Sps rod bolt torque specs. . Resulting torque should be within the FINAL MIN or FINAL MAX Torque range, as per table. These are a nut and bolt type but the hex on the flanged lock nut is 1/2". We recommend the bolt lube included for STEEL RODS, or as an alternative, a molybdenum based bolt thread lube. If the threads are perfect, if they stretch what they should at the right torque, how long can you use these for? This is a vintage race Cooper S engine that is turned to 7500 rpm Sep 20, 2008 · Crower Rod Bolt Torque by AA Performance » Sat Sep 20, 2008 12:14 pm Trying to find the torque on the old Crower Billet rods with the through bolt & nut. If you lost the connecting rod instruction sheet, below are the proper torque specs for our rod bolts. The preferred method to tighten the bolt is using the stretch figure listed in the table below. May 30, 2001 · They recommend measuring bolt stretch instead. Especially when dealing with a 7/16 bolt. In order to check bolt stretch, simply fixture one rod, leaving the cap portion free from clamping load. The Carrillo S Connecting rod bolt (SPS-CARR-6) is a high quality, aircraft standard fastener. In fact, SPS has used the FEA tool to speed the design of connecting rod bolts for Formula One racing teams. Feb 26, 2009 · BBC SPS rod bolt torque/stretch info needed by ProPower engines » Thu Feb 26, 2009 1:58 am Hi Guys, Does anyone have any info on SPS rod bolt torque/stretch. This is using the supplied ARP ultra torque lube. Never seen these before and I am just freshing up a stove and have no information on them. ENF. If you measure one rod to the proper stretch using a torque wrench, then you can use that torque on the other rod bolts. 850 SJ H DIRT. They are the 7/16 SPS bolt with the 12 point nuts on a BBC rod. Stretch isn't an option as the bolt head & shaft hasn't got any center drillings to locate the stretch gauge. Even just a 5lb torque difference can distort the big end enough to be an issue. fail-safe Shear fastener—in Control linkages, engine Control mechanisms, fuel controls, bell crank systems, and other dynamic joint assemblies. I don't know the original pre-install length of these bolts. 3K views 6 replies 3 participants last post by Vinny V Apr 10, 2012 julven Discussion starter The preferred method to torque the bolt is by using the stretch figure listed in the table below. Mechanical and physical properties for each product are outlined along with guidelines for purchasing socket screws that meet FF-S-86 Federal Procurement Specifications. 0046. Apr 7, 2012 · Sps 15 WMC7-1 3/8 rod bolt torque spec? Jump to Latest 7. Mar 3, 2007 · (a)---these torque and stretch values are based on using SAE 30 weight oil on the bolt and nut threads and the seating surfaces of the rod bolt heads and the rod nuts. Lubricate the bolts and torque them using the recommended stretch figures in the table to ensure proper tightening. Dec 8, 2017 · Hello, does anybody have the torque or stretch specs for sps rod bolts for stock 440 rods? The best thing I could find was some old Mr Gasket instructions but there was more than one spec for 3/8 bolts and the part numbers given don't exist anywhere. Clearances for bearings and wrist pins are also specified. SPS Technologies uses Finite Element Analysis (FEA) to uncover optimal designs for fasteners destined for use in high performance racing circles. Jun 14, 2012 · I have 7/16" SPS rod bolts on my engine, and i cannot find the correct torque specs for those bolts, anyone have any info would be much appreciated. Jul 7, 2015 · SPS made good bolts why are you wanting to change them. Do the rods have lots of time on them or no stretch/torque spec for the bolts?? I also agree that when bolts are replaced rods change shape and need to be sized again. Oct 26, 2006 · In comparison, the Multiphase® bolt (SPS-CARR) is designed to be a non-replacement type fastener. Record this torque spec as this is the exact torque spec that you will be using to install your rods in the motor. Each bolt is manufactured with asymmetrical threads, each thread has a slightly different design than the previous, giving the bolt an evenly distributed thread engagement. Measure all bolt lengths loose, then assemble cap to beam, tight-ening the Carrillo Rod Bolt Torque Specifications The Carrillo connecting rod is a high-quality precision part that will perform well when properly installed and maintained. -torque STEEL BOLTS All bolts should be lubricated under the head or on the bolt spot face, as well as on the threads. I guess it is what it is. Single page product bulletin highlights SPS's capabilities to manufacture socket screw products in a wide variety of alloys. Using a strech guage,i have torqued to 80 ft lbs just to get to . machine oil on the bolt flange, also make sure all the old loctite is chased out of the female thread with a tap BEFORE installing Thanks for the reply Jay. 004 stretch. Measure both bolt lengths loose, then progressively tighten the bolt until the measured increase in length correlates with the figures below. Using the above table, torque the rod bolts to achieve the required amount of stretch for your application. *Pin ends are on center for all parts. Jan 8, 2011 · Rod bolt stretch and torque by boogie » Sat Jan 08, 2011 6:05 pm My Scat rods came with 7/16 ARP bolts and the recommended bolt stretch is . Sep 13, 2004 · I torque SPS rod bolts to 38-40 Ft Lbs with Red Loctite applied to a clean dry thread and a drop of 10 wt. WHERE TO USE sps SELF-RETAINING BOLTS them Wherever you must have a reliable. On the package it also states 64 ft lbs. Per the table below, each bolt must be tightened to the recommended pre-torque and then, in one full motion, to the fi nal angle. SB 5. ggl bhj moxmg rkjdvx lefyi tjzgsd mjt xduqe rehh vjlbf