1973-1987 Chevrolet & GMC Square Body / Rounded Line Pickups

382 topics in this forum

1. Sloppy STeering

   By Mike Green, August 25, 2019
   • 0 replies
   • 1.1k views
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   • Mike Green
   • August 25, 2019

2. LED front and rear light bulbs

   By Dan Brown, October 31, 2020
   • 0 replies
   • 2.5k views
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   • Dan Brown
   • October 31, 2020

3. 1987 Chevy R20 6V53T Detroit engine swap

   By Gabriel Carriere, November 9, 2023
   • 0 replies
   • 1.3k views
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   • Gabriel Carriere
   • November 9, 2023

4. Square Body Beast

   By dieselfan1, March 3, 2020
   • 0 replies
   • 764 views
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   • dieselfan1
   • March 3, 2020

5. A true Frankenstein truck

   By Frankenstein6, June 29, 2020
   • 0 replies
   • 1.3k views
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   • Frankenstein6
   • June 29, 2020

6. clutch recomendations

   By 78gmc1ton, July 22, 2015
   • 0 replies
   • 964 views
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   • 78gmc1ton
   • July 22, 2015

7. Looking for 1970s Chevy 350 truck

   By Randy Sales, April 28, 2023
   • 0 replies
   • 1.5k views
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   • Randy Sales
   • April 28, 2023

8. starter wiring

   By mudslinging74, September 24, 2015
   • 0 replies
   • 2.5k views
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   • mudslinging74
   • September 24, 2015

9. Rod Bearings

   By disenfranchised01, February 22, 2015
   • 0 replies
   • 1.3k views
   • 
   • disenfranchised01
   • February 22, 2015

10. 1978 Grille Mounts - Available?

    By mark97213, August 21, 2020
    • 0 replies
    • 1.3k views
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    • mark97213
    • August 21, 2020

11. Cluster issues?

    By Huskers, May 4, 2020
    • 0 replies
    • 1.9k views
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    • Huskers
    • May 4, 2020

12. Loud Engine Knock While Accelerating

    By ArcticCatIV, August 31, 2021   

    • Suburban
    • 1987
    • (and 1 more)

      Tagged with:

      • Suburban
      • 1987
      • knocking
    • 0 replies
    • 3.4k views
    • 
    • ArcticCatIV
    • August 31, 2021

13. 81 Speedometer Transdcuer's - Keep burning up

    By mark97213, April 25, 2019   

    • speedometer
    • speedometer transducer
    • (and 3 more)

      Tagged with:

      • speedometer
      • speedometer transducer
      • cruise control
      • cruise control transducer
      • speedometer cable
    • 0 replies
    • 877 views
    • 
    • mark97213
    • April 25, 2019

14. Parts for sale

    By redhot1.4, July 21, 2016
    • 0 replies
    • 1.1k views
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    • redhot1.4
    • July 21, 2016

15. vapor canister full of fuel

    By lanky86, November 13, 2016
    • 0 replies
    • 1.3k views
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    • lanky86
    • November 13, 2016

16. I bought a 1978 GMC Sierra Grande and I need help!

    By dalexa9892, April 7, 2023
    • 0 replies
    • 1.9k views
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    • dalexa9892
    • April 7, 2023

17. Throwback Tuesday

    By revrnd, October 21, 2025
    • 0 replies
    • 200 views
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    • revrnd
    • October 21, 2025

18. 4x4 in reverse noise

    By danran87, September 8, 2016
    • 0 replies
    • 1.1k views
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    • danran87
    • September 8, 2016

19. 5 speed trans

    By apes, October 16, 2020
    • 0 replies
    • 1.3k views
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    • apes
    • October 16, 2020

20. Surging at a stop

    By Michael Gonsalves, January 27, 2016
    • 0 replies
    • 1.2k views
    • 
    • Michael Gonsalves
    • January 27, 2016

21. 1979 camper special

    By gstanyer2009, July 8, 2020
    • 0 replies
    • 1.3k views
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    • gstanyer2009
    • July 8, 2020

22. 1990 to 86 covert help!!!

    By chevy504, March 5, 2012
    • 0 replies
    • 925 views
    • 
    • chevy504
    • March 5, 2012

23. Transfer case issue I think

    By Eric Green, July 30, 2020   

    • transfer
    • case
    • 0 replies
    • 1.6k views
    • 
    • Eric Green
    • July 30, 2020

24. Replacing a 1-ton rear end

    By Jhhl, February 6, 2023
    • 0 replies
    • 1.7k views
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    • Jhhl
    • February 6, 2023

25. Trans Question

    By metallica701, November 28, 2016
    • 0 replies
    • 1.1k views
    • 
    • metallica701
    • November 28, 2016