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This SOHC variant of the Quad 4 was intended to replace the Pontiac 2.5 L Tech IV OHV "Iron Duke" engine. Debuting in 1992 and called the Quad OHC, this eight-valve engine produced 120 hp (89 kW), 40 hp (30 kW) less than the Quad 4s of the same era. Torque was 140 lb⋅ft (190 N⋅m). Power dropped to 115 hp (86 kW) in 1993 with an attempt by ...
The Grand Prix was an all-new model for Pontiac in the 1962 model year as a performance-oriented personal luxury car. [3] Based on the Pontiac Catalina two-door hardtop, Pontiac included unique interior trim with bucket seats and a center console in the front to make the new model a lower-priced entry in the growing personal-luxury segment. [3]
1985 Pontiac Grand Am coupe 1988 Pontiac Grand Am sedan 1991 Pontiac Grand Am sedan. 1987 models brought more power to the base engine, and a new Turbocharged four-cylinder engine taken from the Sunbird GT. The 2.0 L turbo engine became the base engine for the SE model for 1987. Cars with the turbo engine received a turbo boost gauge in the ...
However, the engine used in these Trans Ams was the same regular production 455 taken from the big body cars Pontiac was producing, and output 200 HP with a torque rating of 330 lb⋅ft at 2,000 rpm. [17] The 455 HO package was only available to late model year Pontiac Firebird Trans Am's, and was mandatory with a 4-speed transmission.
Catalina was also 7 in (178 mm) shorter than Bonneville and Star Chief and weighed 100–200 lb (45–91 kg) less than its long-wheelbase counterparts. All 1959 Pontiacs were equipped with a 389 cu in (6.4 L) V8 engine with horsepower ratings from 215 hp (160 kW; 218 PS) to a 345 hp (257 kW; 350 PS) "Tri-power" carbureted version.
The 455, a long-stroke engine also available in the full-size Pontiac line as well as the Grand Prix, was dubiously rated by Pontiac at 360 hp (270 kW), only moderately stronger than the base 350 hp (260 kW) 400 cu in (6.6 L) and less powerful than the 366 hp (273 kW) "Ram Air". The Pontiac brochure indicated the same 455 installed in the Grand ...
In contrast to the 235 hp (175 kW) turbocharged 2.9 L V6 engine of the 1986 Trans Sport concept, the production Trans Sport was fitted with a naturally-aspirated 3.1 L V6 producing 120 hp (89 kW), shared with the 6000 and Grand Prix; a three-speed automatic was the sole transmission offered.
The Iron Duke engine (also called 151, 2500, Pontiac 2.5, and Tech IV) is a 151 cu in (2.5 L) straight-4 piston engine built by the Pontiac Motor Division of General Motors from 1977 until 1993. Originally developed as Pontiac's new economy car engine, it was used in a wide variety of vehicles across GM's lineup in the 1980s as well as supplied ...