Thread: How much can you bore a 300?
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Old 12-07-2009, 07:21 PM
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Originally Posted by AJHEATING
The reason I was asking was because one cylinder has a huge scratch done it and the machinist doesnt no if he can get it out at 60 over so I was wondering about 70 over and 390 piston 20 over would be the easiest way. thank you for all the information. I will just have to wait to see what he says.

If I were you, I'd pull a short block from the boneyard for about $150 and take THAT block to the machine shop before I'd put all that time and money into trash block. "Why is there never enough $/time to do a job right, but always enough to do it over again?" Find yourself a stock bore block, and go from there. Anyone agree? Pull the head first, before pulling out an engine at the junkyard, and check the top of the pistons. They will say: .020, .030, .040, .060. If they don't one of those #'s on top, then it is a stock engine.
 
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