Open Labor Project
☰
💙
Support
🩺
Diagnose
🔎
VIN
🛠️
Repairs
📚
Specs
▾
⚠️
Recalls
⚖️
Compare
🏆
Rankings
🚨
Neutral
🌧️
Wipers
✨
What's New
🇺🇸 US
🌍 Intl
🔧
The Diag Desk
Real humans
🧪
Myth Lab
Busted
{}
API
Plans
ShopBase
Shop Management · $249/mo
💙
Support
← GMC
GMC 2500 Series
7 generations · 19 engine options · data across all years of the 2500 Series platform.
8,765
Labor times
2,603
Torque specs
0
DTC codes
0
Repair procedures
152
Fluid specs
0
Open recalls
5-Year Cost of Ownership · 1966 283ci V8
$6,384
~$1,277/yr maintenance labor at $150/hr. Other engines/years vary — pick a generation below to see its breakdown.
Generations & engine options
1966
3 engine options
283ci V8
RWD
305 cu in (5.0L) V6
RWD
327ci V8
RWD
1965
3 engine options
261ci I6
RWD
305 cu in (5.0L) V6
RWD
327ci V8
RWD
1964
3 engine options
283ci V8
RWD
305 cu in (5.0L) V6
RWD
327ci V8
RWD
1963
3 engine options
283ci V8
RWD
305 cu in (5.0L) V6
RWD
327ci V8
RWD
1962
3 engine options
283ci V8
RWD
305 cu in (5.0L) V6
RWD
327ci V8
RWD
1961
2 engine options
283ci V8
RWD
305 cu in (5.0L) V6
RWD
1960
2 engine options
261ci I6
RWD
305 cu in (5.0L) V6
RWD
Become a Founding Sponsor
Your name on every GMC 2500 Series procedure
For $99, we generate the full step-by-step repair set for the 1966 283ci V8 — free for everyone, forever, with your name on it.
Sponsor — $99 →
⚖️ Compare the 2500 Series to another vehicle →