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Pontiac engineers originally wanted to use an all-aluminum V-8 engine in the TTA. That plan never materialized, so the 3.8L Intercooled Buick Turbo V-6 engine from the Buick Grand National was chosen and equipped with cylinder heads from the existing 3800 Series I V-6, because of their increased clearance at the strut towers and superior flow. [1]
Sometimes confused with the Buick designed and built 215 cu in (3.5 L) aluminum V8 that Pontiac had used in the two years prior, the "Pontiac 215" was an adaptation of Chevrolet's 194 cu.in. inline 6 currently produced and the new 230 cu in (3.8 L) overhead valve Turbo-Thrift straight-6.
Pontiac introduced more performance-oriented models over the next decade. The Trans Am also set a production aerodynamic mark of .32 cd. A convertible body style was reintroduced after nine years. GM adapted the J-body cars and the all-new 1982 J2000 (later renamed Sunbird) had a convertible as part of its line. 1985 Fiero Sport Coupe
A Silver streak 8 in a 1949 Pontiac Streamliner - note the large intake silencer leading to an oil-bath air cleaner on the left side of the engine. The Pontiac straight-8 engine is an inline eight-cylinder automobile engine produced by Pontiac from 1933 to 1954. Introduced in the fall of 1932 for the 1933 models, it was Pontiac's most powerful ...
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 ...
As Pontiac still wanted to offer a performance motor to compete in the performance market, they looked back to the 400 Pontiac and how it could be improved to offer greater performance while meeting CAFE standards. In 1977 the 400-cubic-inch (6.6 L) T/A 6.6, (RPO code W72) was created to fulfil the performance engine gap in the Pontiac line-up ...
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