Fluid · Coolant
Coolant
for 1961 GMC Panel 305 cu in (5.0L) GMC V6 · RWD
Fluid Type
ethylene glycol 50/50 green
Spec: conventional silicate-based
Capacity
18qt
17.03 L
Drain & Refill
15 qt
14.19 L
Change Interval
24,000 mi
38,616 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
261ci I6. Slightly larger capacity than 230ci. System includes block, radiator, heater core