Redline recommended 10w-40 Full Synthetic for my 1.8 solid lifter JH turbo application and the tech guy suggested modern synthetics don't cause seal leakage (like OG synths of 25 years ago) and holds up way better than the 40w rating in hot temps and protects much better when cold than even the current crop of Castrol 20/50 dino oil I was running. I swapped over the M81 to the same Redline oil and have not yet noticed any new oil leaks yet.
Thanks - I just ordered 2 5-qt jugs of the 5W40, less than $25 each and free shipping. We use this in my 2016 GSW and my wife's 2007 A4.
I throw valvoline 5w30 euro spec (vw 50700) cause it was cheap on Amazon.
as a small engine mechanic at my shop we use the Briggs and Stratton 5w 30 for everything because all we’re fixing is snowblowers but for my personal machines I either use valvoline or amsoil
Back when I dailly drove my 05 I went 10k fuel and oil. Donaldson filters and Valvoline premium blue oil
I run Valvoline VR-1 20w50 in my '74. It is straight Dino oil but it has a higher amount of zinc in it which solid lifter cars like ours love.
Valvoline max life kicks ass.
Valvoline max life kicks ass.
I'm using "Valvoline Modern Engine Oil" since they have patents and claim to have some chemistry there to keep the valve stems more carbon-free.
Just change it.
I have a Yaris with 300,000 miles on it. All I use is conventional 5-30 Valvoline.
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