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1968 Plymouth GTX Although there had been numerous performance Plymouths, it wasn't until 1967 that Plymouth offered one model with all the necessary performance goodies standard, the 1967 Plymouth Belvedere GTX. In 1968, the GTX was moved upscale with the addition of the budget Plymouth Road Runner. Both shared the same redesigned Belvedere platform. Styling changes included a new hood design with different non-functional hood vents, a new grille, and revised taillights. In keeping with its upscale image, the GTX was available as either a two door hardtop or convertible, whereas the Road Runner was only available as a pillared coupe. The Road Runner came with a strengthened 383 cid V8 as standard, while the GTX came with the 440 V8 standard. Both had the mighty 426 Hemi as the only engine option. Both cars had similar suspension upgrades, and wide-oval tires; front disc brakes and a limited slip differential were options on both. Non-functional hood vents were common to both. Instead of the plain exterior of the Road Runner, the GTX looked upscale with standard chrome wheel-lip moldings, tailpanel brightwork, and double side stripes. Inside, whereas the Road Runner had a fleet-grade interior, the GTX came with the well-appointed Sport Satellite cabin featuring shiny details and fake woodgrain. These differences were reflected in the base prices, $3,034 for the Road Runner pillared coupe and $3,355 for the GTX hardtop. Serious racers loved the Hemi, but only 450 GTXs were ordered with the $564 option. The 440 was easier to tune, and churned out a surplus of low-end torque, which was more useable on the street, than the rev-happy Hemi. Deficiencies mirrored those of the Road Runner and most muscle car intermediates; a stiff ride, over assisted power steering, and unsure handling on rough roads. But overall, the GTX was a true gentleman's super car. Engines: 426 Hemi V8 425bhp@5000rpm, 490lb-ft@4000rpm. 440 V8 375bhp@4600rpm, 480lb-ft@3200rpm. Performance: 426/425bhp: 1/4 mile in low 13s. 440/375bhp: 0-60 in 6.6 sec, 1/4 mile in 15.2 sec @ 97mph |
