Posted by Ken(Ark) on May 04, 2013 at 05:58:49 from (173.185.122.33):
In Reply to: 8N Sleeve problem. posted by hotdawg22 on May 03, 2013 at 07:10:03:
Just speculating ,
If the bore was worn say .010 and someone honed it .005 and re rung it then it would run (poorly) . Hasting Ring manufacturer claims their rings will seal a .012 tapered bore .
The excess blow by probably overheated the sleeves allowing them to move which could have worn the block a little also .
A piston skirt and the lands between the rings are the nominal size for the piston , the top land is smaller for heat expansion . You can usually see the rings on a fresh rebuild if the piston is tdc and you look close .
I would bet the ring gap on the remaining 3 pistons is .040+
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