[urq] prepump filter

[Patrick Carlier]

I've uploaded a couple of pictures of the cut in half prefilter .
It really is a filter , altough it doesn't look that way on the outside .

Then I decided to have some fun with the lathe and milll.and made a
serviceable version using a chep cartridge filter from donaldson .
It's a bit bulkier the  the original and I know the finish could be better .
But it'll do just fine I guess .

I understand perfectly not everyone has acces to this kind of equippement .
But  hey , I had a great time doning this , and maybe it'll inspire someone 
.

http://s160.photobucket.com/user/soikedubois/library/fuelfilter?sort=3&page=1

Pat



----- Original Message ----- 
From: "Keith Lloyd" <spotatashleys at hotmail.com>
To: "Patrick Carlier" <p.carlier at pandora.be>
Cc: <urq at audifans.com>
Sent: Thursday, May 01, 2014 10:43 AM
Subject: Re: [urq] prepump filter


My car is an '87 WR and the fuel system components remain unchanged from 
standard and the component between tank and pump definitely does not contain 
a filter. It is clear plastic and is just a baffle/ sediment trap and is 
clear as a bell, no sediment present (which is reassuring). This is strange 
becuase the parts list definitely dascribes this as a filter.
Most odd.
Regards
Keith

Sent from my iPhone

> On 1 May 2014, at 09:04, "Patrick Carlier" <p.carlier at pandora.be> wrote:
>
> Just found an old one
>
> ID is 9.6 mm ( 3/8 inch give or take )
> OD is 12.2 mm (a little less then 1/2 inch )
>
> Then I used a hacksaw and cut in half .
> There is a filter inside , so it certainly isn't a sediment only .
> And in this particular case , the filter was al clogged and looked
> like rusted iron .
>
> I'll try to upload a couple of pictures later on .
>
>
>
>
>
> ----- Original Message ----- From: "Mike Del Tergo" 
> <mdeltergo at hotmail.com>
> To: <eddiepyle at earthlink.net>; <urq at audifans.com>
> Sent: Thursday, May 01, 2014 12:05 AM
> Subject: Re: [urq] prepump filter
>
>
>> Well there you go.  Being that 5/16s is closer to 3/8s than 3/8s is to 
>> 1/2, we may have a winner.  FWIW, The NAPA 3033 mics @ 3/8s.  I just 
>> measured it.
>>
>>> Subject: Re: [urq] prepump filter
>>> From: eddiepyle at earthlink.net
>>> Date: Wed, 30 Apr 2014 17:34:59 -0400
>>> To: mdeltergo at hotmail.com
>>>
>>> Just measured a new old stock 811 201 511D filter, the id is 3/8".
>>>
>>> Sent from my iPhone
>>>
>>> > On Apr 30, 2014, at 5:14 PM, mdeltergo <mdeltergo at hotmail.com> wrote:
>>> >
>>> > If it has to be 1/2 inch  thtoughput, NAPA 3299 has the same specs as 
>>> >  > 3278 but is all metal and more expensive.
>>> >
>>> >
>>> > Sent on the fly with my mobile.  My apoplexies for any spelling/syntax 
>>> >  > errors.
>>> >
>>> > -------- Original message --------
>>> > From: Patrick Carlier <p.carlier at pandora.be>
>>> > Date:04/30/2014  4:21 PM  (GMT-05:00)
>>> > To: mdeltergo <mdeltergo at hotmail.com>,urq at audifans.com
>>> > Subject: Re: [urq] prepump filter
>>> >
>>> > Won't work i'm afraid .
>>> > We'll need 1/2 inch inlet and outlet .
>>> >
>>> > Smaller diamters can be dapted , but could cause
>>> > the fuel pump to cavitate .
>>> >
>>> > Early cis pumps don't like pressure drops on the
>>> > intake side , I guess that's why the prepump filter has 1/2 inch
>>> > in and outlets
>>> >
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>>
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