Quote:
Originally Posted by katy
Does the Ares tool damage the threads where it grips them? How long does the stud part that goes into the extractor have to be?
I'm thinking about if one was to try and remove the head studs w/the head still on the block.
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If the head were on the block I believe the tool would "imprint" the threads. I had a couple that did that during my descriptive earlier, before I learned that the tool is best started "touching" the block which makes the imprint occur "below" the threaded portion.
The imprint probably will not affect the thread strength. It might be cleaned off with a thread file or possibly a die - although I would wish not to use a die as the threads are "rolled" into the stud - as most high strength fasteners are formed. Use of a die kind of "undoes" the advantage of rolled threads.
I recently bought a "thread reformer" for doing rear axle threads, another rolled thread. I believe it starts size-wise at 7/16" and increases in steps. This tool I would use.
Joe K