Definitely the 1972. 5 in the crank, 1 for the filter.
As far as my experience has been, just about every Pontiac holds a total of 6 quarts with a filter change.
A Pontiac G5 holds 5 quarts of motor oil. This includes a small amount of oil stored in the oil filter and the oil pan.
The Aztek holds 5 qts of oil
5 and 1/2
How many quarts of oil does my 07 Pontiac G6 hold
Most cars hold 4 quarts of oil , plus the filter holds about a fifth quart. If you drain the oil, try adding 4 quarts and check the dipstick.
V8 holds 5 quarts Diesel holds 12 quarts
V6 holds 4.5 quarts V8 holds 5 quarts V10 holds 7 quarts Diesel holds 12 quarts
A 1996 Pontiac Bonneville requires 5.7 quarts of oil in the crankcase. The oil filter should also be changed with the oil.
4.0l holds 6 quarts 5.2l holds about 5 quarts
A 2005 Pontiac Grand Am takes 4.5 quarts of oil. As you add oil, have the vehicle parked on a flat surface.
V6 holds 4.5 quarts V8 holds 5 quarts V10 holds 7 quarts Diesel holds 12 quarts
3.9L holds 4.5 quarts 5.2/5.9L holds 5 quarts 8.0L holds 7 quarts Diesel holds 12 quarts