Thanks for the replies:
The 3 that run on dino are:
93 Aerostar 136,000 miles 3.0L OCI 3,000 mi mixed driving.
95 Caprice 50,000 miles 4.3L V8 OIC 3,000 mi mixed driving.
96 Blazer K5 85,000 miles 4.3L V6 OIC 2,000 mi stop and go.
All run great and are well maintained.