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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.


347 topics in this forum

  1. Vapor lock?

    • 2 replies
    • 759 views
  2. Power to fuel pump

    • 1 reply
    • 342 views
    • 25 replies
    • 1.5k views
  3. 79 K10 EFI options

    • 2 replies
    • 393 views
  4. 1981 C10

    • 6 replies
    • 383 views
  5. NEW MEMBER

    • 0 replies
    • 462 views
  6. 1978 Sierra Classic

    • 1 reply
    • 324 views
  7. 76 C10 Stepside

    • 2 replies
    • 866 views
  8. No fuel 1 2

    • 18 replies
    • 1.2k views
    • 1 reply
    • 230 views
  9. 1978 GMC Royal Sierra

    • 3 replies
    • 1.3k views
    • 3 replies
    • 1.1k views
    • 1 reply
    • 538 views
    • 2 replies
    • 985 views
  10. Longer legs

    • 0 replies
    • 240 views
  11. 4l80e

    • 2 replies
    • 313 views
  12. Tranny problems 1 2

    • 20 replies
    • 1.1k views
  13. Starting problems

    • 2 replies
    • 272 views
    • 1 reply
    • 2k views
    • 0 replies
    • 199 views
    • 1 reply
    • 751 views
  14. Sloppy STeering

    • 0 replies
    • 452 views
    • 3 replies
    • 431 views
  15. CUCV?

    • 3 replies
    • 330 views
    • 0 replies
    • 3k views


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