1998 Gmc Sierra C/k 2500 Reg. Cab 4wd Western Plow Plowtruck on 2040-cars

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Elvis Presley owned this GMC pickup. Now you can, too

Befitting his status as America's first rock star, Elvis Presley lived large. Among his many excesses, Elvis was well known for his prolific new-car purchases. Mostly, it seems the King favored Cadillacs and Lincolns — although, during his Army stint in Europe, he picked up a BMW 507 roadster. Here we have something different from the Elvis Presley canon: a 1967 GMC pickup. And this GMC will be crossing the block at the GAA Classic Cars auction on February 27. This GMC is one of three that Elvis purchased from Guy Caldwell Motors in Senatobia, Mississippi, almost exactly 54 years ago: on February 7, 1967. He bought a red one, a blue one, and this green one for use on his Circle G Ranch in Horn Lake, Mississippi. According to a badge on the glovebox door, this pickup is a GMC Cheyenne Super, which sounds like a fancy-pants trim level, although the truck still looks pretty bare-bones to our eyes. The steel wheels have dog-dish hubcaps, and the grille and bumpers are painted white rather than chrome. It's a standard-bed half-ton pickup and is powered by a six-cylinder engine with a three-on-the-tree column-shift manual transmission. The truck spent just over a year on the ranch before being sold off. It then went through a series of owners and several museum stints. Among the paperwork included with a sale is a letter from Elvis Presley Enterprises confirming that a GMC pickup with this VIN number was bought new by Elvis. It has now been restored, so there shouldn't be a whole lotta shakin' going on. The truck has been repainted green, although the side mirrors are different than what's shown in a vintage photo, and the chrome trim along the sides is missing. More notably, we'd like to see the "Circle G Ranch" logo it once wore on its doors be added. No pre-sale estimate is given. The final hammer price for this GMC will depend on the degree to which bidders are all shook up at the prospect of owning one of the more unusual Elvis Presley vehicles.

GM announces 6 recalls covering nearly 720k cars

General Motors has announced yet another sprawling recall campaign, with six separate elements covering 717,950 vehicles on US roads. At this point in 2014, it's starting to seem like there are more days with a GM recall than without. Perhaps most troubling about this latest volley, though, is that every vehicle is from the past few years, indicating that GM's quality woes may not be limited to pre-bankruptcy vehicles.
The largest element of this latest campaign covers 414,333 units, and includes the 2011 to 2012 Chevrolet Camaro, 2010 to 2012 Chevy Equinox, GMC Terrain and Cadillac SRX and the 2011 to 2012 Buick Regal and LaCrosse. Only vehicles with powered, height-adjustable seats are covered. In these particular cars and crossovers, the bolt that secures the height adjuster actuator may loosen of its own accord and in some cases fall out completely. If this happens, the seats will be able to move both up and down. GM claims the vehicles are safe to drive, provided drivers don't vertically adjust their seats. This particular issue has caused one crash and three injuries.
The largest element of this latest campaign covers 414,333 units, including the Chevrolet Camaro and Equinox, GMC Terrain, Cadillac SRX and the Buick Regal and LaCrosse.

'Killing a Duramax' Gale Banks YouTube series methodically tunes a diesel to death

Learning or perfecting a skill by watching YouTube videos is known as attending YouTube University. GM Authority picked up on one of the video site's more fascinating courses, hosted by Gale Banks; in a fair world, he should be referred to as Professor Banks when it comes to diesel engines and truck tuning. A few months after GM introduced the updated L5P 6.6-liter Duramax diesel V8 in the 2020 Chevrolet Silverado HD and GMC Sierra HD that ships with 454 horsepower and 910 pound-feet of torque, Banks decided he wanted to methodically tune the engine to death. The purpose of the resulting series, called "Killing a Duramax," is to push more power out of the engine in order to discover which parts break and when — or, as Banks puts it, force-feed the Duramax "until the crank hits the street and the heads hit the hood." With that knowledge, Banks can figure out all the weak points on his way to building what he calls a "Superturbo," that being a supercharged, twin-turbo race engine with more than 1,000 hp. What makes the series fascinating is Banks' knowledge, paired with the company's comprehensive iDash engine monitoring system that keeps tabs on a glut of parameters every step of the way. So for instance, you get Banks explaining the differences between inches of mercury and barometric pressure, how those are different from the water content of the air measured in grains, then showing those readouts on the iDash, then explaining in detail how they affect the air density in the Duramax system. The stock Borg-Warner variable turbo gets a lot of airtime — Banks accuses it of being "out to lunch" because he feels it's the weakest link on the engine. That turns into a turbo teardown and a deep explanation of performance pitfalls, such as when air pressure on the turbine begins to diverge from the boost pressure coming from the compressor. Banks says he can keep close tabs on where power's coming from, because the iDash monitors the horsepower contribution provided by the ambient air, the turbo, and the intercooler separately. The major changes so far are a stouter Precision 7675 turbo and TurboSmart wastegate (episode 5), a twin intake (episode 6), a custom liquid-cooled intercooler from a marine engine, a new GM oil cooler and synthetic oil (episode 10), and new injectors (episode 11).