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Posted by Bruce in BC [24.207.103.103] on Wednesday, October 19, 2011 at 11:22:55 :
In Reply to: Engine post-mortem posted by D Sherman [72.47.9.228] on Tuesday, October 18, 2011 at 21:59:42 :
Common cause is that the engine has been revved a bit higher than normal . The rods stretch a bit more than normal and the ring hits this little lip in the bore and breaks . Crud behind the ring will keep it from moving back into the piston groove and this can aid breakage too . Running hotter than normal can cause the top ring to break as well . Think expansion and length .
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