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Syncro internal tank filter/sieve tower
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Cygnus
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PostPosted: Wed Nov 28, 2012 10:26 am    Post subject: Syncro internal tank filter/sieve tower Reply with quote

The problem was that the vehicle would intermittently starve for fuel - swerving (and thus sloshing the fuel) would correct it instantly. Theory was that there was crud in the tank sloshing around - what we found is that the reservoir itself was sliding around and thus blocking flow - as well as bits if rubber from the degraded internal hose.

So I have the tank out of my 86 syncro and the fuel filter thing that sits in (and holds down) the small reservoir is completely missing. This appears to be a part number 251-201-511G? Although that seems to cross with an earlier small inline clear fuel filter. This is more of a sieve tower sort of thing that threads into the outlet pipe thus holding the reservoir in place. Nobody seems to have such a beast so I think I am looking at engineering one. Does anyone know what the thread dimensions are on the output pipe elbow? (its threaded internally) Or does anyone know where to find the original part?

Thanks,

-Brian E.
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hans j
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PostPosted: Wed Nov 28, 2012 10:58 am    Post subject: Reply with quote

My entire setup was missing in my gas fuel tank, I left it out when I changed to diesel. I think it's just something else to clog and rust.
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syncrodoka
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PostPosted: Wed Nov 28, 2012 11:08 am    Post subject: Reply with quote

I like the system since the return line goes into that bowl and you have a much less chance of dry pumping the system on steep grades- up or down. My filter was in great shape when i cleaned out the tank.

I don't have the part number handy but this may be a decent work around. http://www.foreignautosupply.com/parts-accessories/39-syncro-in-tank-fitting/
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7thing3
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PostPosted: Wed Nov 28, 2012 11:31 am    Post subject: Reply with quote

What great timing. I am in the midst of a tank refurb. I guess I should feel grateful that my strainer is intact and everything seems to be OK. Broke a new fuel rollover vent while monkeying with the new lines. I think I am going to put some foam padding or something over them when I install the tank to help prevent breaking one off during that process. Any tips?

The Gowesty site lists a hose that connects the fuel sender to the reservoir. Is this any different than the regular hose used in the system? I realize it spends a good amount of its life immersed in fuel but is it really any different?
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Altoona
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PostPosted: Wed Nov 28, 2012 11:34 am    Post subject: Reply with quote

7thing3 wrote:
I realize it spends a good amount of its life immersed in fuel but is it really any different?


Yep, that is specialty hose, made to be immersed in gas. The outer covering of standard hose is not designed for direct fuel contact.
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syncrodoka
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PostPosted: Wed Nov 28, 2012 11:38 am    Post subject: Reply with quote

Immersed in fuel rated hoses are expensive. I found it from other sources for $20 in 1 foot sections, sections over 1 foot and under a whole roll are hard to find.
18" or so is needed IIRC

There are a few good syncro tank install threads floating around.
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Cygnus
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PostPosted: Wed Nov 28, 2012 2:14 pm    Post subject: Reply with quote

Thanks all - yes that part looks like what we cooked up already - we were going to put a screen on it but maybe leaving it off is best - can always put a filter downstream before the pump.

Oh and definitely get the submersible line. You don't want to have to pull that thing again for a long time!

-B
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syncrodoka
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PostPosted: Wed Nov 28, 2012 4:57 pm    Post subject: Reply with quote

This is what it looks like. Part number 251133511 I believe that they are NLA.
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jsmitch11
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PostPosted: Wed Nov 28, 2012 6:40 pm    Post subject: .. Reply with quote

I got this from gowesty which correct hose for the app

http://www.gowesty.com/ec_view_details.php?id=23554&category_id=&category_parent_id=
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