Think really hard about what the guy told you concerning the clearances. If there is only supposed to be .007 clearance between the piston and bore but right now there is .020. I know I'm not the greatest at math but to me this means that the cylinder is already .013 oversized for the piston. In other words it's already at a standard .010 over and then some. I can't believe any reputible machinist would even begin to recommend not boring the block to the next standard oversize.
In a worst case scenerio, do or die, your life relied on getting the engine back going, type of situation, I'd at a minimum pressure hone the block to insure the bores were round and then put at least .010 over sized pistons and rings in it. Doing it like this the bore would then be somewhere around .005, or slightly more, too large but even at that it would be alot better than what you've got now at .013 over.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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