on normal half highway half city driving ....
How long OCI on Walmart super tech full synth HM
- Thread starter MetalSlug
- Start date
what is the car and year?
Kokopelli34179
$50 site donor 2022
More than likely, you'd be okay with whatever the OM for your car states for the OCI.
factory OCI 
Ha
How long are the trips going to be on average? A short highway run where the engine never gets to operating temps isn't helping the oil or the engine any. The same can be said for the city run, especially in the colder months in some parts of the country.
That oil and it's twin Kirkland got real noisy in our FJ around 4k. I dopped it early and put Castrol Edge in and it is quiet again
Seen UOA on 7,500 and 10,000 on here and frankly they both looked fine. I'd start with 7,500 do a UOA and get a baseline.
5k
5k or 6 month then
Alot of Blackstone reports for ST say it's good for at least 5 - 7k miles. Change it with a good filter and you'll be set. PP has a slightly better NOACK and is my current oil for a GDI engine, but I've used ST in other vehicles without issue.
I go around 6k miles and one year on my 4Runner. The manual says 7.5k or six months but I have trouble following orders.
I use Supertech High mileage synthetic 5W30 on the 03 Camry (120K) and 10W40 on the 10 Camry (215K) for 5K OCI's.
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