Free API
NEW
Maintenance Schedules API
factory intervals for 35,000+ vehicles, with what is due at your mileage
◆
Labor Times
flat-rate hours by vehicle and job
◆
Torque Specs
fastener specs by engine
◆
Fluid Specs
capacities and OEM approvals
◆
Battery Specs
group size, CCA, cross-references
◆
Filter Specs
oil, air and cabin filter part numbers
◆
Wiper Specs
blade sizes and part numbers
◆
DTC Codes
generic and make-specific trouble codes
◆
VIN Decode
pass a VIN to any endpoint
◆
Get a free API key
30 seconds, no card
◆
NEW
Maintenance Schedules API
factory intervals for 35,000+ vehicles, with what is due at your mileage
◆
Labor Times
flat-rate hours by vehicle and job
◆
Torque Specs
fastener specs by engine
◆
Fluid Specs
capacities and OEM approvals
◆
Battery Specs
group size, CCA, cross-references
◆
Filter Specs
oil, air and cabin filter part numbers
◆
Wiper Specs
blade sizes and part numbers
◆
DTC Codes
generic and make-specific trouble codes
◆
VIN Decode
pass a VIN to any endpoint
◆
Get a free API key
30 seconds, no card
◆
✕
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 Panel
12 generations · 41 engine options · data across all years of the Panel platform.
18,476
Labor times
5,514
Torque specs
0
DTC codes
0
Repair procedures
287
Fluid specs
0
Open recalls
5-Year Cost of Ownership · 1966 230ci I6
$6,454
~$1,291/yr maintenance labor at $150/hr. Other engines/years vary — pick a generation below to see its breakdown.
Generations & engine options
1966
4 engine options
230ci I6
RWD
261ci I6
RWD
305 cu in (5.0L) GMC V6
RWD
327ci V8
RWD
1965
4 engine options
230ci I6
RWD
261ci I6
RWD
283ci V8
RWD
305 cu in (5.0L) GMC V6
RWD
1964
4 engine options
230ci I6
RWD
261ci I6
RWD
305 cu in (5.0L) GMC V6
RWD
327ci V8
RWD
1963
4 engine options
230ci I6
RWD
261ci I6
RWD
305 cu in (5.0L) GMC V6
RWD
327ci V8
RWD
1962
4 engine options
230ci I6
RWD
261ci I6
RWD
283ci V8
RWD
305 cu in (5.0L) GMC V6
RWD
1961
3 engine options
230ci I6
RWD
283ci V8
RWD
305 cu in (5.0L) GMC V6
RWD
1960
3 engine options
261ci I6
RWD
283ci V8
RWD
305 cu in (5.0L) GMC V6
RWD
1959
3 engine options
248ci I6
RWD
270ci I6
RWD
302ci V6
RWD
1958
3 engine options
248ci I6
RWD
270ci I6
RWD
302ci V6
RWD
1957
3 engine options
270ci I6
RWD
270 cu in (4.4L) I6
RWD
302ci V6
RWD
1956
3 engine options
248ci I6
RWD
270ci I6
RWD
287 cu in (4.7L) Pontiac-based V8
RWD
1955
3 engine options
248ci I6
RWD
270ci I6
RWD
302ci V6
RWD
Become a Founding Sponsor
Your name on every GMC Panel procedure
For $99, we generate the full step-by-step repair set for the 1966 230ci I6 — free for everyone, forever, with your name on it.
Sponsor — $99 →
⚖️ Compare the Panel to another vehicle →
Full vehicle archive