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Originally Posted by carlover73
Are you serious about ordering a new block, head, pistons etc??? Or are you joking?
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depends how much damage is done.
if you've run it and it's causes a lot of wear then you'll need to replace the cam plain bearings in the head (maybe not the whole head) if the cams are worn they won't sit properly and will be worn. the valve train may be worn and might need to be replaced.
the pistons would probably be ok, but if the oil's all wrong they may be damaged from lack of oil cooling. the rings could be very worn, same for the cylinder liners/sleeves.
the crank could be badly worn where it's against the bearings, and if the bearings on the bottom end are worn through the block will need to be replaced. the big and little ends of the conrods (and the gudgeon pins too) could be badly worn, warranting replacement.
you need to test it. that's all a worse-case scenario. do tests (ie compression tests) to see if the bores or parts of the valvetrain are damaged.