I have a turbo d16y8 at 8lbs pushing about 200whp....I have been running Mobil 1 10w-30 in it for over 8 months. The car runs great and the oil holds up. The oil concern I have with 10w-30 is the high oil pressure at startup. I always warm up my car for about 2 mins and cool it down via timer for 1 min.
Alot of articles I have been reading have been recommending 5w-40 as a great oil for turbo cars, providing protection as well as withstanding heat in higher rpms...I am thinking about trying it out and seeing how it compares. I expect to gain some mpg as well as seeing lower oil pressure at startup......I ran Mobil 5w-30 for about 2 years and 10w-30 for 8 months being on boost. I think I will try Castrol 5w-40. Any feedback?

 

I'd run 10W-40

 

Try German Castrol 0W-30, or any quality synthetic 5W-30. There's really no need to go with a 40 weight.

 

I run 10w 30. Honda recommends 5w30 in there cars, doesnt matter if its turbo or not.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Luserkid &raquo;</TD></TR><TR><TD CLASS="quote">I run 10w 30. Honda recommends 5w30 in there cars, doesnt matter if its turbo or not. </TD></TR></TABLE>
thats what i would do too

 

Everyone that I know who's turbod personally have used 10W-40 with great success, so that's what I recommend.