[urq] Pumps & Pots er wha?

[qshipq at aol.com]

 This setup might help visually understand what Ben has done in the fuel capacitor concept.  Most oil filters are rated for fuel as well, and that gives a wide range of 'non-welded' setups to his challenge...   if you can make it fit.  

http://www.bcbroncos.com/store/product_info.php?cPath=131_108&products_id=119

Cheers

Scott J


 

 

-----Original Message-----
From: Ben Swann <benswann at verizon.net>
To: 'Robert A Dupree' <robert.a.dupree at jpmchase.com>
Cc: urq at audifans.com; 'Quattro List' <quattro at audifans.com>
Sent: Mon, Mar 29, 2010 2:41 pm
Subject: Re: [urq] Pumps & Pots er wha?


I tee it in.  Add a tee into the return line so it can go into the pipe as well.
 
Thought about this long and hard and was going to try a number of ways.
 
When you think about how it works, you can understand the elegance in 
simplicity.  The
fuel return flow is equalized and part goes into the pipe and part goes into the 
tank.
By teeing it there will never be negative pressure on the pipe, nor too much 
pressure
causing a runaway flow.
 
It also allows to purge the filter sock  in the feed line that seemed to be 
loading up
every now and then.
 
All I can say is even if I didn't really know what I was doing, it works great, 
wheras
everything else before this failed.
 
Cheers!
 
Ben

  _____  

From: Robert A Dupree [mailto:robert.a.dupree at jpmchase.com] 
Sent: Monday, March 29, 2010 3:04 PM
To: Ben Swann
Subject: RE: Pumps & Pots er wha?



THANKS!

 

Just to be clear - you're running the return from the fuel-rail back into this 
capacitor
instead of the normal return-to-tank pathway?  Have you simply capped that 
original
return-to-tank line?

 

Was there a magic volume equation you used to determine size & placement, or did 
you
start from available space and work into a 'what fits' scenario?

 

I suppose it will never get easier for me to make something that bloody right 
now!  I'm
very glad I happened to read the threads!

 

Rob D.

 

From: Ben Swann [mailto:benswann at verizon.net] 
Sent: Monday, March 29, 2010 1:56 PM
To: Robert A Dupree
Subject: RE: Pumps & Pots er wha?

 

Rob,

 

As soon as I finish with some work that is outstanding, I will post a web page 
on this.
in the mean time I'll shoot you some pictures.

 

Ben

 

  _____  

From: Robert A Dupree [mailto:robert.a.dupree at jpmchase.com] 
Sent: Monday, March 29, 2010 2:23 PM
To: benswann at verizon.net
Subject: Pumps & Pots er wha?

Hey Ben - I missed the original problem and description of your in-place 
solution.  As
I'm in the middle of re-vamping the fuel system on the 3B UrQ conversion, any 
BTDT you
have would be most appreciated.  Right now all hard lines, pumps, accumulators 
are off
the car.  I had not intended to remove the tank, but.. will see if I need to as 
a result
of your solution.

 

If it's documented on your website just forward the link please - I don't recall 
seeing
it the last time I was looking in.

 

Rob D.

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