Saw a few reports recently from people with NON-oil burning Theta II's who ran QSUP or QSUD (one switched to Euro oils but had a lot of miles on QSUD). Keeping one of those Theta engines from burning is about the best endorsement I can think of for an oil.
Quaker State???? Any good?
- Thread starter bigjohn
- Start date
CleanSump
Site Donor 2026
Quaker State Euro was well liked on a German car forum I used to peruse.
I retract my earlier statement.... Amazon didn't completely DIS me... They ended up shipping me 3 of the 6 gallons I ordered. Three gallons is better than zero gallons.
When the time comes, I think I will be using it in my Jeep Wrangler with 2.0L Turbo.
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When the time comes, I think I will be using it in my Jeep Wrangler with 2.0L Turbo.
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QSUD was the "recommended" oil in my 2015 Hyundai Sonata and what I started off using. And the research I did at that time pretty much stated it was a very good oil, and it was usually cheaper than competing brands too, so good all the way around. However I ultimately switched to Pennzoil Ultra Platinum, and have now just today gone to Valvoline R&P with my latest oil change. With that said I think the Quaker State ultimate durability or whatever it is they go by now is good oil and I believe has the same base stock of GTL that Pennzoil Ultra Platinum has.