Fluid · Engine Oil
Engine Oil
for 1969 Plymouth GTX 426ci Hemi V8 · RWD
Fluid Type
10W-40 or 10W-30 conventional
Spec: API SE or SF
Capacity
7qt
6.62 L
Drain & Refill
6 qt
5.68 L
Change Interval
3,000 mi
4,827 km
Notes
With filter change. Hemi engines require high-zinc oil for flat tappet cam; modern oils may need ZDDP additive
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