The Plymouth GTX was first released in 1967, and it offered one of two engine options - a 440cid big block and a 426 HEMI. The GTX was a spinoff of the Plymouth Belvedere, but that's where the ...
The Plymouth GTX was a decent seller in 1969, with around 15,000 units delivered, but only 209 were equipped with the 426 ...
Unfortunately for the GTX lineup, the introduction of a Road Runner convertible wasn’t necessarily good news for the model year 1969. Originally supposed to be marketed as an upgraded Plymouth Road ...