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On 21 Jun 2001, at 20:04, Barry Viss wrote: > But if I don't tighten them down with the locktite on them right > away...when I torque the heads they will want to go in more, correct? > If the "head end" of the stud is at 23 ft lb then the "case end" must > be in the case at at least 23 ft lb right? Or perhaps ...(thinking)... > there is no torquing force at the other end of the stud, only pulling, > but surely the nuts on the heads apply some twisting force when they > get tight....hmmm... You're right, that there will be some twist applied to that end, but it's not important. The studs usually go in to the bottom of the case savers and just stop. The purpose of torquing a bolt is to bring the axial force on it up to some point. Torquing the head nuts applies this same force to the whole assembly: nut, stud, case saver, case. If you didn't have case savers and you engaged the stud only half way into the case then you would have a problem with insufficient thread engagement in the soft case, but with the steel case savers the thread strength between stud and case saver is much more than it needs to be and there's no problem. Of course it is still important that the case savers be fully engaged in the case, but this has already been done for you and you don't need to worry about that. > > For 10mm studs I keep to the upper end of the factory torque, > > maybe +1 or 2 lb-ft with case savers. If you are now using 8mm > > studs, keep in mind that the torque spec is DIFFERENT! > They are the original studs and they are 10mm (measured around the > outside of the threads, correct?) Right. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/