vs
Oil filter AMSOIL or STP
I use amsoil oil and amsoil filter
I have experience with the long drain intervals from Amsoil. I have 2 dodge vehicles with 3.6L engines both at around 130,000 km and I use the signature series 5w20 with Amsoil filter and I go about 18,000 km before I change the oil.
Pros: long drain intervals
Vehicle:
Dodge
Mileage: 130000 km
I do this every time. I buy my amsoil and filter and the dealer only charges me labor
Pros: uses Amsoil products
I'm running the amsoil remote filter, it will help with your oil quality.
Pros: helps with oil quality
I installed an AMSoil satellite oil filter. I change it out every 15k and change my oil and primary oil filter at 30k.
Pros: extended filter life
Mileage: 15000 km
I've tried a number of different filters from OEM, Purolator, Amsoil, and Prova. I will say this. When I used the Amsoil filter and did an oil change, the oil came out looking like it went in. So no, not all filter are created equal. I haven't done an oil change with the Prova yet. Not driving as much with WFH.
Pros: oil looked clean
Cons: not all filters equal
Vehicle:
Subaru
Changed oil at 7556 miles with Amsoil Signature Series 0w20 and an Amsoil filter. I've noticed over time that the oil in the Honda has darkened faster.
Cons: oil darkened faster
Vehicle:
Honda Civic
Mileage: 7556 km
Personally, I just use whatever is cheapest, as long as it is rated decently by the API. The way I see it, oil is really just oil. It's slick, it lubricates, it has whatever weight and viscosity it says on the bottle. The API makes sure it reaches those standards along with any claims on the bottle, so I'm comfortable saving money there. I've never had any issues in my many tens of thousands of miles of ownership and there's no sludge buildup or any worrying deposits inside the motor that I've seen when I've worked on it.
Pros: cheap, reliable, no issues
Amsoil signature series is good for 1 year/25000 miles, and the Amsoil ea filter is good for the same. It is cheaper too. Amsoil has been proven many times over to work.
Pros: proven to work, cheaper
Mileage: 25000 km
Put some normal oil and an STP filter in it. Got it all back together, runs great. Ran around the block, noticed the oil light flashed when over 2500 RPM . Back in the drive way, let it cool down. This morning, put motor flush in, idle it for 5 minutes per instructions, and drained the oil and changed the filter. Looking at the filter, it seems collapsed. It doesn't seem horribly clogged - there is a bit of silt in the crevices, but that was expected. Is it just because of the cheap filter?
Cons: filter collapsed, oil light flashed
Vehicle:
Volkswagen
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