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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.

284 topics in this forum

  1. No Factory installed GPS

    • 0 replies
    • 42 views
  2. Need front driveshaft bolts

    • 1 reply
    • 38 views
    • 0 replies
    • 36 views
    • 0 replies
    • 49 views
    • 0 replies
    • 39 views
  3. 83 1/2 ton rust problems/build

    • 2 replies
    • 152 views
    • 1 reply
    • 59 views
    • 26 replies
    • 3,685 views
  4. NO POWER

    • 4 replies
    • 75 views
    • 1 reply
    • 81 views
  5. Vapor lock?

    • 2 replies
    • 60 views
  6. Power to fuel pump

    • 1 reply
    • 71 views
    • 25 replies
    • 653 views
  7. 79 K10 EFI options

    • 2 replies
    • 98 views
  8. 1981 C10

    • 6 replies
    • 158 views
  9. NEW MEMBER

    • 0 replies
    • 98 views
  10. 1978 Sierra Classic

    • 1 reply
    • 114 views
  11. 76 C10 Stepside

    • 2 replies
    • 240 views
  12. No fuel 1 2

    • 18 replies
    • 386 views
    • 1 reply
    • 114 views
  13. 1978 GMC Royal Sierra

    • 3 replies
    • 215 views
    • 3 replies
    • 142 views
    • 1 reply
    • 123 views
    • 2 replies
    • 105 views
  14. Longer legs

    • 0 replies
    • 132 views


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