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The 389 would remain the standard Pontiac V8 engine through 1966, offered in a bewildering variety of outputs ranging from 215 to 368 hp (160 to 274 kW). The 389 was the standard engine for the Pontiac Grand Prix and Pontiac Bonneville and installed in the Pontiac GTO through 1966.
The Trophy 4 engine is a short-stroke, 45-degree inclined [4] inline four created from the right bank of the 389 V8 for the debut of the Tempest in 1961. Its 194.43 cu in (3.2 L) displacement is precisely half of the 389, with an identical bore and stroke of 4 + 1 ⁄ 16 in × 3 + 3 ⁄ 4 in (103.2 mm × 95.3 mm).
The Pontiac Bonneville is a model line of full ... 1967 also saw a large powertrain and chassis refresh for Pontiac. The 389 cubic inch plant was replaced with 400 cu ...
The Tempest featured a 194.5 cu in (3.2 L) inline slant-four cylinder engine, derived from the right bank of Pontiac's 389 V8, enabling it to be run down the same production line and reducing costs. the engine received a crankshaft designed for four cylinders, but this did not completely solve its balance issues.
The engine was a 195 cubic inch (3.2 L) straight-4 [7] marketed as the "Trophy 4," derived from the right cylinder bank of Pontiac's 389 cubic inch "Trophy 8" V8 engine. [8] The Tempest featured a drivetrain with a rear-mounted transaxle [ 9 ] that was coupled to a torque shaft arcing in a 3 in (76 mm) downward bow within a curved, longitudinal ...
1960–1963 Pontiac Trophy 4 (derived from the Pontiac 389) 1961–1992 Chevrolet 153 (derived from the Chevrolet inline-six) 1962–1993 Opel OHV "Kadett" 1963–1983 Vauxhall Viva OHV; 1965–1994 Opel CIH [15] 1966–1988 Vauxhall Slant-4; 1970–1977 Chevrolet 2300 aluminium-block; 1976–1993 Iron Duke (built by Pontiac) 1979–1986 ...
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It was designated officially at Pontiac as a "regular performance" model, [2] a thoroughly confusing designation for a vehicle that was clearly intended to be to the Catalina platform what the GTO was to the A-body Lemans: the standard drivetrain was a 2-barrel carburetor version of Pontiac's 389 cu in (6.4 L) V8 coupled to a floor-mounted 3 ...