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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.

259 topics in this forum

  1. 1987 Silverado project 1 2 3 4 6

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    • 25 replies
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    • 21 replies
    • 2,210 views
  2. Tranny problems 1 2

    • 19 replies
    • 205 views
    • 19 replies
    • 366 views
  3. Mufflers for 87 silverado 1 2

    • 17 replies
    • 1,907 views
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    • 3,706 views
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    • 3,153 views
  4. No fuel 1 2

    • 16 replies
    • 191 views
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    • 13 replies
    • 1,731 views
    • 12 replies
    • 1,773 views
  5. question on 77-87 K2500

    • 12 replies
    • 2,692 views
    • 12 replies
    • 8,017 views
  6. 1986 chevy c10

    • 11 replies
    • 1,096 views
  7. Bonanza/Royal Sierra

    • 10 replies
    • 33,592 views
    • 10 replies
    • 398 views
  8. 76 chevy battery drain

    • 10 replies
    • 1,062 views
    • 10 replies
    • 1,407 views
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