[Spridgets] SU fuel pump curiosity?

[David Ambrose]

I'd replace it. I've had diaphragms harden on me like that. I opted to 
replace the fuel pump, but replacing the diaphragm is a perfectly good 
alternative.

On 11/16/2021 12:20 PM, crusaderchuck55--- via Spridgets wrote:
> Working with an original never apart ( other than to check the points) 
> SU fuel pump that seems to "tick" extremely slow.  Most of my 
> experience has been they tick rapidly up to building pressure and then 
> slow down to an every so often rate of making their tick sound.
> Now!   Before everyone jumps in with replace it...this is not an 
> option .   The car I am working on is a 1962 Saab 96 with less than 
> 10,000 miles on it and the car is incredibly original.   Saab mounted 
> the pump right up in the engine compartment in plain sight!   It needs 
> to stay there for obvious originality's sake.
> I am suspecting the diaphragm has hardened and is slowing down the 
> pumps ability to run at the speed I am familiar with.
> So , whatcha think?   Replace the diaphragm and move onward with 
> bringing this car back to life?
> Chuck
> Gotta keep you all thinking!
> Wait until you see what's next on the list of odd and interesting cars 
> here!
>
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