Upscale Muscle Car Project: 1970 Plymouth GTX

The GTX debuted in 1967 as an upscale muscle car based on the mid-size Plymouth Belvedere. It beat the Road Runner to market by a year but was outsold by the latter because of its appeal to a more budget-minded audience. This 1970 GTX wears older paint and needs some TLC, but the 440 V8 engine is “fresh” and hauls the mail with a 4-speed manual. Found in Del Rio, Texas, the opening bid of $29,900 here on eBay has yet to be cast.

With its higher level of creature comforts in a car that was built to go fast, Plymouth cranked out 7,748 copies of the GTX for 1970. Of those, 1,471 had the 440/4-speed combination like this auto. However, at least parts of the engine aren’t original, replaced while under warranty. We’re told that mechanically, the car is sound, but some wiring and instrumentation work may be in order given the list of things the seller said he had been planning to do. Other items will also need attention, like the heater and the pistol grip shifter (sometimes sticks coming out of reverse). The A33 code the seller references applies to the Track Pak package. Verified by the cowl tag, that option included a 3.54 ratio in a 9 ¾ Dana axle with Sure Grip, a seven-blade torque drive fan, 26″ radiator with shroud, and the Hemi Suspension Handling Package.

This GTX had some earlier bodywork done and was repainted in the 1990s, but it’s now showing its age with some paint bubbling along the bottom of the quarter skirts. The seller was going to replace the floor and trunk pans, so there are no doubt issues there (the removal of the trunk mat revealed some patches). The Plymouth wears Deep Burnt Orange paint, a factory color, and the interior has been redone recently and looks good except that the headliner is missing.

Cragar wheels can be found on all four corners and the tires are newer with plenty of meat left on them. The seller has done some research on resale value and provides data that suggests a GTX like this could range from $25,000 to $92,000 depending on condition and equipment, with the average being $61,000. This car is going to need a lot of work to command mid-five figures, so a single bid of less than $30,000 might be able to take this car home.


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  1. 370zpp 370zpp Member

    “the pistol grip shifter (sometimes sticks coming out of reverse).”

    Now that could be downright embarrassing.

    Like 7
  2. Bick Banter

    Sub 30k and no bids with only 2 days to go? Interesting.

    Like 7
  3. Big Bear

    Didn’t see any dash or interior pictures. This needs more than TLC! Some real big money to get this right to make money on your return. The truck picture I thought someone throw up in it!! The rear spoiler looking like a smile. Ever try to get the original harness on a Mopar? I do and it’s a lot of work a lot of money! God’s knows what surprise lurks underneath! Good luck! 🐻🇺🇸

    Like 7
    • Melton Mooney

      Scroll down farther in the listing for interior pics.

  4. joenywf64
    has me wondering if Plymouth considered hidden headlites for the GTX & Road Runner!
    I would think those front bumper guards are quite rare, & i would have sooner ordered the so kewl “rising up from the hood” scoop before or instead of any of superfluous options on this car.

    Like 3
  5. George Mattar

    Invest that $30,000 in Marvel Technology stock and make money without lifting a finger. This car looks like it sat next to the Titantic.

    Like 3
  6. Mark396

    That was about the best looking Plymouth of the bunch.

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