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#4628559 - 01/08/18 06:53 PM Considering buying a Franz Filter
DeafBrad Offline


Registered: 05/10/16
Posts: 236
Loc: WA
Hi Everyone,

I am considering in the near future buying a Franz filter for my Dodge Grand Caravan. It looks like the full kit is a little under $300. I have watched a few videos, and the install looks fairly simple.

It appears the kit comes with a fitting to "t" off of the oil sending unit or something like that (correct me if I am wrong). I plan to drill a hole in the oil filler cap and running the return line there instead of puncturing the oil pan. My plan is to make minimal modifications to the van so I can return the van to stock easily and move the filter to the next vehicle.

Are there other tp filter brands to consider? Any other suggestions or tips?

Thanks for your time,

Brad


Edited by DeafBrad (01/08/18 06:56 PM)
_________________________
Toyota Echo 250,000 + miles
Geo XFI 50+ mpg
Honda CBR250r 65+ mpg

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#4628562 - 01/08/18 06:55 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
JC1 Offline


Registered: 11/29/08
Posts: 3001
Loc: Oshawa, Ontario Canada
What year is the caravan?
_________________________
2015 Grand Caravan SXT Plus 5w-20 PPPP/Wix Filter
1997 Honda Civic CX 5w-30 PPPP/Mahle Filter

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#4628568 - 01/08/18 07:01 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: DeafBrad
Any other suggestions or tips?
Thanks for your time,


1) Use a good quality synthetic oil, change every 10K (typically, YMMV)
2) Use a good glass media oil filter

Following this formula, the rest of your van will likely fall apart before the engine dies.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4628572 - 01/08/18 07:03 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
A310 Offline


Registered: 04/16/15
Posts: 331
Loc: Kelowna, BC, Canada
That's what I would do and have done on my trucks. As far as brands of Tp are concerned Scott 1000, BoardWalk, and Kirkland brands work well. You might want to consider getting a sleeve or orings to seal the center roll to the Frantz tube. If you look on Ebay NOS units come up from time to time, so you don't need to pay 300 for one.

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#4628577 - 01/08/18 07:10 PM Re: Considering buying a Franz Filter [Re: JC1]
DeafBrad Offline


Registered: 05/10/16
Posts: 236
Loc: WA
Originally Posted By: JC1
What year is the caravan?


It is a 2006 Dodge Caravan. I "get it" why these are popular, as they are nice. I have 153k miles or so on it now.
_________________________
Toyota Echo 250,000 + miles
Geo XFI 50+ mpg
Honda CBR250r 65+ mpg

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#4628580 - 01/08/18 07:13 PM Re: Considering buying a Franz Filter [Re: Linctex]
DeafBrad Offline


Registered: 05/10/16
Posts: 236
Loc: WA
1) Use a good quality synthetic oil, change every 10K (typically, YMMV)
2) Use a good glass media oil filter

Thanks for the info. Do you change out the tp early or do you leave it in 10k miles? I have a microgreen filter on the van now, and most likely will just leave it on.


Edited by DeafBrad (01/08/18 07:16 PM)
_________________________
Toyota Echo 250,000 + miles
Geo XFI 50+ mpg
Honda CBR250r 65+ mpg

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#4628587 - 01/08/18 07:18 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
CT8 Online   content


Registered: 10/09/14
Posts: 10930
Loc: Idaho
Bypass filter because?
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4628590 - 01/08/18 07:20 PM Re: Considering buying a Franz Filter [Re: A310]
DeafBrad Offline


Registered: 05/10/16
Posts: 236
Loc: WA
Originally Posted By: A310
That's what I would do and have done on my trucks. As far as brands of Tp are concerned Scott 1000, BoardWalk, and Kirkland brands work well. You might want to consider getting a sleeve or orings to seal the center roll to the Frantz tube. If you look on Ebay NOS units come up from time to time, so you don't need to pay 300 for one.


Thanks for the info. So my understanding is the oil comes up the center tube and drains through the tp and out the bottom, right? I am assuming the tp must be tight on the center roll, and on the outside of the roll up against the canister as well.
_________________________
Toyota Echo 250,000 + miles
Geo XFI 50+ mpg
Honda CBR250r 65+ mpg

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#4628593 - 01/08/18 07:21 PM Re: Considering buying a Franz Filter [Re: CT8]
DeafBrad Offline


Registered: 05/10/16
Posts: 236
Loc: WA
Originally Posted By: CT8
Bypass filter because?


Because I want to. Think of it as a hobby, and something to do. As well, it would be a big plus for the engine to not to wear and use oil as the miles pile on. I tend to keep my vehicles a while.
_________________________
Toyota Echo 250,000 + miles
Geo XFI 50+ mpg
Honda CBR250r 65+ mpg

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#4628597 - 01/08/18 07:24 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
A310 Offline


Registered: 04/16/15
Posts: 331
Loc: Kelowna, BC, Canada
Originally Posted By: DeafBrad
Originally Posted By: A310
That's what I would do and have done on my trucks. As far as brands of Tp are concerned Scott 1000, BoardWalk, and Kirkland brands work well. You might want to consider getting a sleeve or orings to seal the center roll to the Frantz tube. If you look on Ebay NOS units come up from time to time, so you don't need to pay 300 for one.


Thanks for the info. So my understanding is the oil comes up the center tube and drains through the tp and out the bottom, right? I am assuming the tp must be tight on the center roll, and on the outside of the roll up against the canister as well.


That's correct.:)

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#4628618 - 01/08/18 07:39 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
I can see this as a hobby.... just please don't expect any stellar results, OK?
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4628639 - 01/08/18 07:52 PM Re: Considering buying a Franz Filter [Re: Linctex]
DeafBrad Offline


Registered: 05/10/16
Posts: 236
Loc: WA
Originally Posted By: Linctex
I can see this as a hobby.... just please don't expect any stellar results, OK?


What expectation are you finding people have with the bypass filter? I don't think my expectations are too high... I would say my expectation would be #1 to extend the oil change intervals to 10k miles (the manual calls for 3k mile oil changes in severe duty) and #2 extend the amount of life the engine has as a non-oil burner. I currently am using a Microgreen filter, and I believe the Franz is a step or 2 above the Microgreen.
_________________________
Toyota Echo 250,000 + miles
Geo XFI 50+ mpg
Honda CBR250r 65+ mpg

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#4628745 - 01/08/18 09:24 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
Jonzobot Offline


Registered: 06/16/16
Posts: 47
Loc: Planet Earth
I installed one on my car. Mostly as a conversation piece and a laugh. I T'd the pressure feed from the oil pressure sender (which broke off in the block on removal, whee!) and drilled a hole in the oil pan for the return line. I made sure to install a restriction prior to the inlet of the filter. I've had my car running on toilet paper for 60,000km now (out of 320,000), no signs of issues.

I did an oil analysis on my last oil change without the Frantz, and my first oil change upon using the TP filter, and the results were surprisingly good.

I use some generic single ply from Rona (hardware store) - I think it's rebranded Scott 1000, but we can't get Scott 1000 here.

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#4628760 - 01/08/18 09:38 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
CT8 Online   content


Registered: 10/09/14
Posts: 10930
Loc: Idaho
I can see the hobby part as a good reason.
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4628816 - 01/08/18 11:18 PM Re: Considering buying a Franz Filter [Re: DeafBrad]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: DeafBrad
I don't think my expectations are too high... I would say my expectation would be #1 to extend the oil change intervals to 10k miles


Just about any oil can get you to 10K in Washington's climate.

You'll have to do the math... $300+ is like 30 oil changes, every 5,000 miles is another 150,000 miles without the installation of the bypass.

A bypass filter helps get out PARTICULATE. Only.
It does not improve TBN, or help with shearing, etc.

I said "don't expect stellar results", because you can get your 2006 Caravan engine
to 300,000 miles with just good maintenance.
But I worry about the rest of the van....
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

Top
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