Query on 3TD GU oil filters

Couldn't agree more...
Have been using bypass filters for 25 years and swear by them.
Here's a copy of one of my previous posts...

I have a '91 GQ TD42 on which I have a BYPASS FILTER (FRANZ)
By having a BYPASS FILTER you can greatly extend your oil AND fullflo FILTER change intervals.
Because the BYPASS FILTER is constantly cleaning the oil down to about 1 micron, the full flo FILTER and oil last much longer. I change my oil and fullflo FILTER only about once a year ) approx 20,000 klms or more and have had my oil checked (oil analysis) a number of times which in fact proved I could go a lot longer between oil changes- but I intenionally err on the safe side. I replace the BYPASS FILTER regularly- about every 2000 klms- element only costs about a dollar- and then the oil is topped up with about half a litre or so of fresh oil. This takes me about ten minutes to do, and I can do it on the side of the road or out bush no problem.
It sure beats crawling under the car to do a full oil and FILTER change, and it saves me money. Also the car gets a regular topup of additives because you add a bit of oil each time you change the BYPASS FILTER element (It is literally a good quality toilet roll!)
My son drives our old diesel gemini which has had the same FILTER setup since new- it 'sheading torwards 400,000 klms and has had roughly about five or six complete "oil changes " in it's life. (I've lost track of the exact number!) Engine is in perfect nick, uses NO oil and has factory spec compression etc. I have no doubt this engine will way outlast the rest of the car as rust is a constant battle in the 23 year old car, wheras the engine is perfect.
If your FILTER is horrible to change, at least this would mean you could do it a lot less often.
Here's their website in the US- I don't know who the local importer is now as once you buy them they last a lifetime- you just swap the FILTER from car to car... I've had mine for many many years.
http://www.weFILTERit.com/index.htm

Further to that...
Good "toilet paper " rolls for the Frantz are getting very difficult to find- most are the wrong size centre hole now- but you can buy specially made ones from filter suppliers for the princly sum of $2.50.

Hi David, i use a filter 2000 unit, the correct size filter housing is enourmous for 10 litres of sump ,so i use a frantz size unit, change mine every 2500k. you are really better of using the correct filter elements as they fit correctly. Works for me Michael

Hi David, your post is accurate, i have posted similar comments , back some time ago. The thing about them is, you can actually save money if you manage them correctly and save a lot of wear. Most guys say that the will not keep their vehicle that long to be a problem. Sometimes circumstances change and find that they have had the vehicle much longer that they intended and end up having to sell it or replace the engine prematurely. Michael

Hi Steve, i actually removed the turbo return pipe to the sump and silvered soldered a 1/4" barbed fitting to it, angled up towards the inner guard. It works well but i have since discovered a 1/4" plug in the return gallery, just in behind the alternator, down a few inches lower on the block, have a look, its failly obviously once you see it. My old 1999 4.2 gu had a bit of room around the oil sender, BUT my new intercooled is bloody crowded, how they remove the two spin -ons has got me beat. But you can install the tee piece with a bit of swearing i think, I am going to attack my new car next week. By-pass filters are the go for dusty conditions, there is no doubt. regards Michael

Steve, you wont be dissapointed with the new 4.2. its awesome, leaves my 1999 4.2 t for dead. It took forever to run my old patrol in and perform well, This , one from new is a totally different animal, it really is like driving a petrol Patrol, except for the diesel clatter, you wouldn't know its a diesel, Enjoy Michael

Hi relaxed, My unit is a filter 2000 unit, the new owners are a company called Filter Technology, they are at Rutherford near Newcastle, NSW. look them up, all australian made, complete unit (car size) $140,, small tidy unit. Michael