- Nov 30, 2009
- Warner Robins, GA
Here's the latest analysis on my Ram 1500. Looks like it liked the Mobil 1 5w-30 a little bit better than the Pennzoil 5w-20. This is actually the 2nd 1yr interval on 5w-30 I had the kit and forgot to collect the sample on the last oil change.. What do you all think?