Engine oil Mobil or IDEMITSU
I have used nothing but Mobil 1 FS for 20 years on all my cars and family vehicles. I’ve never had a reason to switch.
I've stuck with Mobil-1 changing it around every 5k miles and everything has been perfect.
Mobil-1 guy myself, at least so far. No issues, good price
Mobil 1, it’s better than 99% and you can get 4 quarts for $27 at Walmart.
Mobil 1 full synthetic 5w20 or 5w30 is best in my opinion, and I’ve always just used a fram ultra from Walmart never had any problems and my K20 seemed to enjoy it
My tacoma has 352000 miles have always put mobile 1 in it
Idemitsu is responsible for the oil that powered the Mazda 787b; they know the rotary like no other. I exclusively use their synthetic 20w50 and premix.
I personally have run Mobil1 0w-30 in my GSR for the past 250,000+ miles, since back in the mid-2000's.
I used to do 10k mile oil changes with Mobil 1 EP.
Make sure you don't run Mobil 1. Subaru engines tend to shear Mobil 1 down to a lower weight oil quickly.
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