Search results
Results from the WOW.Com Content Network
The engine was available in all full-size Pontiacs. An HO version could be ordered in the GTO, as GM had lifted its restrictions on offering engines larger than 400 cu in (6.6 L) in mid-sized cars (resulting in the 454 (7.44) Chevrolet Chevelle, 455 (7.5) Buick Gran Sport, and 455 (7.5) Oldsmobile 442).
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) Jeep with GM Iron Duke inline 4 2.5L/151 in 3 (1980-1983).
The Chevrolet big-block engine is a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline-powered, V8 engines that was developed and have been produced by the Chevrolet Division of General Motors from the late 1950s until present. They have powered countless General Motors products, not just Chevrolets, and have been ...
1973 Chevrolet Chevelle SS and 1974-1976 Chevelle Laguna S-3 — Offered with a 350 small block or 454 big block V8 with up to 245 hp (183 kW) and mated to manual or automatic transmissions. The SS was replaced for 1974 by the Laguna Type S-3 which offered the same engine/transmission offerings as the '73 SS plus the addition of a 400 small ...
An early (1968) red-painted Rocket 455 in a Delmont 88. The 425's stroke was lengthened to 4.25 in (108 mm) to achieve 454.6 cu in (7.4 L; 7,450 cc) to create the Rocket 455 for 1968. It kept the retired 425's 4.126 in (104.8 mm) bore to produce between 275 and 400 hp (205 and 298 kW). Initially the paint was red, except for metallic blue in ...
The Pontiac brochure indicated the same 455 installed in the Grand Prix model was rated at 370 hp (280 kW). The camshafts used in the "Ram Air" 400 and the GTO 455 HO were the same. For example, manual transmission 455 HOs used the same 288/302 duration cam as the "Ram Air" 400. The 455 was rated at 360 hp (270 kW) at 4,300 rpm.
Externally, it was a rebadged Chevrolet Impala (1983-84 models (and 1982 in Canada) had the Impala rear taillight panel fitted with Pontiac-spec taillight lenses, whereas the nose was borrowed from the Chevrolet Caprice fitted with a Pontiac grille). The 1985 and 1986 models resumed use of the rear-end styling from the 1980 to 1981 Bonneville.
The Chevy-built 250 straight-six was now standard on all Le Mans and Grand Le Mans sedans and coupes along with the Le Mans Sport Coupe with V8 options including a new "Oldsmobile-built" 260 V8 and Pontiac V8s of 350 and 400 cubic inches with two- or four-barrel carburetion (400 four-barrel still standard on all Safari wagons), along with the ...