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flatjack9 · 07-04-2010, 10:18 PM

I cut an 8BA apart and the cylinder wall measured .320 on one side and .230 on the other. You can see the amount of core shift, but even so I would be comfortable boring beyond .060. On the thin side the wall would still be .200. A lot depends also on how much rusting has occured in the water jackets.

07-04-2010, 10:18 PM	#28
flatjack9 Senior Member Join Date: May 2010 Location: Oshkosh, Wi Posts: 4,608	Re: New to the hobby, first Engine I cut an 8BA apart and the cylinder wall measured .320 on one side and .230 on the other. You can see the amount of core shift, but even so I would be comfortable boring beyond .060. On the thin side the wall would still be .200. A lot depends also on how much rusting has occured in the water jackets.