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1987 GMC R3500

The story

I had always wanted a bagged Squarebody Dually since high school. Back in 2017 I found this R35 on Marketplace out in Cosby Tennessee. It was an old farm truck that was no longer used "hopefully the previous owners don't see what I did to it ๐Ÿ˜…". I was brand new to air suspension and made quite a few bad decisions while building it. My good friend Josh let me use his family shop to work on it, and his dad taught me how to weld while I built it. I designed the C notch in fusion 360 and had it cut out of 1/4" steel plating. I am thankful that Stewart, the previous owner of Team High Voltage, let me use his plasma table for it. I was already into large audio builds prior to buying the truck so I decided to combine both hobbies. After bagging it, I built the B-Pillar wall out of birch and steel "because having a two seater 20ft dually is a great idea ๐Ÿ˜…". My future plan is to get a camper top and build a 4th-order bandpass box through the back window so I can have my back seats back. I appreciate all of the friends that helped me with the truck over the years and I plan to have it for life ๐ŸคŸ.

Current mods

13 parts installed
WheelsAccuride Freightliner24 x 8 +168
TiresN/A N/A295/35 R24
SuspensionSlammedSpecialties, Firestone, SMC, AVS N/AAir Suspension
GM 4L80ETransmission
Flowmaster Super 40sMuffler

Updates

  1. CodyB started this build

    5/29/2026
    Accuride Freightliner ยท 24 x 8 +168N/A N/A ยท 295/35 R24SlammedSpecialties, Firestone, SMC, AVS N/AJeep Grand Cherokee SeatsN/A Custom Billet Steering WheemChevy 2020 Silverado Center ConsoleGM 4L80EFlowmaster Super 40sFirestone Triple Bellow Airspring - Rear BagsSlammed Specialies SS7 - Front bagsSMC 3/8" ValvesThorbros Custom Axle KitVIAIR 444C

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