A lot of older cars used throttle linkages instead of throttle cables. My 1971 Datsun 240Z was one of them. Linkage systems are usually quite robust and hold up to decades of abuse. Unfortunately in the 196os and '70s, they started using plastic pieces, usually the end caps, that sometimes break down, especially when frequently adjusted. And as you can imagine, these little … [Read more...] about THROTTLE LINKAGE VS. THROTTLE CABLE