Proper Oil For Classic Car
I know oil use has been an issue for quite some time but I need to ask again. I have to change the oil on my wife's 1923 Rolls-Royce 20 and her 1925 Pierce-Arrow Series 80. The last time I changed the oil I used off the shelf 10W-30 but I may not be using the right oil. Other than the oil the Classic Car Club or Hemmings sells is there an off the shelf, store bought brand that would be suitable for these cars? I am in a more or less rural area with few stores for oil (other than Farm and Fleet u
Carl,
The ZDDP comments were put in a post back in 2011 and I found that post is no longer available since the site upgrade but, like other long winded posts of mine, I usually write them in Word then paste into the forum so I don't lose my work. After a little searching I found what I was referring to and pasted it below. One thing I would like to make clear is that my conclusions are my own, based on published works. Although I work for GM, I am not representing the company in my commen