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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:
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 ...
A 3.8 L V6 with SPI was introduced in the 1996 Windstar. With a compression ratio of 9.3:1, this engine was rated at 200 hp (149 kW) at 5000 rpm and 230 lb⋅ft (312 N⋅m) of torque at 3000 rpm. The upper intake manifold has a sticker located on the passenger side of the forward plenum denoting "Split Port Induction".
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 .
Power outputs for the new engines, designated Alloy Head II, increased to 90 kW (120 hp) and 105 kW (141 hp) respectively, [26] [27] and fuel economy improved over that of the previous Alloy Head engines with single-barrel carburettor. In March 1983, direct-port fuel injection using Bosch Jetronic LE was offered as an option on the 4.1 L engine ...
The firing order has been changed from that shared by all previous Modular V8s (1-3-7-2-6-5-4-8) to that of the Ford Flathead V8 (1-5-4-8-6-3-7-2). [17] Compression ratio is 11.0:1, and despite having port fuel injection (as opposed to direct injection) the engine can still be run on 87 octane gasoline.
The Hyper Pak consisted of a very-long-ram intake manifold meant to accept an AFB 4-barrel Carter Carburetor, the AFB carburetor itself and an appropriate air cleaner, dual (front-3 and rear-3) cast-iron exhaust headers, a large-diameter exhaust Y-pipe to connect to these dual cast-iron headers, a larger muffler, a 276°-duration camshaft with ...
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