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The Pontiac GTO is a front-engine, rear-drive, two-door and four-passenger automobile manufactured and marketed by the Pontiac division of General Motors over four generations from 1963 until 1974 in the United States — with a fifth generation made by GM's Australian subsidiary, Holden, for the 2004 through 2006 model years.
Pontiac GTO, 2004 only; Saab 9-7X, 2005–2009; Isuzu Ascender, 2003–2008; 4L65E. An updated 4L60E, the 4L65E (RPO M32), was phased in the 2001 model year when ...
Chevrolet Performance released the 454 again in 2011 as a small-block crate engine dubbed the LSX454R officially rated at 776 horsepower at 7,000 rpm and 649 lb-ft of torque at 5,100 rpm. The LSX454R was discontinued in July 2018 and was recorded as one of the more powerful LS crate engines to be assembled from Chevy Performance.
This was so named because it began with Chevrolet's V8 engines. Chevrolet big-block V8s; Chevrolet small-block V8s; GM Vortec 4300 90° V6; GM Iron Duke RWD inline 4 (early RWD Variants, later versions may use a FWD pattern, and have two possible starter locations)
In spite of a GM unwritten edict against engines larger than 330 cu in (5.4 L) in intermediate cars, DeLorean (with support from Jim Wangers from Pontiac's ad agency), came up with the idea to offer the GTO as an option package that included a 389 cu in (6.4 L) engine rated at 325 or 348 hp (242 or 260 kW; 330 or 353 PS).
The four-barrel 400 was a popular performance option for many of Pontiac's cars. When fitted with other high-airflow components, it produced a good balance of low-end torque and higher-RPM power. In the 1968 Pontiac GTO it was given a 10.75:1 compression ratio and tuned to deliver 360 horsepower and 445 foot-pounds of torque. [5]
In 1974, the Pontiac GTO name moved to the Ventura from the intermediate LeMans line. The GTO package gave the basic Ventura a 350 cu in. (5.7L) engine with a four-barrel carburetor of about 200 hp (149 kW). The package also came with a functional "shaker" hood scoop, tri-color GTO decals, Rally II wheels, and special grill-mounted driving lights.
They used Pontiac's 347-cubic-inch (5.7 L) in 1957. For 1958, GMC reduced the bore of Pontiac's 370-cubic-inch (6.1 L) to 3.875 in (98.4 mm), resulting in a displacement of 336-cubic-inch (5.5 L). (In Canada, however, GMC used the Chevrolet small-block engine rather than the Pontiac.) For 1959, as the Pontiac engine's stroke was lengthened to 3 ...