If the timing belt break while driving can the engine be repaired?
It's an interference engine, in a 1988 Nissan 300ZX (Both 2.0. Maxima or 3.0 Stanza) so major damage may (probably) has occurred. But that does not mean it can't be repaired. Just expensive.
See website for more info on potential damage to valves on this engine: http://www.xenonz31.com/timingbelt.html
Looking for a Used 300ZX in your area?
CarGurus has 129 nationwide 300ZX listings starting at $3,995.
Search Nissan 300ZX Questions
Nissan 300ZX Experts
Related Models For Sale