[T3] Update with a Bowl Full of Rust Flakes

[SCS Crewcab]

OK. Let's leave it at this. There are hidden passageways in everybody's 
fuel tank. Never seal your tank or your hidden passageways will get 
blocked and you'll run out of gas with your fuel gauge showing 3/8 of a 
tank full. I'm going back through the mirror now. They're waiting for me 
at the wedding.




On 7/24/2011 9:24 PM, Max Welton wrote:
> Well, that is what my 68 squareback sender looks like. And my 67 type-1 KG as well.
>
> Max Welton
>
> http://www.maxwelton2k.net/
>
> --- On Sun, 7/24/11, SCS Crewcab<scscrewcab at bellsouth.net>  wrote:
>
> From: SCS Crewcab<scscrewcab at bellsouth.net>
> Subject: Re: [T3] Update with a Bowl Full of Rust Flakes
> To: type3 at vwtype3.org
> Date: Sunday, July 24, 2011, 7:00 PM
>
> Pardon me, Dave, but I have two FI tanks and they don't look anything
> like that diagram. I think that may be a Type 34 only design.
>
>
>
> On 7/24/2011 6:38 PM, Dave Hall wrote:
>> You can see a diagram on this webpage, comparing the carb tank and the FI
>> tank.
>>     http://home.clara.net/hallvw/fuelsend.htm
>>
>> I've heard that all tanks from about '68 have the same internal cup, but not
>> the return nozzle, obviously, as only the FI models (ie most USA cars) have
>> the fuel return pipes.
>>
>> Dave.
>> UK VW Type 3&4 Club
>> ===================
>>
>> -----Original Message-----
>> From: type3-vwtype3.org-bounces at lists.vwtype3.org
>> [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Jim Adney
>> Sent: 24 July 2011 02:57
>> To: type3 at vwtype3.org
>> Subject: Re: [T3] Update with a Bowl Full of Rust Flakes
>>
>> On 23 Jul 2011 at 18:46, SCS Crewcab wrote:
>>
>>> What passages are you referring to?
>> The FI tank has a sort of "cup" welded to the inside of the tank.
>> That cup has a channel which leads under it, to the return line port.
>> Returning fuel drags fuel from the main part of the tank thru that channel
>> and into the "cup." So, when the tank is close to empty, the "cup" will
>> remain full.
>>
>> In essense, this utilizes the return flow of the FI pump to scavenge gas
>> from the main compartment and put it into the cup that the pump draws from.
>>
>> If that small passage under the cup is blocked, the only way for gas to get
>> into the cup and to the pump is over the top of the cup. This means that
>> once the tank is down to about 3/8 full, the pump will run out of gas.
>>
>> It's a system that works really well, unless you mess it up.
>>
>> --
>> *******************************
>> Jim Adney, jadney at vwtype3.org
>> Madison, Wisconsin, USA
>> *******************************
>>
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