Vortec 4200 GM's Powerful DOHC Inline Six Was Almost America's 2JZ

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FB guy built a 4bbl intake and a dist, for a 4200 4200 4bbl carb and dist. Last edited by efi-diy; 02/09/19 06:10 PM . I'm working on a '78 280z and HEAVILY considering a 4200 to swap in. Basic parts in concept would be the Atlas, a custom intake, exhaust, cams, etc. Shave the head to increase compression slightly (somewhere between 10.5-11:1.

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The LL8 (or Vortec 4200 ), is a straight-6 gasoline engine produced from 2002 to 2009. It was the first Atlas engine, and was introduced in 2002 for the Chevrolet TrailBlazer, GMC Envoy, and Oldsmobile Bravada. The engine was also used in the Buick Rainier, Saab 9-7X, and Isuzu Ascender .

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The Vortec 4200, already noted for providing peak power and torque emulating that of competitors' larger-displacement V-8s, delivers 16 more horsepower for 2006. Its new rating is 291 hp and 277 lb.-ft. of torque. The power increase resulted from a higher compression ratio and improved engine breathing. GM Powertrain's participation in the.

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Swapping a 4.0L Into a CJ-7. Read the tech article on Chevrolet's Vortec 4200 Inline-Six Engine, brought to you by the experts at Chevy High Performance Magazine.

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The Vortec 4200 fared particularly well in Death Valley's hot-weather, trailer-towing testing. Hauling a 5,000-pound trailer, the Vortec 4200 consumed 20 percent less fuel than the competing engines it was tested against. In addition to the Vortec 4200 production engine, GM's racing Vortec inline engine has been

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For the first variant of the Vortec 4200 engine, it had 270 hp and 275lb/ft torque. However, for the 2003 model ear, the 4200 was upgraded to 275 hp, and 277lb/ft torque before the later increase in 2006 eventually provided the most powerful engine in the lineup with an impressive 291 hp and 277lb/ft torque. Is the 4200 Vortec a good engine?

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At 270 hp, the 6-cylinder has 30 to 35 more horses that competitors V8's! All this with an estimated 20% fewer parts than a comparable "V" design. Power is important, but so is durability. Of the more than 800 test engines built, twenty-four Vortec 4200's were tested on the dynamometer and all of them met the 150,000-mile target.

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For the Vortec 4200, see General Motors Atlas engine. V6 For the Vortec 4300, see Chevrolet 90° V6 engine. V8 For the Vortec 4800, see General Motors small-block engine. For the Vortec 5000, see Chevrolet small-block engine (first- and second-generation). For the Vortec 5300, see General Motors small-block engine.

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That Vortec 4200—launched on the Trailblazer, Bravada and GMC Envoy in 2002—was the first engine in the Atlas family of inline-engines, which included straight-five and inline-four engines.

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Vortec4200wiki - Manual Trans Overview Transmissions Info provided by Eric of UglyBoost91 Youtube Channel From the factory, the Vortec 4200 was only ever available with the GM 4L60/65E.

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The 4.2-liter Atlas LL8, otherwise called the Vortec 4200, was a groundbreaking engine for GM.

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1 2 TheV8Kid Dork 2/2/21 1:46 p.m. I know a lot of people on here have been following our escapades with the Vortec 4200, so I decided to make a wiki. Check it out here: https://sites.google.com/view/vortec4200wiki/home nocones GRM+ Member and UberDork 2/2/21 3:11 p.m. This is awesome.

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Changes and advancements on Ameri-Barra Vortec 4200 DOHC VVT Inline 6 Trailblazer engines over the years and recommendations on which parts to use. We look a.

Vortec 4200 GM's Powerful DOHC Inline Six Was Almost America's 2JZ


This sticky is for links to the most asked about questions, info, specs and general knowledge of the Vortec 4.2L I-6. If you see a thread that should be considered to be added here, click on the button with a note indicating that it should be added. General Vortec 4200 Wiki (external site) Video: Atlas engine teardown

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The 4200 Vortec 4200 engine I6 engine was named one of Ward's 10 Best Engines from 2002 to 2005. Chassis] The second generation GMC Envoy uses the body-on-frame GMT360 chassis architecture. Ending its commonality with GM compact pickup trucks, the GMT360 chassis was designed from the ground up for SUV use.

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The General Motors Vortec 4200 (also known as the LL8) is part of the manufacture's Atlas line of engines that include inline-four-, five- and six-cylinder applications. Specifically, the 4200 is a straight-six, 4.2-liter powerplant that, depending on the vehicle it was placed in, produced anywhere from 270-290 horsepower.