Mobil 1 has never failed me over 3 Wrx’s and 1 Brz and an old forester
Motul. Always. Held up over 500hp for 2 years zero issues on unopened stock block plus its what almost all tuners recommend.
Motul 8100X-Clean for me, no problems!
I’ve been runnin Motul 7100 full syntetic for the last 15.000 km’s (9300 miles) never had an issue once.
I’ve only used this Mobil1 oil for my 21 Camry SE. I do 5k intervals and it’s been great for the past 60K.
I run 0W-40 Mobil 1 European that meets the spec on the bottle. 10k changes since new.
Ive owned four 5.7s starting in 2005.
Changed all of them with 5w20 full synthetic, no real allegiance to a brand, but always a major brand (Mobil1, Valvoline, etc); typically 5k - 7k miles between changes .
2005 had 250k , burned no oil, died when it hit a tree
2006 had 240k, would use 1/2 qt over 5k miles after about 225k.
2013, traded in with 225k, burned no oil.
None of these ever had a valve cover off. I purchased the 06 and 13 new. The 2005 I purchased with 100k on it.
The 4th is a 2021 with 35k on it. So far, so good.
I've been running 5w30 Mobil 1 full synthetic on my 03 hemi. 238k miles and still running perfect with no tick.
Mobil 1 ESP has specs very close to Subaru Japans own Pleiades oils. Its got loads of great certs, is widely available, well priced and highly regarded by loads of people.
Motul 5w40 every 3500ish miles
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