awful wordy way to say 'sorry I misremembered' Denny .... the shop manual: "A UNISTEEL cab, the most durable type of automotive body structure, is used. In this UNISTEEL cab, the four major panels ..... "

Carl, you may not "recognize any difference between the two terms", but unibody is a generic term for unitary construction and UNISTEEL [all caps] is a GM marketing dept's made up word [uni meaning one] for the same old welded steel cab everyone used in the day wink

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics