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88 – 98 Trucks

A site about GM trucks made from 1988 to 1998

Category Archives: 1990 GMC K1500

Improving Fuel Economy for a GM 4.3 TBI

I’m just now getting to around to driving the 1990 GMC K1500 more, a little over a year after I bought it. Based on other 4.3 5-speed trucks I’ve owned, including the 1991 C1500, I know this transmission and engine combo can get good gas mileage for a full-size truck. The two tanks I had […]

Posted bytreddellMay 10, 2020June 5, 2020Posted in1990 GMC K1500Leave a comment on Improving Fuel Economy for a GM 4.3 TBI

“New” Wheels and Tires for the 1990 GMC K1500

When I bought the 1990 K1500, it had my least favorite GMT400 wheels on it. The tires where cracking and one had radial wires showing through the rubber. So, as usual, I checked Facebook Marketplace for 6 x 5.5 lug pattern wheels as part of my daily “what new GMT400’s are for sale out there” […]

Posted bytreddellApril 26, 2020April 15, 2020Posted in1990 GMC K1500Leave a comment on “New” Wheels and Tires for the 1990 GMC K1500

The 1990 GMC K1500

Year: 1990 Engine: 4.3 liter TBI 262 cubic inches Horsepower: 160 Torque: 235 lb-ft Trim: Sierra 4-wheel drive 5-speed manual Tires: Mastercraft Courser MXT – 275/60R17 Wheels: Stock GM wheels (2014?), 6 lug, 17 inch Miles when purchased: 223,400 (January 18, 2019) I originally bought this truck as a “farm truck” — just something to use […]

Posted bytreddellApril 19, 2020April 14, 2020Posted in1990 GMC K1500Leave a comment on The 1990 GMC K1500

Recent Posts

  • Improving Fuel Economy for a GM 4.3 TBI
  • The non-GMT400 Truck
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  • The 1990 GMC K1500

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