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Studs And Them Snapping


hamuel

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I just got rebuilt the top end. easy enough. When i went to go torque down the base cylinder nuts turn it a a qaurter turn each(torque stats at 10 haven't got one that starts at 5) crisscross pattren one snap's Before it gets to 10ft-lb. COuld it be the studs are just weak and need replaced? or Torque wrench needs adjusted? Or is that im doing something wrong? :ph34r:

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Easy out/screw extractor will do it. Drilling into the stud while the motor is in the frame may be a pain Was the nut hard to get to come loose when taking it off? May of got stressed beyond the elastic range of the stud when taking it off then in a torsional stress but didn't break then broke when it was put under a tensile stress. I'd just change just the one that broke unless the others are starting to look coroded or threads are geting worn from taking the head on and off.

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If you have a friend with a troque wrench that he knows is acurate you could check yours against his, but most wrenches can get screwed up. A frind of mine bought a $100 wrench from sears and the mechanism for reading the torque got messed up. It still worked you just couldn't read what torque you were at and sears wouldn't do anything for him. Most places won't warentee them for more than 90 days if at all. My $15 wrench from pepboys works just fine.

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when you torqe it start with a short ratchet or choke up un the torqe wrench by a foot, and tighten by feel till they are good and tight, if theres any uneven pressure on the head the bolt you are trying to tighten will snap, follow the pattern on your stock head maybe ten times around with a short ratchet, cause the studs and bolts are soft, if the nut your tightening takes 70 pounds to snug the head flat, it will snap, you'll see the needle on your torque wrench bend way over then level out to 20, when the needle went full to the right as you tightened it with 18 inches of leverage it snapped the lug, follow the pattern even if you go around the head 20 times, youll snug the first one and the second will feel hand tight and so on......

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