Read what it says on the OIL filler cap....
Remove engine oil pan
Underneath the engine block.
Bstuff.com should have the info you are looking for.
Front of the engine, about half-way down, facing the radiator.
Should be listed on the oil cap and in your owner's manual. I think you will find it is 5w30.
oil is thinner when its hot, that's why.
oil leaks
Underside, near oil pan.
oil is thinner when its hot, that's why.
5W-30 is the oil recommended according to the information listed on my oil filler cap.
5w30 unless you leak massive amounts of oil, then I would put 10w30.
A 96 Chevy Beretta Z26 has a 3100 V6 engine. The oil drain is located on the bottom of the oil pan, on a slight angle pointing down and towards the rear.