Quote:
Originally posted by 1FaastC10
very little if any. all overboring does is square up t he bore. if the block will clean up at .040, go that route, that way if you ever have to/need to rebuild it again, you've got plenty of room.
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Agreed 100%
The only time you overbore is to get the bores cleaned up or you have a massively powerfull motor and need the extra clearence for bigger valves.
Go .040, you'll still enjoy it 
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