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Though never factory-installed in any car, the ultimate engine of the Ram Air line of engines was the tunnel-port Ram Air V. In 1969 Pontiac created four versions of the Ram Air V engine: a 303 cu in (5.0 L) short deck version for SCCA Trans-Am racing, a 366 cu in (6.0 L) variant for NASCAR, a 400 cu in (6.6 L) version for street use in GTOs ...
There was an additional Ram Air IV option for the 400 cu in (6.6 L) V8 engines during 1969, complementing the Ram Air 400(now often colloquially but incorrectly called the "Ram Air III," a name never used by Pontiac). The Ram Air IV was rated at 345 hp (350 PS; 257 kW) at 5000 rpm and 430 lb⋅ft (583 N⋅m) of torque at 3400 rpm; [11] and 335 ...
Although originally conceived as a 303 cu in (5.0 L) model to compete in the Trans Am racing series, in a cost-saving move the Pontiac Trans Am debuted with the standard 400 cu in (6.6 L) engines. This year also saw DeLorean leaving the post of general manager to accept a similar position at GM's Chevrolet division.
This is a list of Pontiac vehicles. ... Pontiac Q (2002) Pontiac GTO Ram Air 6 (2004) Pontiac El Camino (1987) Pontiac G6 (2003) References This page was last ...
The Firebird Esprit and the Firebird Formula came standard with the 255 hp (190 kW) 350 cu in (5.7 L). The Esprit could be upgraded to a two barrel carbureted 400 cu in (6.6 L)265 hp (198 kW), while the Formula could be optioned to receive the L78 4 barrel 400 that produced 330 hp (250 kW) or the L74 Ram Air III 400 345 hp (257 kW).
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The Oldsmobile engine was very similar to the Buick engine, but not identical: it had larger wedge combustion chambers with flat-topped (rather than domed) pistons, six bolts rather than five per cylinder head, and slightly larger intake valves; the valves were actuated by shaft-mounted rocker arms like the Buick and Pontiac versions, but the ...
The ten horsepower increase over 1968's engines was due to a different cam and the use of the #48 big valve heads, the same head used on the Ram Air 3 400-cubic inch 366 hp (273 kW) engine and the 428-HO engine at 390 hp (291 kW). The 1969 model year would be the last high-performance version of the Pontiac 350.