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29 cze 2021 · GM's LS engine platform has stolen the spotlight from nearly every other V8 motor in the company's portfolio, forging a high performance future while almost completely replacing the Vortec line-up of motors that had powered Chevrolet and GMC trucks throughout most of the '90s.
The GM 8.1L Vortec is a big block V-8 based loosely on the company's flagship 454 CID engine. The 8.1L shares the 454's 4.25 inch bore but features a longer 4.37 inch stroke length. At 496 inch cubic inches of displacement, the burly 8.1L Vortec is rated between 320 to 340 horsepower and 440 to 455 lb-ft of torque, depending on the model year.
16 lut 2024 · The Chevy 8.1 liter engine is a V8 engine that features a displacement of 8.1 liters or 496 cubic inches. It is a gasoline-powered engine that was introduced by General Motors in 2001 and was primarily used in heavy-duty trucks and recreational vehicles.
25 lip 2022 · Learn about the history, specs, problems, and upgrades of the 8.1 Vortec, the last big-block engine by GM. The 8.1 Vortec was used in trucks, vans, boats, and RVs from 2001 to 2009.
18 sie 2017 · GM designed the 8.1 Vortec as a diesel alternative for its GM pickup truck line-up. You might be wondering, why offer an alternative to diesel, if diesel is objectively better in all performance-related categories? Well, there are a few reasons: price, availability, and convenience.
20 sie 2023 · Understanding the Engine Basics: A Guide to 8.1 Vortec Specs. GM has a rich past of making reliable and powerful big-block engines. This engine is based on a cult GM big-block V8 engine, the 454 CID. It came as a substitute for a legendary Vortec 7.4L.
11 maj 2022 · GM’s 8.1L motor, referred to as 8100 Vortec and first produced in 2001, was employed for Chevy Avalanche 2500, Silverado 2500HD, and 3500HD plus their GMC Sierra doubles in 2001-2006. In 2007, a smaller but more high-performance 6.0L V8 substituted it.
