5
SAE 10w30
10w-30 in either synthetic or regular oil will work fine.
5. pontiacs are not big or small blocks though. all v8's from 64 thru 79 were the same size externally.
5 quarts, 6 with a new oil filter.
Most Pontiacs take close to 6 quarts with a filter change.
yamalube 10w30
The oil capacity of a 1995 Honda Foreman 400 is about 1 quart. The oil weight should be 10w-40. The oil will need to be ATV or Motorcycle oil.
what year GTO?, need more information to answer your question.
20w50
6.5 quarts of oil
It's on the bottom of the oil pan.