<VV> Healthy pumps?

Bryan Blackwell bryan at skiblack.com
Sat Jul 19 15:58:36 EDT 2008


Cool - mystery solved!

--Bryan

On Jul 19, 2008, at 10:47 AM, Jack Kean wrote:

>  From the for whatever it is worth department:
>
> After cutting almost three coils off of the pressure spring, the Fuel
> pressure (measured at the carburetor) was a steady 4 PSI (down from  
> 9+).
> I would keep this in mind when diagnosing the fuel system. I now know
> much, much more about the fuel system than I did this time last week.
>
> This change, and setting the float level to 1^1/4 inches has  
> eliminated
> the fuel tip in through the venturi clusters.
>
> thanks for your support in this issue.
>
> jack kean
>
> corvairduval at cox.net wrote:
>> It makes perfect sense to me. Most every mechanical fuel pump used  
>> since
>> the demise of the vacuum tank works this way.
>>
>> There is usually a small spring to take up the slack. On the  
>> Corvair pump,
>> the spring is on the push rod below the pump.
>>
>> Frank DuVal
>>
>>
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