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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. 350 won't heat up

    • 4 replies
    • 932 views
    • 9 replies
    • 1.2k views
    • 20 replies
    • 2.9k views
    • 0 replies
    • 209 views
  2. Drum brake springs

    • 2 replies
    • 234 views
  3. 87 K1500 Step Side

    • 1 reply
    • 324 views
    • 1 reply
    • 251 views
    • 1 reply
    • 363 views
    • 1 reply
    • 439 views
  4. 1978 k10 Survivor

    • 14 replies
    • 1.5k views
    • 1 reply
    • 1.1k views
    • 3 replies
    • 413 views
  5. Engine swap

    • 0 replies
    • 354 views
    • 0 replies
    • 210 views
    • 0 replies
    • 278 views
  6. Wiring diagrams

    • 1 reply
    • 244 views
  7. 6.0 swap

    • 5 replies
    • 486 views
    • 0 replies
    • 182 views
  8. No Factory installed GPS

    • 0 replies
    • 294 views
    • 1 reply
    • 581 views
    • 0 replies
    • 245 views
  9. 83 1/2 ton rust problems/build

    • 2 replies
    • 525 views
    • 1 reply
    • 301 views
  10. NO POWER

    • 4 replies
    • 256 views
  11. Clutch linkage

    • 1 reply
    • 461 views


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