suburban gmc : I know I'm rambling, but hopefully someone can provide some info.My stock Suburban runs great. At about 100 mph (speedometer only goes to 85), the engine seems to shut off. While everyone agrees that this is possible, I can't find anyone who has reproduced my finding.I'm not familiar with the Canepa Suburbans, but check out this description of a Lingenfelter Suburban:---------------------------------------- -----------------------------------The Chevy and GMC Suburban--draft horse of the well-heeled, national car of Texas--has been around in one form or another for about half a century. But the Suburban has never been bred for speed. Even when stuffed with 7.4 liters of pushrod, cast-iron V-8 (which adds up to 454 nasty cubic inches), the Suburban is meant for hauling 150 feet of Airstream trailer, not for leaving 150 feet of smoking rubber.There are exceptions to this rule lurking around GM's technical centers. One of them is a red, rather innocent-looking Suburban. Its creators at GMC Truck call it a concept car for exploring the performance potential of their existing truck engines. An interesting rumor suggests, however, that it's also the result of inquiries from Saudi Arabian authorities looking for a Suburban that could stop both bullets and drug runners. Bulletproofing a Suburban would mean at least a ton of extra weight in armor-plate steel and convenience-store-grade glass. Then turning a Suburban weighing nearly 9000 pounds into a speedy vehicle would be another task altogether.
suburban gmc : GMC rang up Lingenfelter Performance Engineering for a running powertrain proposal. (John Lingenfelter, you may recall, purveys scandalously fast Corvettes that we've drooled over in past issues.) Lingenfelter was handed an otherwise stock four-wheel-drive Suburban with 3.73 axles and a beefed-up GM 4L80-E four-speed automatic transmission. Out went the standard 230-horsepower 7.4-liter V-8. In its place went a marine-duty block, bored and stroked to a atmosphere-gulping 9.9 liters (that's 605 very nasty cubic inches). Feeding this monster is a long-runner intake manifold designed by Mercury Marine, with Lingenfelter-tweaked GM port fuel injection. It connects to a sewer-pipe-sized intake tube, topped off by an airbox with a filter roughly the size and shape of, say, a queen-sized Sealy Posturepedic.The rest of the Suburban remains unmodified, so it still has the aerodynamics of your average ranch house and weighs just about as much--a pavement-pounding 6289 pounds. Neither of which means anything to the horrific new engine, which affects the Suburban in strange and scary ways, ways that furrow the brows and tighten the lips of any upstanding suburbanite. Encounters with 550 horsepower and 705 pound-feet of torque will do that.
suburban gmc : Take acceleration. If you can keep a lid on wheelspin in first gear, this Suburban in rear-wheel-drive mode will clear the 60-mph mark in--make a note, kids--4.7 seconds. Now consider the same deal with four-wheel drive. From a standstill, the big red wagon lurches left, then right, as the axles wind up, and then it's gone, with the speedo showing 60 in 4.6 seconds.We would have pushed on past 130 mph (28.7 seconds) if not for the BFGoodrich light-truck tires, which seemed as likely to survive a 160-mph top-speed run as would the wheels on a shopping cart. A blowout at this clip, in a truck with a center of gravity higher than the roofs of some other cars, is an experience best left to the imagination.Then, there's that noise! Not squealing BFGoodriches, but Lingenfelter's motor, which exhales through custom-built headers and the Chevy 454SS sport pickup's dual-exhaust system. The unobstructed intake and exhaust produce a haunting, rising wail at full throttle, the type that makes neighbors turn on lights and peek through windowshades. Ease off the throttle and the engine is a different animal, sinking to a wavering, slightly throaty, but otherwise normal idle, at 700 rpm.
suburban gmc : A family hauler like this would make Tipper Gore naughty. We found ourselves taking detours on the way home, hoping to entice a hapless Porsche, Corvette, or Mustang GT. But with Michigan's sports cars in winter hibernation, we instead had to settle for fun of a different kind. Picture joyriding in a 550-horsepower Suburban packed with five grinning adults, their heads swaying to and fro in unison. Scandalous driving like this has its price at the gas pump. During its stay with us, the big truck guzzled fuel at a voracious, but not surprising, rate of 8 mpg.If this Ferrari-muncher is just your speed, don't even think of contacting the GMC guys, because they will likely become instantly afflicted with lockjaw at the mere mention of the words "Lingenfelter" and "Suburban" in the same sentence. Instead, just buy a GMC or Chevy Suburban (about $30,000 for our test car) and drive to Lingenfelter's Indiana shop with another $38,000 in hand: that's $28 grand for his handiwork and another $10 grand for emissions certification, which he hasn't done yet.
suburban gmc : Sony And General Motors Team Up To Create TheUltimate Mobile Family Entertainment CenterSony Corporation of America and General Motors Corporation todayannounced that the twocompanies have integrated the latest achievements in Sony hardware andsoftware technology intoone of GM's premier sport utility vehicles, creating a marquee gift forthe 1997 Christmas Bookfrom Neiman Marcus. The 1998 Sony Limited Edition GMC Suburban is a one-of-a-kind holidaygift stocked with anextraordinary array of Sony electronic and entertainment products andfeaturing unique exterior andinterior styling. Production is limited to 100 vehicles. Owners willreceive Sony Music CDs,Columbia TriStar home video cassettes and PlayStation(TM) games, as wellas invitations to Sonyentertainment events throughout the year. ``The Sony Limited Edition GMC Suburban represents the convergence oftechnology,entertainment and design,'' said Matthew Mazer, Senior Vice President ofthe Sony Corporation ofAmerica entity coordinating the overall project. ``This combination ofthree powerful brands--Sony,GMC and Neiman Marcus -- in one extraordinary vehicle has tremendousvalue for all of thecompanies and a definite appeal to buyers of high-end luxury vehicles.''
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