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Some things to consider; the Bertone is a rare body style. Parts & trim will be hard to find.
Mechanical parts are shared with 700 series.
The V6 engine uses cylinder liners which must be sealed at the base and the head. If the head is removed, extra care must be taken not to disturb the liners.(slide the head sideways when removing-dont pull up).Otherwise the engine must be completely removed to reseat and reseal the liners.
The early versions of this engine -B28- had oil passages that were too small in the cylinder head, and this lead to premature cam wear.The heads must be removed to replace the cams, because they slide out of a hole in the head, and would hit the firewall. ( my brother told me you can cut holes in the firewall- WTF?)
Since I own one these dreaded PRV V6's, I recently decided to remove a valve cover and check the cams. Guess what? After 130,000 miles, I see hardly any wear. Wish I could say that about my goodwrench engine! I suppose the problem was fixed by the time my engine was made. '86
I think you can see why so much hysteria surrounds this engine, it could be very labor intensive to repair, and requires much more mechanical ability than the inline 4, turbo or not.
After '87 the engine was changed to electronic fuel injection (pre '87 was mechanical CIS-still very dependable). The cams and firing order were changed to create a smoother running engine. The distributor was moved to the front of the engine.
If this car has "a hole in the engine" I would think the block may be cracked, maybe from lack of antifreeze. If it runs it can't be a thrown rod.
The Bertones are beautiful cars, but this one could be a money pit.Be carefull!
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