It was time to change the oil, which meant it was time to ask a question: Which oil should we use?
On a newer car, the answer can typically be found in the owner’s manual. While the book for our 1984 Porsche 911 Carrera lists an oil spec, the world has changed a bit since it came out, …
I will take "Green motor oil" for 100 please.
What is PennGrade motor oils?
I have forgotton the brand name in the past even though I sold many, many cases while I worked at a Porsche dealership back in the day.
Wait, there it is on PennGrade's history page. Kendall GT1.
You'll need to log in to post.
