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29 kwi 2022 · The engine was built mostly out of cast iron and had ratings of 340hp and 450lb-ft of torque, with the engines rated for 550hp and 690 lb-ft of torque. While it was powerful enough to tow just about anything you wanted to tow, the problems of gas mileage and other issues cut short its existence.
9 sie 2021 · Power output is impressive, with up to 340 horsepower on tap. The real show is the torque figure, though, at up to 455 lb.-ft. Perhaps the most appealing specification of the Chevy 8.1 V8 is its remarkably flat torque curve. It achieves peak torque at 3,200 rpm.
29 cze 2021 · The 8.1-liter V8 was the very last big block to be produced by General Motors. Building on the same basic architecture as the 454 cubic inch motor it would eventually out-live, the Vortec 8.1 (also known as the 8100) represented the final link to Chevrolet's roaring '60s muscle car motors, and claimed the title of the largest passenger vehicle ...
20 sty 2024 · Let's take a look at the specs of this monstrous 8.1-liter V8 and see how it's still managing to be relevant even to this very day. A towing dream come true. General Motors. GM set out to...
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.
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.
7 lip 2024 · Based solely on the numbers, the GM 8.1-liter Vortec V8 beats out the 8.0-liter Magnum V10 from Dodge. The GM big block makes 30 more horsepower and an extra five lb-ft of torque.
