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25 lip 2022 · The 7.4 Vortec put down 290 horsepower and 410 lb-ft of torque which is nothing crazy for a 454 cubic inch engine. Fortunately, GM overbuilt these engines and then underpowered them, leaving a ton of room for performance upgrades. With internals that are good for over 800hp and a block that can handle more than…
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.
16 lut 2024 · The compression ratio of the Chevy 8.1 engine is 9.1:1, which ensures efficient combustion and optimal power delivery. It generates a remarkable 340 horsepower, allowing for quick acceleration and towing capabilities.
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.
18 sie 2017 · Horsepower: 320hp – 340hp. Torque: 440lb-ft – 455lb-ft. Compression Ratio: 9.1:1. 8.1 Vortec: Applications. The 8.1 Vortec was used in GM pickup trucks as a diesel alternative, as I mentioned above.
11 maj 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. It is also available in certain GMC models.
