The Chevrolet big-block engine is a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline-powered, V8 engines that was developed and have been produced by the Chevrolet Division of General Motors from the late 1950s until present. They have powered countless General Motors products, not just Chevrolets, and have been ...

2008年5月1日 · Coded "W-motor" 348s, each weighed in at 125 pounds (or more) heavier than the small-block. Both engines, due to the camshaft profile, lacked high-rpm revability and power over 5,000 rpm. It...

2015年10月1日 · In 1958, Chevrolet released what is reputedly, their first version of the big-block V8, the 348 cubic-inch engine. Referred to as the W-series because of the shape of the cylinder head, this engine was designed for use in passenger cars and light trucks.

2021年10月31日 · There was a very small run of some fifty 427 inch “W” engines, the super-stock Z-11, and intended for the drag strip. The bodies had aluminum parts, and there were dual Carter AFBs hiding under that cowl-induction intake. (Under) rated at a modest 430 hp, these ’63 Chevys could hit some 135 mph in the traps.

2022年3月26日 · Initially conceived as the heart of all Chevy workhorse vehicles, this innovative engine laid the foundation for the division's high-horsepower, big-block V8s

2014年8月8日 · Chevy’s W-series 348 and later the 409 became legends on the street, and in particular the 409 also became a legend on the track. In the early 1960s, these engines powered a variety of GM vehicles and the Z-11 Impalas at the drag strip.

6 天之前 · Bringing affordable V8 power to the masses, the W-Series engines are legends among hardcore enthusiasts. But, like many things in Chevrolet’s orbit, they compete with other perhaps more spectacular moments and innovations.

2023年4月5日 · See Below for all the Chevrolet W-Series Engine Specifications and Details: 250 Horsepower Turbo Thrust V-8. Overhead valves. Cast iron block. Displacement: 348 cubic inches. Bore and stroke: 4.125 x 3.250 inches. Compression ratio: 9.50:1. Horsepower: 250 @ 4400 RPM. Torque: 355 @ 2800 RPM. Valve lifters: Hydraulic.

2008年1月11日 · By mid-1957, Chevrolet Engineering liked its coded "W-Motor" engine. It was designed from a "clean sheet of paper" like the 1955 265 small-block was and it too had few, if any, weaknesses....

Chevrolet introduced the cast iron Mark I W-Series for passenger vehicles and light trucks while serving as a massive statement for where big-blocks could go. An iteration of the W-Series, the 348 briefly held the rank as Chevrolet’s top performing engine as it propelled trucks and heavy passenger cars.