# Post ur Oil and Filter here!!! **URL:** \ **Category:** SON240sx Automotive\ **Created:** [December 24, 2008, 12:21am UTC](https://forums.speedlife.net/t/post-ur-oil-and-filter-here/120742 "2008-12-24T00:21:19Z")\ **Posts on this page:** 1\ **Showing post:** 50
**Author:** ![roast](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/roast/32/5498_2.png) [@roast](https://forums.speedlife.net/u/roast)\ **Post date:** [December 26, 2008, 6:22am UTC](https://forums.speedlife.net/t/post-ur-oil-and-filter-here/120742/50 "2008-12-26T06:22:23Z")
> [@"DONKS"](https://forums.speedlife.net/t/donks/19640/17): > > I did a who shitload of research on oils before i decided which to use in my car. > > Its in an all aluminum V8 (LS1), but im guessing it would be just as good for any other motor also. > > Heres my findings: > Mobil 1 Synthetics - Stain the internals. After 20k miles of this sh!t in my truck (iron V8, but i see it on all aluminum engines i see) the crank, rods, block etc all come out with a nasty brown tint on them. > > Castrol 0w30 - The german stuff (it says made in germany on the back, the US stuff is no good) is amazing. I picked up 6rwhp in my v8 with it. Its a yellow-green coloured oil, its down right amazing. 15k with it, id never use another oil again. Came out clean on all 5 changes, motor feels like it revs up easier etc. I use it with a Fram synthetic filter. GC 0w30 took The Internets by storm and people have been jumping on it like gangbusters. What motor do you use it in, I don’t want some KA/SR/CA/RB fanboy thinking it’s a good for our engines, if it isn’t … --- _[View the full topic](https://forums.speedlife.net/t/post-ur-oil-and-filter-here/120742)._