So what happens if you remove the drive belt but the air pump will still
turn. Everything is in good working order, I just wanted to get some
extra HP by disconnesting the drive. The pump still spins when car is
revving, I think because of the suction in the air rail.
James Nazarian
'71 B roadster
'74 BGT with no sills
'63 Buick 215 eyeing another rolling chassis
On Thu, 21 Oct 1999, Dodd, Kelvin wrote:
> Gene:
>
> So long as the one way valve on the air rail is doing it's job the
> non-functioning air pump will not cause any problems. If the one way valve
> is defective and remains open, then the gates of hades will open and the
> world as we know it will end. Or maybe nothing bad will happen either.
>
> A seized pump normally acts like a very large lumpy plug in the
> systems that feed air to the intake manifold and exhaust manifold. So long
> as these systems stay plugged, and don't leak you will be ok. The smog
> bunnies will not like you tho'.
>
> Kelvin.
>
> There could be a slight possibility that broken vanes inside the
> smog pump would allow atmosphere to the gulp valve. This could lean the
> mixture a bit, if the gulp valve was stuck open. On the same strand. A
> failed one way valve could allow exhaust gas to blow through the pump and
> make obnoxious noises.
> >
> > Listers,
> >
> > The PO (DPO ?) de-smoged my 80 B by just disconnecting the
> > belt to the seized air pump. Nothing else was removed or
> > changed as far as I can tell.
> >
> > The car has been running well (especially after topping off
> > the ZS !) with only an occasional pop or misfire when just starting
> > off from a stop.
> >
> > My questions: Is running the car with the smog pump like
> > that damaging
> > anything ? Is it possible that the start-off misfire is related ?
> > Is the Gulp Valve playing any part in any of this ?
> >
> > Thanks,
> >
> > Gene Balinski 80' B
> >
>
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