[tech] which fuel pump?

[Larry" <rocco16v@netzero.com (Larry)]

Keep in mind, Joe, that high flow is not a prerequisite for high pressure.
In fact (in most instances) a mechanical device will sacrifice one to get
the other....
( Am I right, Dan? )

Larry  sandiego16V

> Sal,
>
> The one that's underneath the car is really easy to change.  I always
forget
> if its the transfer pump or the fuel pump.  My car's (16v) fuel pump was
> buzzy so I swapped it out for one from an 82 rocco.  Same part number.  It
> took like 30 min to swap.  CIS-E pumps have to hold lots of pressure (+80
> psi) so they are pretty high flow, apparently good for 300hp or so.  Not
> sure if there's a difference between the CIS fuel pump and a CIS-E one.
>
> Joe
>
> >My fuel pump apparently is on its way out.  The other day, once the motor
> >was warmed up, it would studder and sounded like it was starving for fuel
> >in
> >the higher rpms....today, once the motor warmed up, it just died on me.
30
> >minutes later, once cooled down it started.
> >
> >I think that it's the fuel pump....is there a way I can check it and
> >determine if that's the cause of the problem?  More importantly, if I
> >decide
> >to replace the fuel pump anyways, which one should I get?  The one that
> >belongs to the car or should I use a 16V scirocco pump?  Is there a
> >difference?  Can I use another fuel pump to provide more power?
>
>
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