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©2007 Publications International, Ltd. Pontiac revolutionized the automotive world by introducing the first modern muscle car, fitting a powerful V-8 engine into the midsize Tempest/LeMans frame. Available as a convertible, hardtop, or pillared coupe, this iconic model set the standard. Explore more images of classic muscle cars.The 1964 Pontiac Tempest GTO marked the explosive beginning of the modern muscle car era. It pioneered the concept of a midsize vehicle equipped with a high-performance V-8 engine, marketed as a complete high-performance package, embodying the true essence of what a muscle car represents.
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To bring the GTO to life, Pontiac cleverly bypassed GM's restriction on intermediate-sized cars using engines larger than 330 cid. By including the 389-cid V-8 as part of a $296 optional package for the Tempest, Pontiac avoided corporate approval. The name Gran Turismo Omologato, borrowed from the Ferrari GTO, translates to a production grand touring car approved for racing.
Pontiac initially aimed to sell 5,000 units of the '64 GTO but exceeded expectations by selling 32,450. Known fondly as the Goat, it quickly gained a devoted fanbase and forced competitors to develop their own high-performance models.
©2007 Publications International, Ltd. The GTO's 389-cid engine featured either a four-barrel carburetor or an impressive triple two-barrel configuration.To craft an engine befitting its legacy, Pontiac enhanced the 389 with a high-lift cam and high-output cylinder heads from the 421-cid V-8. The standard Carter four-barrel setup delivered 325 bhp, while the optional Tri-Power system, featuring three Rochester two-barrel carburetors, boosted output to 348 bhp. Both versions maintained 10.75:1 compression and 428 lb-ft of torque. Drivers could choose between a standard three-speed manual, an optional four-speed with Hurst linkages, or a two-speed automatic.
The GTO came equipped with a robust front sway bar, heavy-duty shocks, reinforced springs, and 14-inch high-speed tires. For an additional $75, the "roadability group" offered sintered metallic brake linings and a limited-slip differential. The sporty interior featured bucket seats and an engine-turned aluminum dashboard trim.
©2007 Publications International, Ltd. Bucket seats were a standard feature in the Tempest GTO. Optional upgrades included a woodgrain steering wheel, a center console, a Hurst-shifted four-speed manual transmission, and simulated wire wheel covers.GTO models equipped with a four-barrel carburetor typically achieved 0-60 mph in approximately 7.5 seconds and completed the quarter-mile in 15.7 seconds at 92 mph. The Tri-Power versions were notably faster, further enhancing the car's legendary reputation.
Return to the Classic Muscle Cars Library.
- Pontiac revolutionized the muscle car scene with a brilliant marketing strategy. Explore profiles, photos, and detailed specifications of Pontiac muscle cars.
- Muscle cars were diverse in design and performance. Discover features on over 100 muscle cars, complete with photos and specifications for each model.
- Muscle cars developed a unique cultural impact. Dive deeper into their history by reading How Muscle Cars Work.
These profiles of muscle cars provide photos and detailed specifications for each featured model:
- The 1969 Mercury Cougar Eliminator emerged from the Mustang's shadow with its bold stripes and spoiler.
- Make way for the iconic 1970 Plymouth Road Runner Hemi, one of the most formidable muscle cars ever built.
- The 1970 Pontiac Firebird Trans Am blended sports-car agility with raw muscle car power.
- The rare and powerful 1969 Chevrolet Camaro ZL1 featured an all-aluminum, race-tested V-8 engine.
For additional details on cars, explore these related articles:
- The engine is the heart of a muscle car, defining its bold character. To understand everything about car engines, check out How Car Engines Work.
- Horsepower is the lifeblood of muscle cars, but what does it really mean? Find out in How Horsepower Works.
- NASCAR race cars exemplify the muscle car ethos of raw power. Discover what drives these high-performance machines in How NASCAR Race Cars Work.
- Considering purchasing a 2007 muscle car or another vehicle? Visit Consumer Guide Automotive for New-Car Reviews, Prices, and Information.
Specifications
Wheelbase, inches: 115.0
Weight, lbs: 3470
Number built: 32,450
Base price: $2,852
Top Available Engine
Type: ohv V-8
Displacement, cid: 389
Fuel system: 3 x 2bbl.
Compression ratio: 10.75:1
Horsepower @ rpm: 348 @ 4900
Torque @ rpm: 428 @ 3600
Representative Performance
0-60 mph, sec: 6.6
1/4 mile, sec. @ mph: 14.8 @ 95
