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1970-1971 Plymouth Hemi ‘Cuda

The 1970-1971 Plymouth Hemi ‘Cuda is the star of this edition of Muscle Car Milestones. For 1970, the ‘Cuda was all-new. The ‘Cuda’s pretty boy looks and fastback styling from the 1960s were now gone. In its place was a combatant with a more aggressive design and features, ready to take on what the Camaro SS 396 and Mustang Boss 429 could dish out. The 1970-1971 Hemi ‘Cuda was also no longer overshadowed by its crosstown rivals. Its time was now and it was out to make a name for itself.

“It was love at first blast when our ex-funny car digger turned up the Stereo, buried his Size 12 in the water pump and blew the 440 Six-Pack’s doors back to Hamtramck.” Cars Magazine staff, May 1970.

The new Hemi ‘Cuda was no shrinking violet. The third generation car finally shed its Valiant heritage and featured a fresh, new design courtesy of Chrysler stylist John Herlitz. This new Hemi ‘Cuda featured a long, low-slung hood and a short rear deck. Other exterior features include F60x15 white-letter tires, flat black rear deck, and twin high-intensity road lamps below the bumper. And check out that Shaker hood scoop. It was humorously called the Incredible Quivering Exposed Cold Air Grabber in the 1970 Plymouth Barracuda brochure.

1970 Plymouth Cuda Hemi LOV #1

Buyers had a wide range of V8 engines to choose for their ‘Cuda. However, those serious about performance chose either the 440 Six Pack or the behemoth 426 Hemi. The Hemi packed quite a wallop. Underneath that shaker hood scoop lurked a massive, dual-carbed V8 with 425 horsepower and 490 foot-pounds of torque. Those who opted for all this power knew those numbers came at a price. Checking off option code E74 on the order form tacked on a whopping $871.45 to the price of the ‘Cuda. In today’s dollars, that equivalent to $5,345! In contrast, the 440 Six Pack only cost $250. Buyers could choose between a three-speed TorqueFlite automatic or four-speed manual transmission for their Hemi ‘Cuda.

1970 Plymouth Cuda Hemi LOV #4

Word is, the 440 Six Pack could hold its own against the Hemi…up to a point. The 440 Six Pack could hang with the Hemi on the drag strip up to around 70 mph. From there, the showdown was over and all the 440 Six Pack could see was the Hemi ‘Cuda’s taillights. Paying the extra dough for the Hemi may have put a huge dent in the driver’s wallet but it also bought a lot of respect from the bowtie and blue oval crowd.

1970 Plymouth Cuda Hemi LOV #2

Motor Trend flogged a Hemi ‘Cuda for their May 1970 issue. They walked away with a 0 to 60 time of 5.8 seconds and ran the quarter mile in 14 seconds at 102 mph. That’s quite a bit faster than the Camaro SS 396 which could go from 0 to 60 in 6.8 seconds and sprint the quarter in 14.77 seconds at 98.72 mph.

Very few 1970 Hemi ‘Cudas rolled off the Hamtramck assembly line. Only 652 hardtops and 14 convertibles were produced which practically made these instant classics.

1971 Plymouth Cuda Hemi LOV #2

1971 saw a few changes for the Hemi ‘Cuda. The front end got a makeover consisting of four headlamps and a six-opening grille. The front fenders grew air extractors and the rear taillights were restyled with separate brake, turn signal, and backup lights.

1971 Plymouth Cuda Hemi LOV

Even with a slightly lower 10.2:1 compression ratio, the Hemi ‘Cuda was still a strong performer. It was still rated at 425 horsepower with 490 foot-pounds of tire-shredding torque. And just like last year, it could sprint from 0 to 60 in 5.8 seconds and finish the quarter mile in 14 seconds. And in case you’re keeping score, that’s 1.3 seconds faster from 0 to 60 and 0.9 seconds quicker in the quarter than the 1971 Mustang Mach 1 SCJ.

1971 Plymouth Cuda Hemi WAC #1

1971 saw even fewer Hemi ‘Cudas roll off the line. Only 108 hardtops and seven convertibles left the factory that year. This year was also the Hemi ‘Cuda’s swan song. With rising insurance rates and Uncle Sam’s tightening emissions stranglehold, the Hemi ‘Cuda’s time was growing short.

1971 Plymouth Cuda Hemi LOV #3

Hemi ‘Cuda prices, particularly convertibles, have skyrocketed in the last few years. At Mecum’s 2015 Monterey auction, ‘Cuda designer John Herlitz’s 1970 executive demonstrator convertible hammered for $2,250,000. In June 2014, a purple 1971 Hemi ‘Cuda convertible crossed the auction block for a cool 3.5 million at Mecum’s 2014 Seattle auction. To date, this is the highest amount ever paid at auction for a Mopar muscle car from the classic era. Also, an unrestored 1970 Hemi ‘Cuda hardtop brought $950,000 at Mecum’s 2016 Kissimmee auction.

The Hemi ‘Cuda was a big fish in a small pond. It never reached lofty sales numbers like the Camaro or Mustang, but it’s still just as legendary. And just like its underwater counterpart, the Hemi ‘Cuda is a ferocious predator with a manic attitude when confronted by a vicious aggressor. With this in mind, it may be best to stay away if you encounter one at a stoplight or see one approaching in your rear view mirror. The results could be lethal.

1970 Plymouth Hemi ‘Cuda Specifications, Cars Magazine, May 1970

Type: OHV V8
Displacement: 426 cubic-inches
Compression ratio: 10.25:1
Carburetion: Dual Carter AFB quads
Camshaft: Hydraulic: 292 degrees/292 degrees
Horsepower: 425 @ 5,000 rpm
Torque: 490 lb-ft @ 4,000 rpm
Exhaust: Headers, dual pipes
Ignition: Dual points

Type: 3-speed TorqueFlite, four-speed manual

Rear End
Type: Sure-grip
Ratio: 4.10:1

Front: 11.30-inch power assisted discs
Rear: 10.0-inch power assisted drums

Front: Independent, HD torsion bars, HD shocks, sway bar
Rear: HD multi-leaf springs, shocks
Steering: Power-assisted
Overall ratio: 18.8:1

Weight: 3,975 pounds
Wheelbase: 108 inches
Overall length: 191.3 inches
Tires: Goodyear Polyglas GT

0 to 60: 5.6 seconds
Quarter mile: 13.45 seconds @ 105 mph
Top speed: 115 mph (estimated)
Fuel Consumption: 5/10 mpg

3 Comments on 1970-1971 Plymouth Hemi ‘Cuda

  1. Dean Lambert // July 26, 2021 at 4:24 pm // Reply

    I’m reading that the ’70 Hemi Cuda’s top speed was 117mph. BS!!! I owned one in 1970, new from the factory(yes, wish I still had it) and I had mine over 150 racing a 440 RoadRunner outside of Minneapolis on Interstate 35w. 4th gear, 8 grand tach pegged, and when I let off the gas, I looked down and it was passing back past 145mph. Mine was yellow, black vinyl top, pistol grip 4-sp and 410 rear end. It had headers and the hydraulic lifters had been replaced with solid lifters. I was turning bottom 12’s at Minnesota Dragways at 111 mph in the quarter……..




    • I ordered mine in early 1970. Lemon Twist with black vinyl top, 410 rear end gears; pistol grip 4sp; Had it built without power steering for the drag strip. The dealership put headers on it, pulled the hydraulic lifters and installed solids, and curved the distributor. It took five months to arrive from the time I ordered it. I drove it everyday for a little over a year when I traded it for a ’66 Vette and cash. Would love to have either of those cars back, especially the Cuda as to what they’re worth now. Currently I have 3 Corvettes. A 2000 millenium yellow and a 2002 electron blue convertibles and a 2020 arctic white Z51 Stingray.


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