What years are GMT 400?

GMT 400 frames were built by A.O. Smith Automotive Products, Dana Holding Corporation, and Tower Automotive. Engines included the gasoline 4.3L-V6, 5.0L-V8, 5.7L-V8, 7.4L-V8, and diesel 6.2L V8 and 6.5L V8.

Production 1986–2000
Body and chassis
Class Full size truck
Layout FR/4WD


Why are Chevy trucks called OBS?

The abbreviation OBS stands for “Old Body Style” in reference to the boxy and rugged look of trucks from the 1990s. Since enthusiasts are responsible for coining the term, the criteria for an OBS truck is rather loose. via

Whats obs mean in trucks?

What is an OBS? (Old Body Style or Original Body Style) OBS refers to Chevy C/K trucks that were manufactured by General Motors between the years 1988 and 1998. Marketed under the Chevrolet and GMC brands, the C/K series included a wide range of vehicles including a truck and two SUV models. via

What does NBS mean for trucks?

Those are also designating the body style of truck being talked about. GMT 900 would mean the same thing as NBS or new body style or current body style 07-2010" . via

What is considered a classic truck?

Antique Trucks. For the majority of enthusiasts, classic trucks are ones that are at least 20 years old. So, while Hagerty may call trucks like the GMC Syclone and Lamborghini LM002 'collector trucks' because they were made after 1980, they're both technically classic trucks. via

What year range is OBS Ford?

Ford OBS trucks stem from the 7th generation F-Series (model years 1980 to 1986). The 7th generation received a completely new chassis and body style in a complete redesign from its predecessor. via

What year did GM change from C K to R V?

For the 1987 model year, GM renamed the C/K series as the R/V series. via

Is a 20 year old truck a classic?

California describes a “classic car” as a vehicle that is at least 25 years old. via

How can I make my old truck reliable?

  • Keep your Oil clean. First off, always keep up with your recommended oil and filter change schedule.
  • Maintain alignment, balance, and rotation. Tires can wear unevenly for a number of reasons.
  • Give your truck some room to breathe.
  • Knowledge is power.
  • You get what you pay for.
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