1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

GM Square Body - 1973 - 1987 GM Truck Forum

  1. Gm Square Body

    1. Site News

      Here you will find updates to GmSquareBody.com.
      31
      Threads
      1,480
      Posts
      Latest: Squarebody Down! HELP - Member Roadside Assistance Volunteer Map 87scotty, Jul 31, 2020

    2. Introduction

      Are you new? Post a little about yourself here.
      2,523
      Threads
      33,320
      Posts
      Latest: New Member 85squaredC10, Aug 13, 2020 at 10:39 PM

  2. Preferred Vendors

    1. Auto Accessories Garage

      Want to get the full potential out of your GMC C/K? At Auto Accessories Garage we have all the top name brand accessories at rock bottom prices. Click or call 800.663.1570 to learn more! www.autoaccessoriesgarage.com
      18
      Threads
      30
      Posts
      Latest: Last Minute Shoppers! We’ve Got You Covered with our Gift Promise AAG1, Dec 20, 2019

    2. CARiD.com

      Need to customize or repair your Chevy or GMC truck? Check out our selection of parts and accessories at CARiD.com, or give us a call at 800.505.3274 for professional advice. www.carid.com
      59
      Threads
      149
      Posts
      Latest: Give your dashboard a modern tough with Intellitronix Gauges Lefthand6, Aug 3, 2020

    3. CarParts.com

      We've got the largest selection of direct fit parts for your Chevy or GMC truck maintenance and repair needs. Visit CarParts.com for everyday low prices and message us in the vendor forum for expert advise.
      2
      Threads
      2
      Posts
      Latest: Top 5 Truck Bed Accessories CarParts.com, Jun 4, 2019

    4. Classic Parts of America

      Selling quality parts for your 1947-98 Chevrolet or GMC pickup, 1967-69 Camaro, 1968-72 Nova and 1968-72 Chevelle. Call 1-800-741-1678 or go online now at www.classicparts.com
      4
      Threads
      25
      Posts
      Latest: 79 250 integrated head exhaust manifold crack AuroraGirl, Apr 12, 2020

    5. Classic Truck Consoles

      2
      Threads
      16
      Posts
      Latest: Please Welcome Classic Truck Consoles to GMSb! Rusty Nail, Aug 3, 2020

    6. Gate Keeper Products

      www.GateKeeper-Products.com -GM Squarebody Decals
      3
      Threads
      28
      Posts
      Latest: GMSB Forum T-shirt Available Trent holbrook, Aug 4, 2020

    7. GotExhaust.com

      1
      Threads
      60
      Posts
      Latest: Please Welcome GotExhaust.com to the forum xylorex, Jan 31, 2016

    8. RockAuto

      140
      Threads
      460
      Posts
      Latest: Save on Shocks & Struts at RockAuto RockAuto, Jul 24, 2020

  3. '73 - '87 GM Truck Modifications

    1. The SquareBody Reference Library

      Part #s, RPO Codes, TSB's, Cast #'s, etc
      Sub-Forums: 1

      The SquareBody Reference Library

      Sub-Forums

      1. Owners Manuals

      133
      Threads
      4,260
      Posts
      Latest: Under hood vacuum lines Craig 85, Aug 13, 2020 at 7:39 PM

    2. Tech Discussion

      Discussion on anything technical or mechanical that doesn't fit in other tech categories.
      3,033
      Threads
      41,403
      Posts
      Latest: Squarebody Blazer/Jimmy. 73-75 or 76-87 better? nvrenuf, Aug 13, 2020 at 4:55 PM

    3. Suspension, Steering & Brakes

      Brake Repair, Disc Brake Conversions, Suspension Replacement, Steering & Alignment
      Sub-Forums: 3

      Suspension, Steering & Brakes

      Sub-Forums

      1. Lifted & Off-Road Systems

      2. Brakes

      3. Lowered & Street Systems

      2,345
      Threads
      27,937
      Posts
      Latest: What’s #15 mean? bucket, Aug 13, 2020 at 8:21 PM

    4. Electrical & Audio

      Electrical Accessories & Stereo Equipment.
      Sub-Forums: 3

      Electrical & Audio

      Sub-Forums

      1. Stereo & Entertainment Systems

      2. Gauge, Speedo & Instrumentation

      3. Retro-Fit & Aftermarket Accessories

      2,171
      Threads
      21,921
      Posts
      Latest: Gauge / Idle fuse on an 84 wanderinthru, Aug 13, 2020 at 6:20 PM

    5. Interior

      Trim, Seats, Consoles, Door Panels, etc.
      Sub-Forums: 2

      Interior

      Sub-Forums

      1. Heat & AC

      2. Seats

      1,386
      Threads
      15,719
      Posts
      Latest: Aftermarket a/c Joshua Keith, Aug 13, 2020 at 8:05 PM

    6. Exterior

      Tires, Wheels, Paint, Mirrors, Badges, etc.
      Sub-Forums: 4

      Exterior

      Sub-Forums

      1. Wheels and Tires

      2. Paint and Body

      3. Aftermarket Accessories

      4. Glass & Mirrors

      2,649
      Threads
      30,991
      Posts
      Latest: Fitting a 76’ Grille in my 79’? 79dentside, Aug 13, 2020 at 8:27 PM

    7. Engine & Performance

      Engines, Engine mods, Chips, Filters, etc.
      Sub-Forums: 4

      Engine & Performance

      Sub-Forums

      1. Engine Swaps (Gas) LS, Vortec, LT1 , etc.

      2. TBI & EFI Conversions

      3. Diesel 6.2, Conversions Cummins, etc.

      4. Carb Fuel Systems

      4,331
      Threads
      67,005
      Posts
      Latest: My Rear End Build For My Low Buck Street/Race Truck bucket, Aug 13, 2020 at 10:29 PM

    8. Transmission & Transfer Case

      Shift Kits, Conversions, Adapters, Twin Stick, etc
      Sub-Forums: 3

      Transmission & Transfer Case

      Sub-Forums

      1. Automatic Transmission

      2. Transfer Case

      3. Manual Transmission & Clutch

      1,805
      Threads
      21,665
      Posts
      Latest: From a 700R to a Muncie M21 or M22 or a Borg Warner T-10 Ricko1966, Aug 13, 2020 at 2:17 AM

    9. Differential & Driveline

      Front and Rear Axles, Lockers, Limited Slip, Yokes, etc
      Sub-Forums: 1

      Differential & Driveline

      Sub-Forums

      1. Front Diff & Hubs

      997
      Threads
      11,815
      Posts
      Latest: Joys of the 10 bolt RoryH19, Aug 12, 2020 at 6:36 PM

  4. General Discussion

    1. Off-Roading

      Discuss Off-Roading in your squarebody here.
      127
      Threads
      1,918
      Posts
      Latest: Warn hydraulic winch? 77 K20, Aug 9, 2020 at 11:23 AM

    2. Garage

      Discuss tools, shop safety, shop projects and Auto Detailing.
      477
      Threads
      21,411
      Posts
      Latest: What have you done to your square lately?? 80BrownK10, Aug 13, 2020 at 10:41 PM

    3. Other Vehicles

      Discuss makes and models other then the GM Square Bodies here.
      708
      Threads
      23,372
      Posts
      Latest: are we there yet project yevgenievich, Aug 13, 2020 at 8:42 PM

    4. Events

      If you know of an events or auto shows that are taking place near you, post them in here.
      108
      Threads
      1,036
      Posts
      Latest: C-10 Nationals in Maggie Valley, NC bluex, Aug 5, 2020

  5. Photo Gallery

    1. Member Photos

      Post up pics of your ride here.
      658
      Threads
      33,703
      Posts
      Latest: I Bought Another Suburban bucket, Aug 13, 2020 at 10:38 PM

    2. Member Videos

      If you have some videos of you burning out, recorded some events, or just wanted to show off your exhaust sounds, post them up here.
      142
      Threads
      1,422
      Posts
      Latest: New Video on My Youtube Channell! 1987 GMC Jimmy, Aug 11, 2020 at 9:53 PM

    3. Under Construction

      Post up your build threads here.
      Sub-Forums: 7

      Under Construction

      Sub-Forums

      1. 2wd Pick-Ups C10 C1500 R10 R1500

      2. 2wd Pick-Ups C/R 20 2500 C/R 30 3500

      3. 2wd Suburban, Blazer and Jimmy

      4. 4wd Pick-Ups K10 K1500 V10 V1500

      5. 4wd Pick-Ups K/V 20 2500 K/V 30 3500

      6. 4wd Suburban, Blazer and Jimmy

      7. G Series GM 3rd Gen 71-95 Vans, Pathfinder

      879
      Threads
      63,119
      Posts
      Latest: Old77’s 1991 GMC R3500 Crew Cab Dually Old77, Aug 13, 2020 at 10:27 PM

    4. Photoshop

      Show off your photoshop skills and post signature requests.
      34
      Threads
      485
      Posts
      Latest: BBBURB - FREE Drops Thread RoryH19, Dec 30, 2019

  6. GMSB Classifieds Forum

    1. For Sale

      Have something to sell? This is the place to do so.
      864
      Threads
      8,725
      Posts
      Latest: New Moroso HEI SquareRoot, Aug 13, 2020 at 7:06 PM

    2. Wanted

      Needing something the is not being sold in the for sale section? Post it up in here.
      597
      Threads
      4,892
      Posts
      Latest: Need a Cherokee Steering Shaft for my 85 K20 Vbb199, Aug 13, 2020 at 7:06 PM

    3. eBay & Craiglist Listings

      Are you selling something truck related on eBay or craigslist or if you see a great deal and want to share it, post it up here.
      259
      Threads
      23,770
      Posts
      Latest: Bullshit on craigslist. oldretiredafguy, Aug 13, 2020 at 8:35 PM