I would not put anymore oil in it. It should only need 5 Qts or so.
With filter, 8.5 quarts
5 Qts. of motor oil ( 6 quarts with filter )
5 QTS. with new filter
5 qts with filter change
about 5 qts
3 5/8 qts with filter
5 QTS with a new oil filter.
5 qts. with oil filter
6 Qts. with filter
3.5 qts
If you are replacing both filter and engine oil, 4.3 qts.