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Icon Home > News > News > GMC Denali By Hennessey Goes From 0 To 60 mph In 4.5 Seconds: Video
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GMC Denali By Hennessey Goes From 0 To 60 mph In 4.5 Seconds: Video
Date 25/04/2015 19:14  Author admin  Hits 877  Language Global

Leave it to John Hennessey to throw a supercharger and a tune on every V-8-powered GM vehicle. Take this 2015 GMC Yukon Denali. It's 6.2-liter EcoTec3 V-8 is fitted with Hennessey's HPE650 Supercharger kit that brings the engine's output rating to — like the name suggests — 650 horsepower.

The blower is a 2.9-liter unit that is cooled by a high-flow intercooler system, while a set of high-flow cylinder heads help the engine breath. A new camshaft makes adjusts the valves' operation, adding not only more horses but also a respectable rumble. Lastly Hennessey flashes the Yukon?s ECU with a custom tune. Best of all, the whole deal comes with a 3-year/36,000-mile warranty.[...]



Source: topspeed
Tags GMC Hennessey video
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