Fluid ยท Engine Oil
Engine Oil
for 1965 GMC 1000 Series 305 cu in (5.0L) GMC V6 (305C/305D) ยท RWD
Fluid Type
SAE 10W-30 or 10W-40 conventional
Spec: API Service MS (period correct)
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Notes
With filter change. GMC inline-six engine
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases โ how we link. This never changes the specs we publish.