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29 Ιουν 2021 · Learn about the history and performance of the 8.1L Vortec V8, the largest and last gasoline engine produced by General Motors. Find out how it competed with diesel and LS motors in trucks, SUVs, and marine applications.
25 Ιουλ 2022 · Learn about the 8.1 Vortec, the last big-block engine produced by GM from 2001 to 2006. Find out its history, specs, common problems, and performance upgrades for trucks, boats, and RVs.
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.
20 Ιαν 2024 · GM set out to make the Vortec 8100 a tough and resilient engine for folks looking to tow. It's based on the old-school Gen-VII Big Block and effectively is a 454 with a longer (4.37-inch) stroke.
9 Αυγ 2021 · Learn about the Chevy 8.1 engine, also known as the Vortec 8100, the final big-block V8 for Chevy trucks and vans. Find out its capability, reliability, and common issues.
11 Μαΐ 2022 · The Chevrolet 8.1 Vortec engine is a powerful and reliable option for drivers looking for an engine that can provide plenty of torque. This engine has been used in a variety of Chevrolet models, including the Silverado, Avalanche, and Suburban.
20 Μαΐ 2023 · Guide to the best GM 8.1 Vortec performance upgrades, including headers, tuning, cylinder heads, intake manifold, and camshaft upgrades.
