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TRD is the same constriction as Mobile 1 filterInterested to see everyone's thoughts. I've been using TRD filters without issue in both the LX and 4runner
my Mobile1 filter went to only 1/4 on cold and then went to 1/8 on warm, which is caught my attention, that why I am posting this and not claiming any facts, just simply asking a question on how shud it be .You need to do some research before you make claims like that setup will destroy an engine. Hundreds of 200 owners and thousands of tundras with the same engine have collectively put millions (tens, hundreds?) of hard miles on TRD filters that have the same 'double membrane' without issue. There is more than adequate flow potential with all of the holes in those perforated tubes, and if TRD filters caused lower than normal oil pressure, we absolutely would have heard about it by now. The claim that it could destroy an engine is alarmist and very inaccurate.
While I guess it is possible your M1 filter had something else going on that caused low oil pressure, leaving the stock support tube in place absolutely didn't contribute.
Also, if you pull out the support tube, there is nothing to push the filter up against the top of the housing, so some of the oil flow (if not all) will bypass the filter and.. contribute to engine damage.
Beyond all of that, our 3UR is well known to appear to have low oil pressure when everything is working perfectly, for hundreds of thousands of miles. Mine will get to half on the gauge during WOT, or when the oil is cold, but like clockwork it ticks over quietly and reliably mile after mile at 1/4 gauge, even at 90mph on the freeway. This is the case on Tundras too.
If you'd like I can try to explain my understanding of why there are 2 perforated tubes with the TRD/M1 setup, but it doesn't really matter. It is intended to be that way and works great.
I have TRD too and Mobile1 next to one-to-one they look the same build I just change back to OEM and pressure went fine to 1/4 on warm nect time I will try TRD instead on Mobile perhaps Mobile filter is a problem?I've never seen 1/8 on warm, with either the unknown in the truck when purchased, or TRD, or the Toyota basic. All the very same 1/4 oil pressure.
I have TRD too and Mobile1 next to one-to-one they look the same build I just change back to OEM and pressure went fine to 1/4 on warm nect time I will try TRD instead on Mobile perhaps Mobile filter is a problem?
I think you missing the point completely - what I am saying that the double metal membrane is restricting oil flow noticing on the oil pressure gauge and that what I saw in my 2009 LC by running the Mobile1 filter on top of the OEM membrane. If you want to continue doing so I will not stop you just sharing the facts and listening to other's opinions.I’ve changed my oil 5 times at this point, once with Mobil 1, twice with regular OEM and twice with TRD. The only difference in my opinion is price. They go in the same and come out the same. Never had an issue with any. Aside from a doing oil analysis which is brought up frequently on here, I cannot determine any differences in filtration quality. Oil still looks dirty after 5k miles, every 5k. You get hard cuz you put a nicer filter in there, hand claps for you, end of the day I’ve seen 4 banger hondas and toyotas reach 275/300k miles no issues with regular low mile intervals being the most important piece. Don’t get started on here about 20w vs 30w...Everything else is splitting hairs which is another thing done frequently on here. Just change the damn thing and move on with your life, we’re talking oil filters people
I’m picking up what you’re putting down, to your point I did not experience the same issue when I ran the Mobil 1 in my 08. Pressure always at 1/4 except like bloc said when it’s cold on first start up may see little higher. Otherwise always on 1/4. Probably came off as a jackass but my point is we overthinking it a lot sometimesI think you missing the point completely - what I am saying that the double metal membrane is restricting oil flow noticing on the oil pressure gauge and that what I saw in my 2009 LC by running the Mobile1 filter on top of the OEM membrane. If you want to continue doing so I will not stop you just sharing the facts and listening to other's opinions.