs with raised beads interlocked, if desired. ers, nuts, lock nuts, fittings and torque data. Order Exhaust Flange Bolt/Nut for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Progressively Tighten Bolts on Flanges Flanges are found on a variety of parts associated with exhaust repairs. Free Shipping by Amazon. Looking up flange bolt sizes and torque patterns with Flange Bolt is far faster and less error prone than searching through PDF charts and tables. Lynn N. October 3, 2020. All data is stored locally on your phone. Crownlock Flange Torque Nuts are offered in multiple options. 4.4 out of 5 stars 63. EXHAUST FLANGE NUT TORQUE I am a little confused as to the correct torque for the exhaust flange nuts on a stock O320-150 with stock exhaust. View Profile View Forum Posts Join Date Apr 2002 Location Nikiski Alaska Posts 2,695 Post Thanks / Like . Submit a Review. Save 17%. The clamp load produced during tightening is higher than 75% of the fastener’s proof load. for 5/16 exhaust nuts. An excellent replacement for the original Continental nuts. Begin by torquing nut one, two and three to 20-ft.-lbs. FREE Shipping. They fit well and torque up properly. Do not slacken off until the next slot aligns! The bolt acts like a spring. Alpha Rider Exhaust Studs Nuts for 1984-2015 Harley Big Twin 1986-2015 Sportster XL. Example: bolt and nut are both phosphated; required torque = torque recommended x 0.75. "when in doubt, ask" I was … When screws and nuts are replaced, to ensure the quality, surface finish and correct dimensions of these fasteners, check the part number in the spare parts catalogue. 15 Apr 2007. 4.4 out of 5 stars 63. FREE Shipping on orders over $25 shipped by Amazon. 2. A castle nut requires a separate piece, such as a cotter pin, which is deformed between the gear stem and slots or other hard features on the castle nut. Cherokee A. Customary units with diameter of bolts and flange bolt holes expressed in inch units; (3) flanged fittings with rating class designation 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24 and flanged fittings with rating class designation 2500 in sizes NPS 1/2 through NPS 12  in U.S. Original LADA, copper nut to mount the exhaust flange (or anywhere where corrosion prevails). Designed for high-strength applications and for use with Class … 3. The bolting standard will define whether the torque value is for a dry or lubricated stud/bolt thread. The original question was about the torque values for the correct torque values for his o320 exhaust nuts, and intake flange bolts.