View Poll Results: ROYAL PURPLE OR MOBIL 1
ROYAL PURPLE
![](https://ls1tech.com/forums/images/polls/bar2-l.gif)
![](https://ls1tech.com/forums/images/polls/bar2.gif)
![](https://ls1tech.com/forums/images/polls/bar2-r.gif)
![](https://ls1tech.com/forums/clear.gif)
164
31.24%
MOBIL 1
![](https://ls1tech.com/forums/images/polls/bar3-l.gif)
![](https://ls1tech.com/forums/images/polls/bar3.gif)
![](https://ls1tech.com/forums/images/polls/bar3-r.gif)
![](https://ls1tech.com/forums/clear.gif)
361
68.76%
Voters: 525. You may not vote on this poll
Royal Purple Or Mobil 1
#142
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
I'm due for an oil change soon (a few weeks from now). The car was running Mobil 5w-30. I've been noticing alot of people using the German Castrol Synthetic 0w-30. Is it that good and if so is their any documented proof (lab test results) versus the other brands??
Thanks
Thanks