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20 maj 2023 · If you want to make more horsepower through 8.1 Vortec upgrades, you have a few different routes. Basic bolt-ons, like headers, a cold-air intake, and ECU tuning, will net some decent gains. However, if you really want to make the Vortec 8100 scream, you have to upgrade the cylinder heads and intake manifold.
8 sie 2015 · Jumping off from the stock readings (220 hp at 3,940 rpm and 303 lb-ft at 3,400 rpm), the 51 extra cubes, free-breathing heads, greater cam timing, and hogged-out intake manifold brought 110 hp and 115 lb-ft to the party (330 hp at 4,600 rpm and 418 lb-ft at 4,000 rpm).
17 cze 2009 · Increase to 325 horsepower For the 2006 Chevrolet Suburban, Avalanche and GMC Yukon XL 2500 Series, the Vortec 8100 delivers an additional 5 horsepower. Increased power results from reduced backpressure in the exhaust system, enabled by a new catalytic converter system.
29 cze 2021 · Things had changed rapidly at GM on both the gas and diesel side of the equation, and with a 6.0-liter version of the LS V8 offering 360 horsepower and 380 lb-ft of torque while crushing the Vortec 8100 in terms of fuel economy (9-mpg city / 11-mpg highway), Chevrolet and GMC both decided to drop the large displacement engine in heavy duty ...
20 sty 2024 · The result was 340 horsepower and 455 lb-ft of torque under the hood of 2500/3500 trucks and 2500 chassis Avalanches, Yukons, and Suburbans.
24 paź 2018 · Peak Horsepower: 330 – 340 hp @ 4,200 rpm (truck, van, SUV applications) Peak Torque: 440 – 455 lb-ft @ 3,200 rpm (truck, van, SUV applications)
9 gru 2018 · From a dead stop it can roast my 140lb 19.5 tires and it rpm's very quickly. The cams power range stops at 4200 so I changed my WOT shifts to 4200. From a dead stop it feels like an old muscle car and when it shifts it feels like a T400 with a shift kit.
