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1973-1987 Chevrolet & GMC Square Body / Rounded Line Pickups

General and technical discussion for 1973 through 1987 Chevrolet and GMC pickup trucks. These years were otherwise known as "square body" pickups, although GM officially called them "rounded line" designs. Parts wanted and for sale encouraged.

283 topics in this forum

  1. '75 Fuel Troubles

    • 6 replies
    • 1,105 views
    • 3 replies
    • 210 views
    • 7 replies
    • 1,033 views
    • 3 replies
    • 134 views
    • 4 replies
    • 1,096 views
    • 1 reply
    • 1,327 views
  2. 1977 C10 Engine Swap

    • 0 replies
    • 1,057 views
  3. 1977 chevy c10

    • 5 replies
    • 460 views
    • 3 replies
    • 646 views
    • 0 replies
    • 781 views
    • 3 replies
    • 247 views
  4. 1978 GMC Royal Sierra

    • 3 replies
    • 208 views
    • 6 replies
    • 1,837 views
    • 7 replies
    • 788 views
  5. 1978 Sierra Classic

    • 1 reply
    • 107 views
    • 1 reply
    • 268 views
    • 4 replies
    • 1,078 views
    • 8 replies
    • 1,178 views
    • 0 replies
    • 1,407 views
  6. 1979 Gmc 3/4 Ton

    • 0 replies
    • 924 views
    • 0 replies
    • 1,729 views
  7. 1979 GMC Crew Cab

    • 1 reply
    • 1,814 views
    • 2 replies
    • 664 views
    • 1 reply
    • 116 views
  8. 1979 scottsdale

    • 1 reply
    • 420 views


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