Fluid · Coolant
Coolant
for 1963 Buick Invicta 6.6L (401 cu in) Wildcat 445 Nailhead V8, 4-bbl, 325 hp · RWD
Fluid Type
Ethylene glycol green antifreeze 50/50
Spec: conventional silicate formula
Capacity
19qt
17.97 L
Drain & Refill
19 qt
17.97 L
Change Interval
24,000 mi
38,616 km
Data quality
Book-style estimate
Not yet expert-verified. Have the real number? Correct it below — takes 30 seconds.
Notes
Protect to -34°F with 50/50 mix