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Thanks for the replies everyone! I ended up going with the 5w40 X-Cess The car can use either 5w30 for non-track use or 0/5w40 for track use so it should be fine according to GM.

Hey guys I need to prepare my car for the track and due an oil change tomorrow - GM calls for 0w40 or 5w40 Dexos 2 for this engine on track, the oils I could use are Motul 0w40 X-Max Motul 5w40 X-Cess Motul 5w40 X-Clean (which has Dexos 2 approval) or Castrol Edge 5w40 (also Dexos2) In terms...

I added a screenshot of telemetry from my last race showing my oil temps because I understand it sounds unreasonable 😅 During break in I used 10w60 Motul X-Power and it was a tad quieter than right before changing to 5w40. I'm not sure about the difference in 0W40 here, however we do import oil...

If I change my oil regularly, would you still recommend changing over to 5w50? Also, are 0w40s better than the 5w40 equivalent? Here is middle east (Israel). So 0-20C during winter and 20-45C during summer at most extremes. Oil temperatures, however, never pass around 105-110C even on track.

Could have a try with the 300V then, do any other oils have higher levels of moly and ZDDP from the list I provided or only the 300V? And I've seen several, they all claim it's standard when having a built engine, especially with performance camshafts and valve springs

50 Mobil 1? As in 5w50? And I use 98 RON with Meth injection.

Well I dont have Ravenol or Redline over here, only the ones I've mentioned in the OP. The oil selection here is quite poor and prices are rather expensive

I dont have Meguin or Petronas, so I can get Liqui Moly Leichtlauf High Tech, and Valvoline SynPower and Valvoline SynPower

Why would you recommend 0w40 over 5w40? And which oil from the list I wrote would you recommend most?

Do any provide more protection or additives than the Motul 8100 I currently use? And I don't feel like the ticking noise is healthy or is supposed to be that loud, and really worried the oil may be the cause of it.

Hey guys, I track a Turbo GT86/BRZ with a built engine, and Im recommended using 5W40. I currently run Motul 8100 X-Cess, but the valvetrain and engine is extremely noisy. We don't have too many available oils around here, the most common and available options are: Castrol, Motul (8100/300V)...