Saving a 1999 GMC From The Scrapyard.. Maybe? Part 1

Project Lowbrow starts exactly where it probably shouldn’t.

I just bought this 1999 GMC Sierra as my new project truck, but the rust is worse than I thought. In this episode, we do a full walkaround to see if this restoration is even possible

Before tearing anything apart or spending real money, this video is about slowing down and figuring out what I actually have — and whether this truck deserves to live again… or becomes a donor platform for something else entirely.

This is not a polished build series.
It’s a decision-making series — and I’m fairly certain I need adult supervision when making those decisions.

Based on the factory RPO codes, this truck originally came equipped with:

⚙️ Powertrain & Drivetrain
L31 – 5.7L Vortec V8 (350ci)
MW3 – 4L80-E heavy-duty automatic transmission
GT5 – 4.10 rear axle ratio
G80 – Locking rear differential (Gov-Lok)
KNP – Auxiliary transmission oil cooler
Z82 – Factory trailering package

🪓 Axles, Suspension & Chassis
C6W – 8600 lb GVWR heavy-duty chassis
F60 – Heavy-duty front suspension
F63 – Heavy-duty rear suspension
RO4 – Four-wheel drive (4×4)
Z88 – Heavy-duty chassis equipment
V43 – Front recovery hooks

🛑 Brakes, Wheels & Tires
JB8 – Four-wheel heavy-duty brakes
N92 – 8-lug steel wheels
Q05 – LT-rated truck tires

❄️ Cooling & Electrical
KC4 – Engine oil cooler
C60 – Air conditioning
TP5 – Heavy-duty battery
6GK / 7GK – High-output alternator / electrical package

🧠 Interior & Convenience
A52 – Split bench seat
AK5 – Tilt steering column
K34 – Cruise control
U05 – Instrument panel clock
U8624 – AM/FM radio (fleet-spec)

🎨 Exterior & Trim
B85 – Bodyside molding
V02 – Front chrome bumper
V22 – Rear chrome bumper
13V – White exterior paint
BC / CC / YHH / ZHH – Interior trim and color codes

Come see what is Franking Around in Project Lowbrow.
The Finding Out has already started.

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