GM Square Body - 1973 - 1987 GM Truck Forum

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  Engine oil lines.

  • Latest: BryanS
  • 9 minutes ago

  Engine & Performance
• A

  taillight issue on my wife's harp-mobile

  • Latest: AaronW
  • 13 minutes ago

  Other Vehicles
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  Dually Rims

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  • 43 minutes ago

  Wheels and Tires
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  New to the square body scene

  • Latest: legopnuematic
  • 51 minutes ago

  Introduction
• 

  Help! My coolant temp heats up fast in idle or slow-moving traffic (around 210F+) then decreases when I start driving (around 170F-190)

  • Latest: Broken85
  • Today at 5:33 PM

  Engine & Performance

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