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I felt compelled to research that claim and it looks like you are correct. The Mann+Hummel spec sheets I can find show it at 99% >46 microns. And yet, the Purolator One's are 99% at 17 microns. I doubt that 29 micron range is causing any damage (a white blood cell is 25 microns in diameter), but...

https://www.purolatornow.com/en/products/oil-filters/purolator-boss.html It is Purolator's high end oil filter line that has a plastic (or some polymer) mesh backing attached to the filter media. Here is Whip City Wrencher on Youtube cutting one open compared to a Wix:

Well fantastic. Since I doubt that it will grenade the engine I will swap mine out during the next oil change for each car. Maybe a little earlier than their usual 5k miles. Purolator's aren't still tearing, right? I like my reinforced backing so I guess I'll shell out for the Boss line now...

Was the filter in the video a unique situation or has a pattern been established with the Endurance line? I just slapped two on my Hondas last month...

I simplified the air filter experience and just buy Denso filters from Rock Auto for my Toyota and both of my Hondas. Denso is the OEM for my Camry, so that is good enough for me to slap in my Civic and Pilot rather than track down and pay for whoever makes their OEM filters. Denso filters have...

If you have never seen True Romance (my personal favorite movie), he has a great role in that. He plays an imaginary Elvis that you never quite get to see.

Meh. Even extra-concentrated it couldn't touch the disaster that were my 2AZ-FE rings. But even after her B12 soak I am still substituting a quart of oil for HPL EC when I change it every 3000 miles (4.5 quart capacity at OCI). The engine doesn't seem to notice or care.

I know that the overall mantra around these parts is "slow and easy" a la VRP or HPL EC when it comes to cleaners, but given that BG EPR only flows with the engine in park (or at least that is what it instructs) does anyone use it as a maintenance item even without consumption? Every 50k or...

My thoughts have been that like most things with vehicles it is easier to prevent than to fix. Is running high mileage oil from 75k-on for three cars responsible for preventing oil leaks in all three? Maybe? Maybe not? None of them are leaking anywhere, though, so until they do I can't say that...

The 162k ride is (was) a severely bad oil burning Camry that just got done a piston soak with Berryman's B12 that seems to have fixed her up pretty darn well. VRP wouldn't have made a dent (HPL EC and BG EPR tried and failed as well) but could be of some use now. I was actually thinking of...

It certainly works on my 2AZ-FE, and I know that I am not the only one since I first read about using them here (I have also used Fram XX3614 and XX3600). The filter gasket is on the outer portion of the base plate, but it fits snug and I have not experienced any leaks. Go go oversized jobber!

Based on the discussions here it would seem that the cleaning potential of VRP isn't just a marketing ploy. However, I cannot find any discussion about a comparison to high mileage oils and the seal conditioners that they typically contain. While most high mileage engines (100k+) could probably...

Some shop somewhere has been selling a wide variety of the Purolator Tech filters on Amazon for a while now. I have been using the TL20195 filter on my previously oil-burning Camry for quite a few OCIs. At $2.45 for an oversized filter (for that car) and keeping her at 3,000 mile OCIs, I have...

She has been on SuperTech High Mileage 5W-30 for quite some time now. I have 1 quart of HPL EC mixed in now, and will use my last quart to mix in with the next oil change. Since she is still burning a small bit of oil and will inevitably do so again because of the rings and pistons, I am...

Update: Probably the last. February 25, 2025. 162,352 miles. 1513.7!!! miles into OCI4. B12 soaks work. Period. Since I underfilled it by about a quarter she has burned only about 0.3 quarts after 1500 miles. Before I did the soak she was at 1 quart per 350 miles. That is a monumental...

Has Valvoline released anything explaining how VRP compares to High Mileage oils ability to improve seals for leak protection? I found the FAQ on their website that says it cleans better but doesn't offer much in the way of an explanation of leak protection. I have no doubt this question is...

When I was solely running HPL EC in my 2007 Camry in an attempt to reduce oil consumption, I just mixed it with a jug of oil and used that to top off, per HPL's recommendation. I dumped 1.5 quarts out of a 5 quart jug of oil and then added one quart of HPL EC to it to maintain the correct ratio.

TL;DR: The HPL EC experiment ended a while ago and could not resolve my oil burning issue, which was too advanced. Since then I have run BG EPR through her and then soaked the pistons with Berryman's B12. Now I am just updating with the ongoing monitoring of results from the B12 soak, which so...

Update #5 December 18, 2024. 161,502 miles. 664.3 miles into OCI4. Maybe it is finally down a tick? At this rate I am hoping she is at around 1 quart/1500 miles. Time will tell.

I should have taken a picture when I changed the valve cover gasket. I'm no expert but it certainly looked clean to me compared to what I have seen online. I did run three quarts of HPL EC and two cans of BG EPR through her before doing the B12 soak, so all things combined I would be...