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General Car Related Discussion.To discuss anything that is related to cars and automotive technology that doesnt naturally fit into another forum catagory.
IIRC, the block is cast, the caps are made and bolted down, then the hole for the crank is machined all the way through, that way the holes are perfectly in line and any casting probs for caps are sorted.
Normal size. Usually you can just get away with machining a little metal from the caps and line honing back to standard size, not every time, but 90% of caps go on without too many dramas.