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Fuel Filters

 
 
Post new topic   Reply to topic    Difflock Forum Index -> LPG, Bio Diesel and Alternative Fuels
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YotaDave
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Joined: 12 Nov 2007
Odometer: 958
Location: Bristol


1994 Toyota Landcruiser

PostPosted: Mon Aug 10, 2009 8:17 pm    Post subject: Fuel Filters Reply with quote

I run my Toyota KZJ70 LandCruiser on Bio whenever I can get it but quite often have to put Dino in it as there dont seem to be any bio producers in SW London or Surrey.

The problem is that every time I put Bio in it after running Dino for a while it eventually blocks the fuel filter (usually after about 1000miles). Would it be possible to add a second pre-filter to the system to stop the OEM filter getting clogged so quick?

Obviously the pre-filters would have to be cheap and easy to replace anyone know of anything? I think someone was selling in line filters with removable cores a while ago (Nat?).

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Dave (the Young Fart)
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terence
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PostPosted: Mon Aug 10, 2009 10:42 pm    Post subject: Reply with quote

theres summat wrong with the bio

the two fuels are perfectly miscible,

i suspect the bio has either soap, free glycerine or an emulsion of water and diglycerides , this will clog a filter


a reaction between derv and bio wont....
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The Smiths
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Joined: 21 Nov 2007
Odometer: 711
Location: Doncaster



PostPosted: Mon Aug 10, 2009 10:48 pm    Post subject: Reply with quote

agree with the above - sounds like bad bio.

You will get problems first time you run bio as it acts as a detergent and washes the rubbish through - but then system is cleaned

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If you always do what you have always done,
you always get what you've always got.
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YotaDave
Articulating


Joined: 12 Nov 2007
Odometer: 958
Location: Bristol


1994 Toyota Landcruiser

PostPosted: Tue Aug 11, 2009 9:55 am    Post subject: Reply with quote

Unless everywhere I go I get bad Bio I doubt its that. I get boi from several different places on my travels and it seems to do it where ever I get the Bio from?
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Dave (the Young Fart)
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terence
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PostPosted: Tue Aug 11, 2009 9:58 am    Post subject: Reply with quote

total mystery then ?

because the chemistry is safe.

unless you have a wet or very dirty fuel tank i cant explain the cause?

possibly some form of biological prob ? algae perhaps.

or cheap filters breaking down with unmethylated bio???

what is getting caught in the filters ?
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YotaDave
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Joined: 12 Nov 2007
Odometer: 958
Location: Bristol


1994 Toyota Landcruiser

PostPosted: Tue Aug 11, 2009 4:28 pm    Post subject: Reply with quote

I suppose it could potentially be something else then but the problem seems to go away when I change the fuel filter.

Pretty much what happens is I fill up with bio on my travels then when I come back home I have to run on Dino until I go near somewhere I can get Bio. Generally after about 500miles on Bio I get slightly rough idling until warmed up then after 1000miles I have to change the fuel filter as it is so clogged I loose power (I drove 300miles at 50mph with foot to floor once because of this!).

When I change the filter it fixes these problems and the car runs fine until I repeat the cycle. Its usually golden brown cloudy fuel with bits in it that smells similar to paint stripper that comes out of the filter when I change it. The filters are cheap Boshi filters from Milner and Im loathed to use anything more expensive if I have to keep changing it:

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terence
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PostPosted: Tue Aug 11, 2009 4:33 pm    Post subject: Reply with quote

its the filter cartridge breaking down on bio.

happens lots with crap ones

I changed to baldwin and have never looked back even with 80 deg heat exchanger they are great
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YotaDave
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Joined: 12 Nov 2007
Odometer: 958
Location: Bristol


1994 Toyota Landcruiser

PostPosted: Tue Aug 11, 2009 4:58 pm    Post subject: Reply with quote

Sounds like I need to find some better filters then, anyone know where I can get better ones that wont cost the earth?
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Dave (the Young Fart)
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terence
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PostPosted: Tue Aug 11, 2009 6:37 pm    Post subject: Reply with quote

I hinted at BALDWIN... Laughing
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YotaDave
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Joined: 12 Nov 2007
Odometer: 958
Location: Bristol


1994 Toyota Landcruiser

PostPosted: Tue Aug 11, 2009 6:57 pm    Post subject: Reply with quote

Laughing Well yes but Im useless and cant find a supplier of Baldwin filters or which one I need for my vehicle.

It would be so much easier if all the manufactures used the OEM part numbers. Toyota show the OEM filter as 23303-64010.

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Dave (the Young Fart)
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terence
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PostPosted: Tue Aug 11, 2009 9:16 pm    Post subject: Reply with quote

when i gets light outside i shall give you the part number you require. for the baldwin one.

worth the effort

ive never melted one yet ( touch wood)
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YotaDave
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Joined: 12 Nov 2007
Odometer: 958
Location: Bristol


1994 Toyota Landcruiser

PostPosted: Thu Aug 13, 2009 12:28 am    Post subject: Reply with quote

Think I may have found it, is it BF7535?
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Dave (the Young Fart)
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