Mobil 1 5w30 Annual advanced synthetic. We have a garage full of Mustangs heavily modified...all on Mobil 1 full synthetic...always. No engine, turbo, or supercharger issues on these cars as well.
Mobil 1 with no issues change every 3k, rarely top off in between changes
Mobile one is best in every single case, unfortunately its the most expensive for this reason.
I’ve heard valvoline is good too. I use Mobil 1
I personally lean towards affordability, so I run Mobil 1 0w-40 because the local parts stores run sales for $35-40 pretty regularly.
I had a tiny bit blue smoke and thought it was sticky rings.
Ran mobil1 5/30 and it's gone.
Personally I've mostly been using Mobil 1 15w50, as it's almost never run in the winter.
Mobile one full synthetic hands-down. I have a 2004 Toyota Corolla and a 2007 Toyota Tacoma I’ve owned both since brand new and now both have over 260,000 miles apiece . I have only used Mobil one full synthetic changed every 5000 miles. just took a bore scope to look into both engines a few months ago. They look like they’re brand new. Almost no varnish. Absolutely no sledge, never had any problems whatsoever with these vehicles. It’s insane.
Mobil 1. Used to be a valvoline guy but my motor blew up lol. Dont think brand had anything to do with it, just felt like shaking things up.
At my 18,000 mile service, barely dropped off full. V.W.they told me at the service has now went with Mobil 1.3,000 miles later down now a 1/2 quart.
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