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My wife's SUV takes exactly 6L with a new filter so I was just curious (more than anything else) what consumer grade engine oils are sold as liters instead of the usual quarts you see. I know Liqui Moly and Motul sell in 5L and 1L sizes, any other notable brands?

I was in our local True Value hardware store recently and passed the small automotive related aisle on the way to the register. I noticed two variations of Castrol GTX and then a brand called Super S for about half the price. According to the bottle it was API SP rated so according to that, it’s...

I took something to our storage unit tonight and realized I had some new chemicals and equipment I no longer have the correct car for, haha 10qts of new/unopened Honda and Acura branded (exact same thing) DW1 automatic transmission fluid 1qt of new/unopened Mobil 1 5W30 engine oil 0.5 qt of...

I know it’s been pointed out many times by other members with various examples but I just wanted to share my interaction today with @High Performance Lubricants that really impressed me….. So, of course, I wanted to get in on their 25% holiday weekend sale so I called them directly with a...

So about $1 more for EP vs the standard “Advanced Formula” at Costco; also 5qt jug vs 6 individual qts case. I stocked up for my Mazda 3 and should get me to around 30k-42.5k miles on the odometer from now depending on OCIs. Ironically I had to return something to a Napa retail store (home of...

Using this in my wife’s car - ‘24 CX-90 I-6T - with 5k OCIs due to the new design of the engine. It takes 7L, so 6.34qts with a new filter. So this is a great deal for us and I only need to buy 1 standalone qt that will be split between 2 OCIs. Free shipping too.

*Disclaimer: I work for a Mazda dealership and am a big Mazda fan. This conversation was with the "chat support" on the Mazda consumer facing (www.mazdausa.com) website. As a veteran of auto sales for two decades now I full well realize the person I was chatting with was not a service manager or...

I recall reading some posts where HPL has tested as sheer stable and maintaining the 20wt even after an extended OCI of 15-20K miles. While I'm still wrapping my head around some of the concepts here - wt, HTHS, etc - I'm curious if the HPL 0W20 would compared in performance to say a weighter...

My new ‘24 Mazda 3 Hatch 6MT (2.5L Skyactic non-turbo) has a digital readout of the engine oil temp and individual tire psi on one of the menus of the infotainment screen. I’ve been doing my daily commute 8 miles one way since I’ve had the car but took a 28 mile drive earlier today with 10 miles...

Well, 30 days after we traded my wife’s ‘21 CX-9 in for a ‘24 CX-90 in Platinum Quartz we added another Platinum Quartz Mazda to the garage - my new daily driver ‘24 3 Hatch Premium manual transmission. Yes….already getting the HPL order ready, haha.

Drain and fill on our 900 mile '24 Mazda CX-90 tomorrow with the magic elixir HPL PCO 5W30 going in tomorrow. The first two oil services are complimentary at the dealership including OEM filters so I figured no time like the present to switch to the good stuff. My question is that since I have a...

When perusing M1 5W30 at the big box stores (Walmart, Costco, etc) and online I noticed that there are about a half dozen M1 lines in most popular weights - Advanced Formula, Triple Formula, Truck/SUV, ESP, FS, etc. I did see some had longer OCI recommendations than others but aside from the...

I mentioned in another post that we traded our '21 CX-9 for a new '24 CX-90 about a week ago. We went with the standard output 280hp inline 6 turbo. As this is a brand new engine and 8 speed transmission Per the owners manual, the USA/Canada recommendation is 0W20 API and Mexico/other countries...

Got my first sample of used oil ready to send off to Oil Analyzers for a UOA. As this is the first time I've done this, I'm curious if the Redline SL-1 Fuel System Cleaner I used in the last tank of gas prior to the oil change would reflect or skew the results? Dumb question I'm sure.....

We have some interest in buying a new '24 CX-90 Turbo S (currently work for Mazda and own a '21 CX-9 Signature) and like any good BITOG member, I have of course started researching what oil/filters it takes, haha. For those unfamiliar, this is the replacement to the venerable CX-9 and is a brand...

I've seen some discussion about Blackstone not performing an accurate test for fuel dilution and other specs on an UAO. I will be sending a sample of the Mobil 1 dealer bulk fill in my wife's CX-9 next week when I switch it over to HPL No VII 5W30. I know this engine is a fairly heavy diluter...

I'm curious what sort of feedback/test results were seeing from converts to HPL engine oil after say a "long term", i.e. 5-10 OCIs. I'm about 500 miles into my first full sump of HPL PPCO 5W30 after the ubiquitous previous short run OCI of M1 + 1qt of HPL Engine Cleaner as a prep. I do plan on...

We’ll be taking our ‘21 Mazda CX-9 on 2 trips during late August/early September totaling right at 2000 miles. Im not sure if this is just a hunch but it does strike me as an ideal time to do an OCI with 1qt of HPL EC30 right before and then 2 weeks and 2000 miles later do another OCI and drain...

I'm taking my wife's 2021 Mazda CX-9 AWD (Skyactiv 2.5 Turbo) about 400 miles this weekend to load a 6'x12' Uhaul trailer and tow it back home to Tennessee. The trailer will contain some heirlooms from my grandmother that passes away last year. I probably could have gotten a slightly smaller...

I'm about a week or so away from the halfway point of a 3.5K mile OCI with M1 5W30 (the full synthetic "classic" not the EP) and 1qt of HPL Engine Cleaner 30 in my '13 Acura TL SH-AWD. Current odometer is just over 33k miles and this M1 and HPL EC went in at 31,381. Per Dave's suggestions in a...