Oil Filter question.

4Rescue

Expedition Leader
Kermit said:
Dave the Toyota geek to the rescue. (it's a compliment):D
Yeah, no kidding. :yikes:

From one Dave to Another: Dave you are awsome. You should write a freakin' book about Toyotas.

Cheers

Dave
 

DaveInDenver

Middle Income Semi-Redneck
Kermit said:
what is the thread pitch and count on a cylinder head stud from an '83 20R....?
I'd guess 12mm-1.25, just like the 22R. The OEM 22R bolts have about 16 full threads IIRC.

BTW, I noticed I never actually answered the original question.

The -20003, if you can get one, is a fantastic filter and probably the best option.

But since they are a relative pain in the rear to source and most people don't stock pile a case at a time, that leaves what you can get easily. Given that you will most likely be sold a -YZZD1, I would say in my estimation that a WIX or Purolator One (or their NAPA Gold and Carquest Blue equivalents) are easily as good. I wouldn't have a problem using them in place of the Toyota filters. In the case of the old 08922-02010, it was pretty much essentially the same as the Purolator One listed for the application. The only unknown is whether or not Toyota specs a different relief valve pressure or filter medium, but it's unlikely to be much different.

IMHO I would avoid the basic orange Fram, too many rumors of poor quality. Also I would avoid brands I'm unfamiliar with or anything made in China or the like. Having a decently made filter is just too important to mess with saving a buck. You can go overboard and spend $15 every 3000 miles, but I would certainly opt for the $6 WIX over a $3 Fram.

Oh, also some of the guys are recommending the FL1A/51515/PH-8A type filters (this is the bigger Ford filter that the original F filters interchange to). I used a big filter on my old engine and I noticed I had lower oil pressure on the highway. Since I only have the dash gauge I can't quantify how much, but the needle did sit lower on the scale. The main reason to run a bigger filter is more volume and more surface area, which primarily let you run it longer. Since I do 3K intervals and do a filter change each time, I don't overtax my oil or filter, so I run what Toyota says is the right one. Also trying to snake the taller filter in behind the A/C compressor, around the starter and that intake bracket isn't easy and so I ultimately just said the heck with that.
 
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ntsqd

Heretic Car Camper
With a LA the filter comes up from the bottom & rotates into position.

Interesting that the difference in pressure drop between the two sizes of filter would be so noticeable. I've not seen it since I've always used the Ford application filter.

My current plan is to combine is turbo truck & Patch into one, after the FJ is viable. At that point I'll probably go to a remote System One & an oil cooler. The latter is huge oil longevity bonus.
 

AndrewP

Explorer
I've never seen any oil pressure difference based on which filter I use. Plenty of difference though based on the viscosity of oil I'm running. I have even run a Ford Motorcraft FL1A filter on my FJ40.

Those -20003 filters, look just like the -20004 filters. Either of these two appear to be the best choice, the Napa Golds are the most available. Regarding the original post, I would avoid Fram.

If you want a -20004 filter, Cruiserdan is stocking them, and I just got a fresh supply, so I know they are out there.
 
S

Scenic WonderRunner

Guest
Dave,

Maybe you know.

The Rock Auto website shows a Nippon oil filter. Is this Nippon/Denso or is this now different?

And does Denso make oil filters for Toyota?

Do you understand this mystery?


..........and! Would the Nippon filter be OK.




.
 

DaveInDenver

Middle Income Semi-Redneck
Scenic WonderRunner said:
Dave,

Maybe you know.

The Rock Auto website shows a Nippon oil filter. Is this Nippon/Denso or is this now different?

And does Denso make oil filters for Toyota?

Do you understand this mystery?


..........and! Would the Nippon filter be OK.
Nippondenso and Denso are one in the same (you also see ND on OEM stuff, NipponDenso). They are a Japanese company, the analog of a Delco in that they are a supplier to OEMs. They have manufacturing plants here in the USA and are a major supplier to Toyota but they are also a supplier to most of the manufacturers. Denso does AFAIK sell filters directly under their own name, at least they do with other parts like ignition and O2 sensors and that like. So it's certainly possible that Rock is selling a Denso filter directly, dunno.
 

DaveInDenver

Middle Income Semi-Redneck
AndrewP said:
I've never seen any oil pressure difference based on which filter I use. Plenty of difference though based on the viscosity of oil I'm running. I have even run a Ford Motorcraft FL1A filter on my FJ40.
You are running it on a 2F? Mine is a 22R-E, might be a difference in oil pumps or mine's just weak? I dunno, my gauge usually runs at about 2/3 of sweep on the highway with 10W30 and with the bigger filter it ran a hair under 1/2 sweep. Since at 1/3 line I have about 15 psi and at 2/3 line it's like 50 psi, there is a whole lot of undetermined grey area on the stock gauge... Could be 1/2 sweep is really 45 psi. Shrug. Not commenting on using them, just noting what I saw. Toyota before about 1987 used the big filter on the 22R, so there's really nothing wrong with it at all. Not sure why they decided it needed to be changed, but it was a spec change because the oil capacity also must have gone from 5 quarts to 4.5 quarts in the book when the filter shrank.
 

ntsqd

Heretic Car Camper
Reading above I recall that Patch's indicated oil pressure is lower than turbo's indicated, but turbo looses more oil (worn turbo is likely) than Patch's recent rebuild. I don't trust both gauges equally. :)
 

AndrewP

Explorer
DaveInDenver said:
You are running it on a 2F?


Yep-running on a 2F. In the parts book for Motorcraft, it shows this filter for FJ40. They were on sale for $3 or so and I bought a few. I've used up the stock, but it is an OEM filter, and my 2F had no issues with it. Just outwardly, it seemed decently made.

It was a low risk situation. I have a newer 2F with much better compression ready to go in. Still, the old 2F did not miss a beat and the oil pressure was unchanged by the (inaccurate) factory gauge. This particular 2F is an anomaly. It feels weak on the road by the seat of the pants. The oil pressure runs at 40 psi at best, yet it keeps chugging along. Uses about 1 quart of oil every 1000 miles which is acceptable to me. Every year I think I need a new motor, and every year it finishes the wheeling season without missing a beat. I did replace the oil pump, which made no difference, and I replaced all of the rod bearings in the truck, and it also made no difference. Bottom line...2Fs don't care. They are survivors.
 

DaveInDenver

Middle Income Semi-Redneck
AndrewP said:
Yep-running on a 2F. In the parts book for Motorcraft, it shows this filter for FJ40. They were on sale for $3 or so and I bought a few. I've used up the stock, but it is an OEM filter, and my 2F had no issues with it. Just outwardly, it seemed decently made.
Oh, I think I understand the miscommunication here. We might be talking about two different things. I saw a change in oil pressure going from a small filter to a large filter. Toyota calls out for a physically smaller filter (as on the left) currently on the 22R, it about 1/2 a quart smaller in volume than the 2F (i.e. FL1A and the like) filters. I don't see any oil pressure changes going from Denso to Wix to Purolator to Motorcraft brands, within the same filter size. My thought is that the bigger filter having more volume causes a bigger pressure drop. The oil pressure sender is in the oil passage right below the filter on the 22R, so it's reading the pressure between the oil pump and filter. I also need to note that I never checked to see if I was starving the top end of oil, but I really sort of doubt it. Also lower pressure is not in itself a problem as long as there is sufficient flow. In fact lower pressure is good as long as there's enough. Pressure is the measure of resistance to flow, so high pressure could also just mean you have clogged oil passages or any number of other things.

3filters.jpg
 

ntsqd

Heretic Car Camper
Something just clicked in my head. Normally a bigger filter results in less pressure drop since the same volume of oil has a larger area to flow through. Bigger garden hose analogy. That is the prime argument in favor of the dual, parallel remote filter pads. Your results are contrary to that. I've no idea if that is an anomaly or not. Just interesting is all.
 

DaveInDenver

Middle Income Semi-Redneck
ntsqd said:
Something just clicked in my head. Normally a bigger filter results in less pressure drop since the same volume of oil has a larger area to flow through. Bigger garden hose analogy. That is the prime argument in favor of the dual, parallel remote filter pads. Your results are contrary to that. I've no idea if that is an anomaly or not. Just interesting is all.
Potentially less pressure drop across the filter with increased surface, but there's more enclosed volume. Two different mechanisms, no laws of physics broken here. The flow rate does not change coming up from the pump and the feeder oil passage, so pressure is inversely proportional to filter volume. However, OTOH, the differential pressure across the filter medium is a function of flow and pressure, the actual drop through the filter medium is probably not as sensitive as the change in volume. IOW, the smaller size filter is still sufficiently large as to not affect differential pressure across the filter for the oil pump and engine oiling design. But maybe my particular oil pump is marginal and the increased volume does make a difference in how much the pressure changes going from a smaller volume to a larger volume. The analogy would be the difference in a given compressor and 1/2" air line feeding a 2 cu-foot tank verses a 10 cu-foot tank. With air flowing out at some non-trivial rate, the pressure that the compressor & tank system would equalize to will be different. The inlet might be 100 psi, but the outlet pressure will likely be different between the bigger and small tank beyond some flow rate. At least that's what I chalked it up to. Might be complete bunk and just a coincidence.
 

cruiser guy

Explorer
DaveInDenver said:
Potentially less pressure drop across the filter with increased surface, but there's more enclosed volume. Two different mechanisms, no laws of physics broken here. The flow rate does not change coming up from the pump and the feeder oil passage, so pressure is inversely proportional to filter volume. However, OTOH, the differential pressure across the filter medium is a function of flow and pressure, the actual drop through the filter medium is probably not as sensitive as the change in volume. IOW, the smaller size filter is still sufficiently large as to not affect differential pressure across the filter for the oil pump and engine oiling design. But maybe my particular oil pump is marginal and the increased volume does make a difference in how much the pressure changes going from a smaller volume to a larger volume. The analogy would be the difference in a given compressor and 1/2" air line feeding a 2 cu-foot tank verses a 10 cu-foot tank. With air flowing out at some non-trivial rate, the pressure that the compressor & tank system would equalize to will be different. The inlet might be 100 psi, but the outlet pressure will likely be different between the bigger and small tank beyond some flow rate. At least that's what I chalked it up to. Might be complete bunk and just a coincidence.

Remember that though the filter is larger the filter outflow into the engine has not changed. The initial startup might take a few microseconds longer to get to pressure but once there the larger filter would logically have less resistance leaving more oil pressure available for the remainder of the engine. I use the larger PH8A equivalent filter on my 3B diesel as well but I use Fleetgard filters. I figure if they are good enough for Cummins trucks then my little old 3B should do well.
 

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