If you do research oil analysts here in this sub, Valvoline comes out the best.
Using high mileage oil (additives to make gaskets swell just a tad bit), used to burn almost a quart between 5k miles but now it's maybe half a quart.
I have a 2016 Corolla and just had the oil changed at dealership at 188000 km. Worked out for me.
Looks real good. Valvoline R&P is in mine now.
Valvoline Restore & Protect oil, stat!
I do like Valvoline R&P and it is in fact cleaning up two older, normally aspirated cars I have with oiling and ring issues, installed in one Lexus and one older Acura (Isuzu).
I'm from a Toyota family. My parents used to buy Toyotas just out of warranty and never did any maintenance on them. When an oil change interval was due my dad checked the oil levels and maybe topped it up a little if necessary - like once a year that is. There was never an engine problem.
If it\u2019s a Toyota it will run just fine even with chewing gum instead of oil, a Subaru will explode one mile past the due service mark.
Legit. Worst case scenario it doesn't do anything, but I've seen some improvement in my Cadillac ELR. Engine is quieter and lots of sludge was removed. But fwiw lots still remains and the varnish is basically untouched.
2000s Toyotas. Not really unreliable, but oil burning was an issue on most of these because people did not change the oil on time.
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