1970 Dodge Challenger T/A
The Dodge Challenger made its debut in the fall of 1969 as a 1970 model. While it shared Chrysler’s “E-body” short-deck, long-hood platform with the third-generation Plymouth Barracuda, Dodge Challenger’s wheelbase was two inches longer, creating more interior space.
The Dodge Challenger was originally offered as either a two-door hardtop or convertible, in base, SE (Special Edition), R/T (Road/Track) and T/A (Trans Am) trim. But it was the range of powertrain choices that was truly remarkable.
Befitting the brand’s performance heritage, the Dodge Challenger went racing in its first year. For the street, it was offered in the limited-edition T/A model to meet homologation requirements for Sports Car Club of America (SCCA) Trans Am racing. The T/A was one of the first production vehicles to offer different size tires, front and back; E60 x 15 in the front, G60 x 15 in the rear.
In 1970, Sam Posey drove the lone Trans Am racing Challenger, prepared and run by Ray Caldwell’s Autodynamics Race Shop. While he didn’t win a race in the No. 77 car, Posey finished fourth overall in points.
Story by Chrysler LCC
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In Detail
| submitted by | Richard Owen |
| production | 2539 |
| price | $4,480 USD |
| engine | 90 Degree Hemi V8 |
| position | Front Longitudinal |
| aspiration | Natural |
| valvetrain | Pushrod OHV, 2 Valves per Cyl |
| fuel feed | Six Pak, Tripple 3 Holley Carburettors |
| displacement | 5572 cc / 340 cu in |
| bore | 102.6 mm / 4.04 in |
| stroke | 84.1 mm / 3.31 in |
| compression | 10.5:1 |
| power | 261.0 kw / 350 bhp |
| specific output | 52.05 bhp per litre |
| bhp/weight | 168.21 bhp per tonne |
| torque | 468 nm / 345.2 ft lbs @ 3400 rpm |
| body / frame | Unit Steel |
| driven wheels | Front Engine / RWd |
| front tires | E60x15 |
| rear tires | E60x15 |
| front brakes | Vented Discs |
| rear brakes | Drums |
| r brake size | 254 mm / 10.0 in |
| front wheels | F 38.1 x 17.8 cm / 15.0 x 7.0 in |
| rear wheels | R 38.1 x 17.8 cm / 15.0 x 7.0 in |
| steering | Manual or Power Steering |
| f suspension | Wishbones w/Shock Absobers, Torsion Bars |
| r suspension | Live Axle w/Semi Elliptic Leaf Springs, Sway Bar, Telescopic Shock Absorbers |
| weight | 1724 kg / 3801 lbs |
| wheelbase | 2794 mm / 110.0 in |
| length | 4860 mm / 191.3 in |
| width | 1933 mm / 76.1 in |
| height | 1285 mm / 50.6 in |
| transmission | TorqueFlite Automatic or 4-Speed Manual w/Hurst-Shifter |
| gear ratios | :1 |
| final drive | 3.54:1 |
| top speed | 235.0 kph / 146.0 mph |
| 0 - 60 mph | 5.9 seconds |
| 0 - 1/4 mile | 14.5 seconds |
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