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Re: Valve tappet clearancePosted by JerryCPP(WA) (PIC) on October 22, 2009 at 13:53:18 from (71.115.236.186): In Reply to: Valve tappet clearance posted by Billderr on October 20, 2009 at 19:56:59:
Those old International 6's had a problem with valve stretch. If you find you're having to adjust the valves because they are tightening up, more than likely the valve stem is stretching right where the head connects to the stem. Eventually the head will break off and you'll have a heck of a mess in that cylinder. I had a machine shop for many years, and that was a common problem on these engines. It was far more likely to be an exhaust valve.
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