I believe only the '83 models exported to the east coast have black underseal. Those that went to the west (with similar production dates) don't seem to have it. This implies that it was done in the US and not in NI. Stuart vin 16686 (with black underseal) --- In dmcnews@xxxxxxxxxxxxxxx, "simonsays10002003" <simonsays10002003@xxxx> wrote: > hi i have been looking at buying an 1983 delorean and have seen a > couple now the one thing iv noticed is that the late cars seem to > have a thin black underseal where as the early cars al most never do > there still the gray por15 coating.is this just coincidence or were > the later deloreans undersealed?