[Ducati] Which 900 engines had the bad studs

[Rich Roberts]

Uh okay...what does that mean, fastener is designed to stretch to give you the torque? Interesting, since threads are a big part of that torque as well as the amount at head, the thing that always scares me about such things is exactly how do you standardize the procedure of torquing, how much lube on threads, what kind of lube etc etc. As we all know lubrication changes things in a big way. Use too much or the wrong kind and torquing becomes an exercise in futility until that waisted section breaks. Do you work in the aviation mechanics field? Where do you see such fasteners routinely?

frugalyankee-cycles at yahoo.com wrote:  Some of the 'waisted' fasteners I've worked with over the years are the 'stretch' type (torque to yield).....

Brad
CT.
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