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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.
While similar in displacement to the other 4.3–4.4 L (265–267 cu in) V8 engines produced by General Motors (including the Oldsmobile 260 and Pontiac 265), the small bore 267 shared no parts with the other engines and was phased out after the 1982 model year due to inability to conform to emission standards. Chevrolet vehicles eventually ...
The engines were also sold for marine and stationary applications. In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro ...
At the 2006 SEMA show, GM Performance Parts introduced the LSX engine, an all-new cast-iron racing block based on the LS7 engine. It was designed with help from drag racing legend Warren Johnson . It offers displacements ranging from 364 to 511 cu in (6.0 to 8.4 L) with a bore and stroke of 4 + 1 ⁄ 4 in × 4 + 1 ⁄ 2 in (108.0 mm × 114.3 mm ...
On April 8, 2003, General Motors announced this technology (now called Active Fuel Management) to be commercially available on 2005 GMC Envoy XL, Envoy XUV and Chevrolet TrailBlazer EXT using optional Vortec 5300 V8 engine. GM also extended the technology on the new High Value LZ8 V6 engine in the Chevrolet Impala and Monte Carlo as well as the ...
This was so named because it began with Chevrolet's V8 engines. Chevrolet big-block V8s; Chevrolet small-block V8s; GM Vortec 4300 90° V6; GM Iron Duke RWD inline 4 (early RWD Variants, later versions may use a FWD pattern, and have two possible starter locations) Jeep with GM Iron Duke inline 4 2.5L/151 in³ (1980-1983).
Performance was 7.7 seconds for 0–60 mph (0–97 km/h) with a 15.9 second 1 ⁄ 4 mile (402.3 m) run at 86.4 mph (139.0 km/h). For the 2005 model year, the SSR used the 390 hp (291 kW) LS2 V8 also found in the C6 Corvette , Trailblazer SS, and Pontiac GTO , and also offered a manual transmission option, the six-speed Tremec , for the first time.
General Motors began offering a newly developed 572 cu in (9.4 L) in 1998 [46] to the aftermarket via its GM Performance Parts division. This engine has a bore and a stroke of 4.56 in × 4 + 3 ⁄ 8 in (115.8 mm × 111.1 mm).
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