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

382 topics in this forum

1. 1975 chevy 400 small block RPO

   By Roberts64, March 24, 2019
   • 1 reply
   • 1.1k views
   • 
   • newdude
   • March 26, 2019

2. need info on 1983 gmc 1 ton dually

   By LoneSStar, March 10, 2016
   • 1 reply
   • 1.4k views
   • 
   • LoneSStar
   • March 10, 2016

3. 1976-78 GMC Royal Sierra

   By ericzand, May 26, 2017
   • 1 reply
   • 18.7k views
   • 
   • barry G
   • May 27, 2017

4. 78 sierra grand...whats in it??

   By richardGMCwilson, July 13, 2017
   • 1 reply
   • 1.2k views
   • 
   • ifixedit
   • July 27, 2017

5. 1984 C20 straight 6 Tranny refill

   By AbsoLucy, January 22, 2020
   • 1 reply
   • 630 views
   • 
   • GoToGuy
   • March 15, 2020

6. Kill Switch - Cigarette lighter

   By Akameriadoc, November 30, 2015   

   • security
   • 1 reply
   • 3.8k views
   • 
   • TheStig
   • December 5, 2015

7. 1985 Short bed step side 4wd production numbers

   By Red 85 GMC stepside, September 3, 2021
   • 1 reply
   • 4.7k views
   • 
   • rheck1
   • December 29, 2022

8. Pump Accelerator Won't Start without priming with fuel

   By RDV, October 30, 2019
   • 1 reply
   • 675 views
   • 
   • muddkatt
   • November 1, 2019

9. RPO Codes

   By Gremlin72, January 1, 2016   

   • rpo
   • code
   • (and 1 more)

     Tagged with:

     • rpo
     • code
     • codes
   • 1 reply
   • 7.1k views
   • 
   • RyanbabZ71
   • January 1, 2016

10. 1981 C10 Deluxe

    By Harry Blanchard, April 12, 2015
    • 1 reply
    • 1.1k views
    • 
    • gmtech4
    • April 12, 2015

11. 1979 GMC Crew Cab

    By revrnd, November 16, 2016
    • 1 reply
    • 4.9k views
    • 
    • txab
    • November 16, 2016

12. New dash an clips

    By Smitty71665, November 24, 2015
    • 0 replies
    • 1k views
    • 
    • Smitty71665
    • November 24, 2015

13. turbo400 trans

    By andrew futter, March 8, 2022
    • 0 replies
    • 1.6k views
    • 
    • andrew futter
    • March 8, 2022

14. Information about heavy GM trucks from the 70's-80's with 4x4

    By Hendrickson360, October 27, 2014
    • 0 replies
    • 1.4k views
    • 
    • Hendrickson360
    • October 27, 2014

15. Looking for rear end

    By drew.lenihan, October 5, 2015
    • 0 replies
    • 1.3k views
    • 
    • drew.lenihan
    • October 5, 2015

16. Slight miss on acceleration or low speed

    By Justin35594, May 20, 2020
    • 0 replies
    • 833 views
    • 
    • Justin35594
    • May 20, 2020

17. Radiator for a 1982 K2500

    By Logan Lanfear, November 1, 2016   

    • 1982
    • gmc
    • (and 3 more)

      Tagged with:

      • 1982
      • gmc
      • 2500
      • 4x4
      • radiator
    • 0 replies
    • 1.8k views
    • 
    • Logan Lanfear
    • November 1, 2016

18. 1987 R30 Engine and Induction Swap

    By wazzadakka94, November 20, 2020
    • 0 replies
    • 2.5k views
    • 
    • wazzadakka94
    • November 20, 2020

19. 79 C10 inline six exhaust manifold HELP!!!

    By cobi smith, March 7, 2025
    • 0 replies
    • 303 views
    • 
    • cobi smith
    • March 7, 2025

20. A/C system

    By kingbaja, August 17, 2017
    • 0 replies
    • 950 views
    • 
    • kingbaja
    • August 17, 2017

21. 83 1500 8ft bed cab and bed swap onto a 2013 1500 4wd 8foot bed chassis

    By Robnj51, September 6, 2021
    • 0 replies
    • 1.5k views
    • 
    • Robnj51
    • September 6, 2021

22. Suspension rebuild kit for 1982 K3500

    By bigblue82, December 7, 2016   

    • k3500 suspension
    • 0 replies
    • 1.1k views
    • 
    • bigblue82
    • December 7, 2016

23. Carburetor Linkage Clips

    By FishGeek, October 19, 2017
    • 0 replies
    • 730 views
    • 
    • FishGeek
    • October 19, 2017

24. Truck stalls right after starting

    By Bernier, February 9, 2020   

    • 1978 GMC Sierra classic
    • 0 replies
    • 541 views
    • 
    • Bernier
    • February 9, 2020

25. 82 Sierra transmission trouble

    By Ant kelley, July 16, 2014
    • 0 replies
    • 949 views
    • 
    • Ant kelley
    • July 16, 2014