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GM-Isuzu joint venture assembles 1.5-millionth Duramax diesel

General Motors and Isuzu have officially stitched together 1.5 million Duramax 6.6-liter diesel engines. The joint venture between the two manufacturers started in 1998, and now the DMAX plant employs 517 workers in a 584,000 square-foot facility. GM introduced the Duramax turbo diesel engine to the US market for the 2001 model year, and it can be found trucks like the Chevrolet Silverado HD and GMC Sierra HD as well as the full-size Chevrolet Express and GMC Savana vans. In its current configuration, the engine yields 397 horsepower and 765 pound-feet of torque at just 1,600 rpm.
Of course, the big oil burner has plenty of tuning potential as well. As you may recall, a Duramax-powered truck recently set the land speed record for towing a vehicle at 142 miles per hour.
GM owns 60 percent of the joint venture, with Isuzu laying claim to the remaining 40 percent. The facility is located in Chicago. You can take a look at the brief press release below for more information on the milestone.

Junkyard Gem: 1988 Chevrolet Spectrum Sport Coupe

Before General Motors created the Geo brand for cars built or designed by its overseas partners, the Chevrolet Division put its badges on U.S.-market versions of the Toyota Corolla Sprinter, the Suzuki Cultus and the Isuzu Gemini. Those cars were known as the Nova, the Sprint and the Spectrum, and all became Geos starting with the 1989 model year. Today's Junkyard Gem is one of the last Chevy Spectrums ever sold, found in a Denver self-service yard a few months ago. Midway through 1988, the Chevrolet Spectrum abruptly became the Geo Spectrum and was assigned to the 1989 model year. This car was built in May 1988, making it one of the very last of the pre-Geo Spectrums. The Chevrolet/Geo Spectrum was available as a four-door sedan and as a three-door hatchback, from the 1985 through 1989 model years. For 1988 only, a Spectrum Sport Coupe package, featuring some trim upgrades and these rad decals, could be had on the hatchback. This car was essentially identical to its Isuzu-badged counterpart, the I-Mark. In 1988, the MSRP for the cheapest possible Chevy Spectrum hatchback (the stripped-down Spectrum Express) was $6,495, while its somewhat better-equipped I-Mark twin started at $7,439 (that's $17,128 and $19,617 in 2023 dollars). Meanwhile, the base Hyundai Excel hatchback listed at $5,295 and the Yugo GV cost a hilarious $4,199 ($13,963 and $10,941 in today's money). Power came from this 1.5-liter SOHC four-cylinder, rated at 70 horsepower. A turbocharged version with 110 horsepower was available as well. You could get an automatic transmission in the Spectrum, but this car has the base five-speed manual. This car didn't get the optional air conditioning, but at least it has the traditional Isuzu HVAC control icons featuring blow-dried hair and high-heeled dominatrix boots. Just over 170,000 miles on the odometer. Someone installed a pretty good (for the 1980s) Blaupunkt Charlotte CR148 cassette deck in the dash. This was a necessity if you wanted to enjoy full appreciation of the music of the era. The Spectrum is special! It's as slick as city rain. "I didn't spend a lot of money but with my Spectrum it looks like I did." Joe Isuzu mocked Toyota salesmen when pitching the I-Mark. As was nearly always the case during the 1980s, the JDM ads for the same car were much more fun. They should have recreated this commercial with Spectrums.

Junkyard Gem: 1998 Isuzu Oasis

When I'm crawling through a big self-service wrecking yard (as I do at least once a week) in search of interesting discarded vehicles, the top of my "look for" list always includes weird and obscure examples of badge engineering, the weirder and more obscure the better. So far the Nissan-made Suzuki Equator has eluded me, but I have managed to shoot such junkyard badge-engineering oddities as the Mitsubishi Precis (Hyundai Excel), Acura SLX (Isuzu Trooper), Saab 9-2X (Subaru Impreza) and Saturn Astra (Opel Astra). Isuzu's dire need for a minivan in the late 1990s led to a deal with Honda to sell the first-generation Odyssey as the Oasis (even as the Trooper became the Honda Passport). Few bought the Oasis, but I found one in a Denver yard a few months back. Pure Honda throughout, down to the VTEC badges on the engine. This is the 2.3-liter F23 four, rated at 150 horsepower for 1998. Sold new in Denver, will be crushed in Denver. Though Americans bought many a Geo or Chevy built by Isuzu during the 1980s and 1990s (not to mention the big-selling Isuzu-made Chevy LUV truck of the 1970s), the Isuzu brand never really caught on over here. By 2009, Isuzu was gone. The first-generation Odyssey was well-made and efficient, but it was designed for the Japanese home market and thus was too small for most American van shoppers in 1998 (most of whom were moving to SUVs around that time, anyway). You could fit a lot of people and gear in this small-footprint machine, but that was more important in crowded Japanese cities than in sprawling American suburbia. Collectible? Not at all. But an interesting piece of automotive history. I can't find any Oasis ads online, so let's watch a JDM commercial for the first-gen Odyssey, featuring the Addams Family. Featured Gallery Junked 1998 Isuzu Oasis LS View 17 Photos Auto News Isuzu Automotive History