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The W72 engine option also saw a revision to the camshaft duration and the tuning of the Rochester Quadrajet which led to a 10% increase in horsepower from the prior year, bringing the total to 220 hp. Additionally, the earlier stronger and more durable 481988 cast block returned on the W72, denoted with a large "XX" cast protruding on the side ...
The third generation Pontiac Firebird was introduced in late 1981 by Pontiac alongside its corporate cousin, the Chevrolet Camaro for the 1982 model year. These were also the first Firebirds with factory fuel injection, four-speed automatic transmissions, five-speed manual transmissions, four-cylinder engines, 16-inch wheels, and hatchback bodies.
The extra horsepower was claimed to come from the intake ram-air effect available in the SS and WS6 models. In Australia, continuous modifications were made to the LS1 engine throughout its lifetime, reaching 382 hp/376 ft-lb in the HSV's VYII series, and a Callaway modified version named "C4B" was fitted to HSV GTS models producing 400 bhp ...
Car and Driver magazine named the Trans Am with the WS6 performance package the best handling car of 1979. During period dyno testing, the National Hot Rod Association rated the limited-availability T/A 6.6 high-output Pontiac 400 engine at 260–280 net horsepower, which was significantly higher than Pontiac's conservative rating of 220 hp.
In 1985, this engine was optional only in the Camaro Z28, IROC-Z and Trans Am equipped with the WS6 performance suspension. The LB9 was also available in the '87-92 GTA and Firebird Formula. 215 hp (160 kW) and 275 lb⋅ft (373 N⋅m) and varied between 190–230 hp (142–172 kW) (with 275–300 lb⋅ft (373–407 N⋅m) of torque) over the ...
Pontiac began work on a V8 configuration in 1946. This was initially intended to be an L-head engine, and 8 experimental units were built and extensively tested by the end of the 1940s. But testing comparisons to the OHV Oldsmobile V8 revealed the L-head could not compete performance-wise. So, in addition to building a new Pontiac Engineering ...
Lighter Side. Politics. Science & Tech. Sports. Weather. What we know about the B-17 Flying Fortress, P-63 Kingcobra planes that crashed in Dallas. Tom Johanningmeier. November 12, 2022 at 2:25 PM.
The Pontiac Fiero is a rear mid-engine, light sports car manufactured and marketed by Pontiac for model years 1984 – 1988. Intended as an economical commuter car with modest performance aspirations, it was Pontiac's first two-seater since their 1926 to 1938 coupes, and the first rear mid-engine mass-produced car by any American manufacturer.