View Poll Results: Which is the best solution RE: DPF use?

Voters
10. You may not vote on this poll
  • unrestricted use on Bio with DPF

    1 10.00%
  • Remove DPF and components

    3 30.00%
  • Blend Bio with Dino when using DPF

    1 10.00%
  • Dont buy a DPF fitted car

    5 50.00%
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Thread: Diesel Particulate Filters and Bio

  1. #1
    Join Date
    Sep 2009
    Location
    Brisbane (North Side)
    Posts
    701

    Diesel Particulate Filters and Bio

    Collective Grey (and those amongst us who still have hair),

    I have had a quick look on the forum here and it doesnt seem like there has been a lot of recent chat about DPF's.

    I think it is going to become the next hurdle in bio use, as our fleet of 'old reliables' gets even older.

    Had a search on the net and there is a few university studies which seem to sprout that use of bio in DPF's actually improves the long term performance and longevity of the DPF, through lower catalyst temperatures, yet it appears to me that the bio community is still largely risk averse when it comes to use of DPF's and Bio.

    quite keen to spark some healthy discussion on the subject that is restricted to proper logical and researchable context rather than "oh my old man had one of those and it failed on bio" - they fail on dino too.

    I understand there are two types - the type that adds the fuel post combustion in the cylinder at the start of the exhaust stroke via a selected injector, and the type that adds fuel to the exhaust line prior to the DPF.

    would like to know what everyone thinks about :
    1. leaving DPF in tact and just using bio normally
    2. removing DPF physically from exhaust line and disabling computer inputs
    3. leaving DPF in tact and blending bio with dino (the enemy)
    4. or not buying a car with a DPF period.
    look forward to some great responses!
    Regards,

    Cade.

    2002 100 series Landcruiser
    240,000 Km and counting on B100, 330,000km total on car.
    Naturally aspirated, Walbro Pusher pump just upstream of tank switch valves, Cav filter with reversed fuel flow direction.
    At 160,000 km Rebuilt pump, Reconditioned head and manifolds, glow plugs. Injectors all good after 160,000 km on B100.

  2. #2
    Join Date
    Apr 2007
    Location
    numurkah
    Posts
    533

    Re: Diesel Particulate Filters and Bio

    I understand that there are DPF delete kits you can get, (which is just a pipe and a software change) as even dino diesel can be a problem with DPF. Im sure the kits will become more common place, in the years to come as more information about the technology comes available.
    Last edited by smithw; 30th April 2012 at 03:55 PM.

  3. #3
    Join Date
    Jul 2007
    Location
    Canberra, ACT, Australia
    Posts
    333

    Re: Diesel Particulate Filters and Bio

    Just keep buying cars that don't have a DPF and if you just have to have the brand/model that only has a DPF then us a low percentage blend.
    Last edited by maverick_sr71; 30th April 2012 at 09:51 PM.
    Maverick
    Canberra

  4. #4
    Join Date
    Sep 2009
    Location
    Brisbane (North Side)
    Posts
    701

    Re: Diesel Particulate Filters and Bio

    I thought this topic would have snagged a few more responses than the above, not to say that Smith and Maverick's input is not valid, quite the opposite.

    Is there anyone currently running B100, B50 or B20 in a car that has a DPF? and if so for how long?

    I think Matt ran it in a Pug for a while, but thats all I have heard about.
    Regards,

    Cade.

    2002 100 series Landcruiser
    240,000 Km and counting on B100, 330,000km total on car.
    Naturally aspirated, Walbro Pusher pump just upstream of tank switch valves, Cav filter with reversed fuel flow direction.
    At 160,000 km Rebuilt pump, Reconditioned head and manifolds, glow plugs. Injectors all good after 160,000 km on B100.

  5. #5
    Join Date
    Jan 2006
    Location
    In the sunshine state.
    Posts
    856

    Re: Diesel Particulate Filters and Bio

    Yes 4 years and about 60K km, but its has no DPF, just cheap shitty seals.
    Biodiesel Bandit

    Landcruiser '98 80 series B100.

  6. #6
    Join Date
    Jul 2007
    Location
    Canberra, ACT, Australia
    Posts
    333

    Re: Diesel Particulate Filters and Bio

    If you look at the "which cars will run on bio" sticky you'll find DPF cars are not in that mix. I'd suggest from that you can assume the answer of the collective grey.
    I'm just about to buy a new VW Passat and it wont be seeing any bio, that's a clear decision I've made in buying the vehicle.
    Maverick
    Canberra

  7. #7
    Join Date
    Sep 2009
    Location
    Brisbane (North Side)
    Posts
    701

    Re: Diesel Particulate Filters and Bio

    I am seriousely considering a chrysler 300crd, which like Maverick, I dont beleive i would run on Bio either. Reason being that they are that fuel efficient, it wouldnt be worth the effort.

    I still think there may be room for consideration of Bio in a DPF fitted vehicle, especially in the next few years, where they may become commonplace in vehicles where they arent already.

    The other side of the coin is that manufacturers may see them as being more trouble than they are worth, and drop them, as the warrantee repairs on blocked / failed DPF's pile up.
    Regards,

    Cade.

    2002 100 series Landcruiser
    240,000 Km and counting on B100, 330,000km total on car.
    Naturally aspirated, Walbro Pusher pump just upstream of tank switch valves, Cav filter with reversed fuel flow direction.
    At 160,000 km Rebuilt pump, Reconditioned head and manifolds, glow plugs. Injectors all good after 160,000 km on B100.

  8. #8
    Join Date
    Jul 2010
    Location
    Brisbane SEQ
    Posts
    705

    Re: Diesel Particulate Filters and Bio

    Cade

    A good topic that will get both sides of the coin. It is my understanding that the pajero from 2010 has had the DPF removed. This I have read from a number of sites but largely from the Internet so must be true .

    I ran my 2008 grand vitara on B50 and it seemed to like it. No known problems and the service agent didn't complain about it until one day a fuel tanker hit it. Hmmmmm ??? Didn't think about that until just now.

    I then replaced it with a 2011 Grand vitara and had problems with the DPF straight away but no Bio in it then as I wanted to get through the first service. I lost interest in that car straight away and so did Suzuki for that matter.
    I don't know where to guide people from my experiences but I dear say it will be buyer beware and do lots of research because a DPF can cost upwards of 6k to replace. I like the thought of removal and software delete.
    Having the post injection still active shouldn't pose a problem if the engine oil is changed every 5 to 7 thousand km's but this then defeats low running costs.

    I can see Cade cruising in a big black shiny car though.

    My two cents

    Michael
    97 Jeep XJ Cherokee on B100. 0 km's on B100 and counting !!!! (Sold)
    2002 Merc ML270 now on B100. (Sold)
    2006 Ssangyong Musso 2.9 t idi (Sold)
    2015 NP300 Navara

    Stainless processor with blue water pump.

  9. #9
    Join Date
    Sep 2009
    Location
    Brisbane (North Side)
    Posts
    701

    Re: Diesel Particulate Filters and Bio

    OK.

    So thus far, everyone is avoiding them like the plague, but no one has provided a real reason to avoid them other than cost to replace. I understand that the need for replacement is not necessarily bio induced either, but its a problem that is perceived to exist regardless of fuel type used.

    By the lack of answers, it appears largely that the group as a whole does not understand them (this includes me as I know bugger all about them - however I am sure there are people reading this that do).

    I may have to do some investigating elsewhere and come back with some info if the forum is interested.
    Regards,

    Cade.

    2002 100 series Landcruiser
    240,000 Km and counting on B100, 330,000km total on car.
    Naturally aspirated, Walbro Pusher pump just upstream of tank switch valves, Cav filter with reversed fuel flow direction.
    At 160,000 km Rebuilt pump, Reconditioned head and manifolds, glow plugs. Injectors all good after 160,000 km on B100.

  10. #10
    Join Date
    Sep 2005
    Location
    WA
    Posts
    4,124

    Re: Diesel Particulate Filters and Bio

    Cade,
    We would appreciate it if you can research this information.
    If you feel that it would be of benefit, we can "sticky" the post so that it remains visible well into the future.

    Regards,
    Tony
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles in stable:
    '85 Mercedes Benz W123 300CD Turbodiesel single tank using 95% used cooking oil and 5% to 10% misfuel (where someone had filled diesel vehicle with petrol).
    '06 Musso Sports Crew Cab. Running on used cooking oil with 5% to 10% misfuel.
    Toyota Camry Hybrid - (Wife's Car)

    Previous Vehicles:
    '90 Mazda Capella. (2000 - 2003) My first Fatmobile. Converted to fun on veggie oil with a 2 tank setup. Died when supercharger stuck at max boost for weeks. Stretched head bolts.
    '80 Mercedes 300D. 2 tank conversion [Sold]
    '84 Mercedes 300D. 1 tank, no conversion. Replaced engine with rebuilt OM617A turbodiesel engine. Finally had good power. Donor for current Fatmobile coupe. (body parted out and carcass sold for scrap.)
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car)[sold]
    '98 Mercedes W202 C250 Turbodiesel (my car)[sold]
    Parts Car C220 1993 All body panels, headlights, interior engine and ECU available.


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