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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.

333 topics in this forum

  1. Brass radiator tank replacement

    By d9gdon,
    • 0 replies
    • 16 views

  3. Wheel cylinders 77 C10

    By Benjamin Peter Trout,
    • 1 reply
    • 63 views

  4. 1987 R30 Engine and Induction Swap

    By wazzadakka94,
    • 0 replies
    • 94 views

  5. 1988 Chev G20 van problems

    By James O'Byrne,
    • 1 reply
    • 98 views

  6. 1986 emission removal

    By kentrx1,
    • 2 replies
    • 149 views

  7. LED front and rear light bulbs

    By Dan Brown,
    • 0 replies
    • 116 views

  8. 5 speed trans

    By apes,
    • 0 replies
    • 69 views

  9. 1987 Chevy R10 1/2 ton lower control arms

    By Plumbermik,   
    • 1 reply
    • 190 views

  10. 1990 Suburban 3rd row seating

    By 426ted,
    • 1 reply
    • 1,341 views

  11. Concerns on my new project.

    By Tony B.,   
    • 2 replies
    • 267 views

  12. 1986 GMC K3500 4X4 454 GAS stalls and won't start for 30 mins

    By ngodline12,
    • 7 replies
    • 278 views

  13. Help!!

    By bobby.greenjr78,
    • 3 replies
    • 136 views

  14. fuel problems

    By Amps1956,
    • 4 replies
    • 180 views

  15. 1983 chevy pickup and introduction 1 2

    By maxmamo,
    • 26 replies
    • 624 views

  16. Help with CCC Quadrajet

    By mlkcrtnz,
    • 0 replies
    • 88 views

  17. 1978 Grille Mounts - Available?

    By mark97213,
    • 0 replies
    • 149 views

  18. Transfer case issue I think

    By Eric Green,   
    • 0 replies
    • 196 views

  19. Power loss to ignition no gauges radio nothing

    By Shofoo,
    • 1 reply
    • 176 views

  20. Need help

    By 2011035,
    • 1 reply
    • 169 views

  21. Gas tank selector valve 1978 Chevy

    By Stan Boates,
    • 3 replies
    • 691 views

  22. 84' K10 Engine & Tranny Swap Help

    By Cro2196,
    • 0 replies
    • 193 views

  23. 1979 camper special

    By gstanyer2009,
    • 0 replies
    • 199 views

  24. 1983 rear cross sills Fleet-side

    By lzhunt,
    • 1 reply
    • 221 views

  25. A true Frankenstein truck

    By Frankenstein6,
    • 0 replies
    • 231 views

  26. help

    By Greg Grant,
    • 0 replies
    • 127 views


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