- Oct 8, 2006
- Oshawa, Ont. Canada
I was just reading about Valvoline being an excellent cleaning oil or an oil that doesn't leave a lot of deposits, and rather than hijacking that post, it got me wondering, as I have read/heard that Pennzoil oils are known to be the best in that regard, if there is any data/proof of which one, including other oils, that are also excellent cleaners that are backed by actual real proof? I have never used Valvoline and personally don't see a reason too as I prefer Pennzoil (personal choice) but I would like to know how these, and other oils, stack up against one another as far as cleaning goes? Is the playing field to diverse to conclusively say one is better than the other or is there actual data that conclusively proves, without a doubt, that "A" cleans better than "B" and so on?