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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.
25 lip 2022 · Chevy 8.1 Vortec ultimate engine guide discussing specs, common problems, reliability, performance upgrades, and engine swaps.
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.
Specification Sheets. What are the torque specs for the 8.1L Vortec 8100 / 496 engine? Please refer to our torque spec sheet here. Where can I find a list of GM part numbers for the 8.1L Vortec 8100 / 496 engine?
29 wrz 2011 · The 7.4 L (454 cu in) V8 features MPFI (multi-port fuel injection) and 2 valves per cylinder. Among the many improvements was more power for the gasoline engines. The Vortec 7400 big block V8 has a 107.95 mm bore, 101.6 mm stroke, produces 290 horsepower (220 kW) at 4000 rpm and 410 lbf·ft (560 N·m) at 3200 rpm.
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.
9 sie 2023 · This engine produced 340 horsepower at 4,200 rpm in 2002 and 2003. In 2004 through 2006, the engine's horsepower ranged from 320 to 330 at 4,200 rpm, depending on which year model it was and which vehicle it was in.
