The pinnacle of old technic: the Space Shuttle 8480. This set is one of the highest quality old ones I ever got my hands on, and complete as complete can be. :
Technicopedia: 8480
Lego Technic #8480 | Lego Technic Model #8480 - Space Shuttl… | Flickr
Technicopedia: 8480
LEGO Technic 8480 Space Shuttle – LEGEND OF LEGO TECHNIC - YouTube
LEGO MOC Submarine - Again 8480 model B by msk6003 | Rebrickable - Build with LEGO
LEGO 8480 Space Shuttle Set Parts Inventory and Instructions - LEGO Reference Guide
Super Car Block | Car Model | Car Toys | Technic/electronic Blocks - Super 18k K157 - Aliexpress