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Bob Prichard's 1971 Pontiac Trans Am - Big Bad 'Bird

By: David Featherstone, Miles Cook, Photography by David Featherstone
Bob Prichards 1971 Pontiac Trans Am Front View

Pontiac played real hardball for many years with its high-performance cars. Ab Jenkins set a new 24-hour endurance record at Bonneville in 1956 with an average speed of 118.37 mph, while in 1957 Pontiac was the NASCAR Grand National champion.

The early '60s brought Royal Pontiac to the light as they dominated the Super Stock racing seasons. The winning trend continued in the '60s golden years as Pontiac headed the musclecar pack with the GTO, Firebird, Trans Am, and Judge.

Herb Adams' work at Pontiac played a major role in the development of the best musclecars the GM division ever built. Adams was a key influence for programs like the '69 Trans Am, the Judge evolution, and the 455 HO motor-all knock-down punchy street beasts of the first order.

Bob Prichard's '71 Trans Am is a fine example of the last of the choice crop of PMD musclecars to roll off assembly lines. In 1969, Pontiac had a 400-cube limit on intermediate-size cars, and even though the limit was lifted by 1971, Pontiac was having to slow down street performance just like all the other car makers. Still, Adams and the other resident horsepower freaks at PMD engineering built a motor that had plenty of punch in the form of the 455 HO. Even with 8.4:1 compression, it still cranked out about 335 gross horsepower.

Bob found this TA in San Jose, California, after it had been stolen, stripped, recovered, sold, repaired, and crashed. Surprisingly, the car was still in basically sound condition. Scouring for parts at swap meets, boneyards, Pontiac parts houses, and resto suppliers, the car now looks cool, runs 13-second quarter-mile times, and Bob drives it on weekends, enjoying life with one of the era's great musclecars.

  • Bob Prichards 1971 Pontiac Trans Am Front View
    Color availability on '71 TAs included Lucerne Blue with a white stripe. This car is liveried in the more common Cameo White with a blue stripe. Low-tech wheels and tires included 15x7 Pontiac Rallys and Goodyear F60-15 Polyglas skins.
    Bob Prichards 1971 Pontiac Trans Am Front View
    Color availability on '71 TAs included Lucerne Blue with a white stripe. This car is liver
  • Bob Prichards 1971 Pontiac Trans Am Stock Interior
    Most TAs had blue or black interiors. This car has the more scarce Sandalwood, consisting of five shades of beige including the carpet. Factory dye color charts don't say where the colors go, and only after extensive research and trial and error was Bob able to get the colors right. The factory shifter connects to an optional TH400 trans. The standard tranny was an M21 four-speed manual.
    Bob Prichards 1971 Pontiac Trans Am Stock Interior
    Most TAs had blue or black interiors. This car has the more scarce Sandalwood, consisting
  • Bob Prichards 1971 Pontiac Trans Am LS1 455 HO
    Available on '71-'72 TAs was the LS1 455 HO. It was rated at 335hp gross and 305hp net with a stout 480 lb-ft of torque on hand at 3,600 rpm. It used the same heads, 2.11/1.77 valve sizes, and cam as the 70 1/2 Ram Air IV 400. If you're really Jonesin' for more Firebird info, check out "Fire Breathers" in the May '97 CC.
    Bob Prichards 1971 Pontiac Trans Am LS1 455 HO
    Available on '71-'72 TAs was the LS1 455 HO. It was rated at 335hp gross and 305hp net wit
By David Featherstone, Miles Cook
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