GM Square Body - 1973 - 1987 GM Truck Forum

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  Stock Cold air intake performance upgrades

  • Latest: TDoc
  • 7 minutes ago

  Engine & Performance
• R

  Oil Sample low Viscosity

  • Latest: Ricko1966
  • 17 minutes ago

  Tech Discussion
• 

  Suggestions for replacing this?

  • Latest: Grit dog
  • 18 minutes ago

  Tech Discussion
• B

  Power loss with aggressive acceleration

  • Latest: Brownie82C10
  • 33 minutes ago

  Carb Fuel Systems
• 

  What have you done to your square lately??

  • Latest: Oldbear42
  • 55 minutes ago

  Garage

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