Its rebirthing in a grand scale, if you have a sandman which is rusted out, and needs to have a reshell, it is just as if it has been in an accident, and needs to have a new body put on the chassis, but a chassis is the whole chassis not just the rail which the number is stamped, this needs to be addressed, and it should be classed as a mismatched chassis.. I would prefer a mismatched chassis which could have happpened when nearly new, that a welded in piece with a number on it...just my opinion anyway....

Cheers J