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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.

268 topics in this forum

  1. No fuel 1 2

    • 18 replies
    • 295 views
    • 1 reply
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  2. 1978 GMC Royal Sierra

    • 3 replies
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    • 1 reply
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    • 2 replies
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  3. Longer legs

    • 0 replies
    • 73 views
  4. 4l80e

    • 2 replies
    • 99 views
  5. Tranny problems 1 2

    • 20 replies
    • 329 views
  6. Starting problems

    • 2 replies
    • 87 views
    • 1 reply
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    • 5 replies
    • 231 views


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