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The next year, Chevrolet introduced a full-production long-stroke 3.1 L; 191.3 cu in (3,135 cc) version in the Pontiac 6000 STE AWD, with a 89 mm (3.5 in) bore and 84 mm (3.31 in) stroke compared to the 2.8 which shared the same bore, however with a 76 mm (2.99 in) in stroke. It was produced simultaneously with the 2.8 L (2,837 cc) in various ...
It has a 10.3:1 compression ratio. Its fuel economy is 4–6 km/L (11–17 mpg ‑imp; 9.4–14.1 mpg ‑US) in city, and 7–9 km/L (20–25 mpg ‑imp; 16–21 mpg ‑US) on highway. [citation needed]. Holden also produced the 3.2L engines that were used by Alfa Romeo as the basis of its JTS V6 engine. Applications:
The High Value engine family from General Motors is a group of cam-in-block or overhead valve V6 engines.These engines feature cast iron blocks and aluminum heads, and use the same 60° vee bank as the 60° V6 family they are based on, but the new 99 mm (3.90 in) bore required offsetting the bores by 1.5 mm (0.059 in) away from the engine center line.
In 1966–1967, the 1-barrel was replaced with a 2-barrel Rochester 2GV, giving the engine a 5-horsepower boost to 160 hp (119 kW). The V6 was dropped after the 1967 model year in favor of a conventional 250 cu in (4.1 L) inline-six engine built by the Chevrolet division, and the tooling was sold to Kaiser-Jeep .
It was offered with a single one barrel carburetor, rated at 165 hp (123 kW). [5] A W53 Sprint version for the Firebird produced up to 215 hp (160 kW). Considered advanced by Detroit engineering standards at the time, the Pontiac OHC 6 followed the Jeep Tornado I6 as the second post-World War II domestic-developed and mass-produced overhead cam ...
The LE9 5.0 L (305 cu in) was a version of the 305 with a four-barrel 650 cu ft/min (18 m 3 /min) carburetor and equipped with electronic spark control (ESC), [33] a 9.2-9.5:1 compression ratio, the LM1 cam and 14010201 casting heads featuring 1.84/1.50" valves, and 53 cc (3.2 cu in) chambers. The engine produced 165 hp (123 kW) at 4,400 and ...
The engine came with 543797 (4-barrel) and 9770716 heads for the tri-power and special exhaust manifolds and a 7H cam with 292deg. intake duration and later 1964 L with 288deg intake essentially the same as the 068 cam. #9770716 aka "716" heads featured a 170cc intake port volume, and were considered a milder "street" version of the vaunted ...
The bore and the stroke was 88.9 mm × 88.9 mm (3.50 in × 3.50 in), making it a square engine. The block deck height was extended and longer conrods were fitted 158.75 mm (6.250 in) between centres. A Bendix Stromberg two-barrel carburettor was used in place of SU carburettors. [11]