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The top-of-the-line model produced 283 hp (211 kW; 287 PS), giving it a 1:1 cubic inch to horsepower ratio; [18] this lowered the Corvette's 0–60 mph (0–97 km/h) to 7.2 seconds. [ 27 ] General Motors would produce more powerful and larger displacement iterations of the small-block, until stringent emission regulations in the late 1960s ...
The Vortec 5000 L30 is a V8 truck engine, displacing 5,020 cc (305.4 cubic inches). Bore is 95 mm (3.7 in) and stroke is 88.4 mm (3.5 in). The compression ratio is 9.1:1. [34] It was replaced by the 4.8 L Vortec 4800 LR4 for the 1999 Chevrolet Silverado/GMC Sierra trucks and 2003 Express/Savana vans. In C/K trucks, the 5000 produces 230 hp (172 ...
The connecting rods used on the 4.3 L (262 cu in) are therefore unique to this engine, being 5.7 inches (140 mm) in length, but having the larger 2 + 1 ⁄ 4 inches (57.2 mm) journals. The 4.3 L (262 cu in) also used larger valves than the 229 cu in (3.8 L) V6, with a 1.94-inch (49.3 mm) intake valve and a 1 + 1 ⁄ 2-inch (38.1 mm) exhaust ...
The first or second generation of non-LS Chevrolet small-block engines; The third, fourth, or fifth generation of LS-based GM engines; The Chevrolet Gemini small-block engine; An early model of the Chevrolet small-block engine
Starting around 1925 engine blocks and cylinder heads were now developed at each brand but were cast at Saginaw Metal Casting Operations. [3] In the mid-1960s, there were 8 separate families of GM V8 engines on sale in the USA. [4] [1] By the 1970s, GM began to see problems with their approach.
The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air / fuel atomization. [1] It has since been used on a wide range of engines. Modern Vortec engines are named for their approximate displacement in cubic centimeters. I4