1985

  1. M

    First Time Square Body Owner

    Hello all. Name is Matthew and was given this forum link by a friend and decided to join. Recently inherited a 1985 GMC K1500 from my Grandfather & was told to show it off here as some would appreciate seeing it. He rescued the truck from a junkyard outside of Belton, Texas and spent his last...
  2. DumperSquarebody

    Somebody help a newbie!

    My truck is running rough. I’m chasing down vacuum leaks, trying to set initial timing, messing with air fuel mixture screws on the Quadrajet has no effect, going to pull the spark plugs and inspect those…. I’m hoping somebody can share some threads to just point me in the right direction of how...
  3. LSSwapped85

    New Guy (A bit late)

    Hey! My names Tyson, I recently purchased a 1985 GMC Sierra Classic with a 5.3 LS Swap. This is my second Squarebody truck I have owned (The first being a 1985 Chevy K20) and I felt the need to join here because I plan on keeping this truck for longer than 3 months. It needs some work, so follow...
  4. 85chevc30cummins

    85 crew Chummins project thread

    3 out of 4 blades on the trans cooler, just discovered after pulling condenser out.. sweeet
  5. 85chevc30cummins

    Hello from Tucson, AZ

    I’ve read posts on here for years, but finally have another square, so I’ve decided to join the group. Hope everyone is having a good day. My project is a 1985 C30 3+3 with a 12v Cummins mated to a th350 with a gear vendor. Still running the 410s and 16” tires. Currently working on getting A/C...
  6. M

    Belltech 4/6 Lowering kit with air bags for towing

    Hey guys, I have an 85 c10 short step-side and am doing a 6'' drop, axle flip with belltechs c-notch. I want to be able to tow with my truck still. Has anyone here fabricated anything or know of a kit to run air bags with this set up? Thanks!
  7. I

    84 GMC 1500, Air Conditioning questions.

    I acquired an 84 GMC 1500, which was a project that is literally 96% complete. The truck runs great, has a late model Late Model Vortec / Cenerbolt Head 350, Rowdy Comp Cam, Street Warrior Intake, Edelbrock Carb, Aluminum Headers w/ Lock Bolts, 700R4 Overdrive Automatic Trans, 2500 Stall, a...

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