Fluid · Engine Oil
Engine Oil
for 1968 GMC K2500 307ci V8 · 4WD
Fluid Type
10W-30 or 10W-40 conventional
Spec: API MS (Motor Severe)
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Notes
With filter. 1968 spec called for single-grade 30W in warm climates or multi-grade 10W-30
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