![]() It was available only with a 2-barrel carburetor. The 200 cu in (3.3 L) V6 was only produced for 19. This produced an engine with a semi-even fire sequence of 132 degrees/108 degrees. However, the connecting rods were still the same 5.7-inch (140 mm) length as most other small-block Chevrolet V8 engines. This required the connecting rods to have 0.05-inch (1.3 mm) narrower ends as well as a thrust bearing to be installed between each pair of rods. The crankshaft has each of its connecting rod throws offset by 18 degrees for each pair of rods. Also like the small block V8 engines, the 200 cu in (3.3 L) V6 used 2.45-inch (62.2 mm) main bearings and 2.1-inch (53.3 mm) rod bearing diameters.īeing a 90-degree V6, Chevrolet took steps to eliminate the rough running tendencies of the 200. These bore and stroke dimensions were later used by the 267 cu in (4.4 L) V8 Chevrolet engine. Introduced in 1978, the 200 cu in (3.3 L) replaced the larger 250 cu in (4.1 L) as the base engine for Chevrolet's new downsized intermediate line. Until 2014, the Chevrolet 90° V6 was produced at the GM Powertrain Division plant in Romulus, Michigan. The engines in this family are longitudinal engines, and have been used in rear-wheel drive cars and trucks, industrial, and marine applications. All the engines use a 1-6-5-4-3-2 firing order. The oil pan dipstick is located on the passenger side above the oil pan rail this design was phased in on both the V6-90 and Small Block Chevrolet assembly lines (for engines manufactured after 1979) sharing the same casting dies. The 90-degree V6 engine uses the same transmission bellhousing pattern as the Chevrolet small-block V8 engine. Many parts are interchangeable between the 90° V6 and the small block V8 including valvetrain components, some bearings, piston assemblies, lubrication and cooling system components, and external accessories. The V6s share the same 4.4-inch (110 mm) bore spacing and 9.025-inch (229.2 mm) deck height as the V8 engines. The engines are based on the Chevrolet Small-Block engine, and the V6 is formed by the removal of the #3 and #6 cylinders. All engines have cast iron blocks and cylinder heads. These engines have a 90° V-block with 12 valves activated by a pushrod valvetrain. A new Generation V 4.3 L (262 cu in) V6 variant entered production in late 2013, based on the LT1 small block V8 used in the 2014 Chevrolet Silverado. Its phaseout marks the end of an era of Chevrolet small-block engine designs dating back to the 1955 model year. ![]() The original engine family was phased out in early 2014, with its final use as the 4.3 L (262 cu in) V6 engine used in Chevrolet and GMC trucks and vans. ![]() The Chevrolet 90° V6 family of V6 engines began in 1978 with the Chevrolet 200 cu in (3.3 L) as the base engine for the all new 1978 Chevrolet Malibu. Mitsubishi TD06-17C with Garrett Water/Air intercooler (on GMC Syclone & Typhoon only) ![]()
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