1966 GMC C2500

250ci I6•RWD•MANUAL•gas

5-Year Cost of Ownership

$6,721 maintenance + likely wear

~$1,344/yr · 110¢/mile equivalent

Compare this engine

292ci I6

307ci V8

350ci V8

MOST COMMON JOBS8 jobs that 80% of techs look up

554 jobs across 18 categories

body (35)

brakes (41)

cooling (22)

drivetrain (36)

electrical (77)

emissions (1)

Oxygen Sensor Replacement
emissions

engine (66)

exhaust (25)

fuel (20)

fuel-system (9)

hvac (23)

ignition (16)

interior (24)

maintenance (33)

misc (2)

steering (26)

suspension (54)

transmission (44)

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Units

144 torque specs across 12 categories

brakes (23)

cooling (18)

drivetrain (17)

electrical (12)

engine (38)

exhaust (2)

fuel (4)

hvac (5)

ignition (3)

steering (8)

suspension (11)

transmission (3)

No fluid specs for this vehicle.

No DTC data for this vehicle.

BCI Group 24

Lead AcidOEM

estimated

500 CCA

Cold Cranking Amps

70 Ah

Amp Hours

120 min

Reserve Capacity

12V

Voltage

TerminalTop Post

PolarityLeft Positive

Dimensions10.25" × 6.81" × 8.88"

🛒 Cross-references (buy at any parts store)

Fitment notes: Standard top post terminals for 1966 model year; side post terminals not introduced until 1970s

33 maintenance items across 1 category

maintenance (33)

No waveform references for this vehicle.

No NHTSA recalls on file for this vehicle.

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.

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