Oil!

[Pancho]

Threads like this never go anywhere. Every car owner has their mind set on what is best for their engines. There is no right and wrong, but there are some shit you need to stay away from, that is; I speak of Royal Purple.

I use whats recommended for my car nothing else..

 

[BiG MiKE]

Mobil 1 Full Sythetic 10W30 with KNN or Mobil1 filter - Rebuilt SR20 Makin ~340rwhp no problems

 

[flip3d]

15w40 Rotella

 

[ZoomKx]

Mobil 1 conventional oil 10w30 in a ka

 

[Bryan]

mobil 1 15w50 on a daily driven SR20

 

[JS]

Looks like rotella wins lol.

---------- Post added at 10:00 PM ---------- Previous post was at 09:58 PM ----------

Mobil 1 Full Sythetic 10W30 with KNN or Mobil1 filter - Rebuilt SR20 Makin ~340rwhp no problems

^Yea freshly rebuilt your good with 10w30, but even then I would still rock rotella personally haha.