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I'm cold storing my GDI turbo car for the winter, I've done all the other stuff like tires, tender etc, but our gov recently switched to mandated E10 in all fuel so I can't get ethanol free anywhere. I filled the tank with E10 shell 91 V power (highest ethanol here), do I need to use a fuel...

Was having boost knock in my 2003 JDM Subaru and wanted to make sure it wasn't the tune since it's been an issue for a while. The easiest way to rule this out was to drastically increase the octane rating since I'm tuned for 91. I grabbed what I thought was octanium unleaded but after using the...

I know I just made a thread but it was focused on my current oil (Motul X-Clean EFE 5w30) and I had decided it was adequate based on the replies but some conversations in the track group on FB made me skeptical again because of the lack of an SP or higher rating meaning I'm lacking the LSPI and...

Vehicle is a 2021 Veloster N 2.0t I'm too far down the rabbit hole to make my own decision anymore and I'm pretty lost in the sauce. I'm currently running Motul X-Clean efe 5w30, I noticed the manual says API SP OR ACEA C2 (X-Clean is a c2/c3) and I drive it fairly hard, nothing crazy but I do...

So I'm a bit confused by all this. I have a Veloster N that I want to avoid LSPI on however I'm currently using Motul 8100 X-Clean EFE which is listed as API SN but also Dexos2 which from my reading is apparently equivalent to API SP? My biggest concern is LSPI Am I missing something here? My...