HP pumps are generally long and cylindrical. This is because of the
mechanism in side that is needed to create high pressure.
The LP pumps are as described, little cubes (smaller than HP pumps).
----- Original Message -----
From: Andrew Robert GREENBURY <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, June 02, 2001 7:47 PM
Subject: RE: fuel pumps
> Thanks Terry
>
> I think i came across one of the LP pumps today - about a 5cm cube??
>
> OK so the question I have is I have seen all sorts of pumps - how can I
> tell which are LP and which are HP? Is it as simple as all the pumps in
> EFI cars are HP, and all the (electric) pumps in carby engined cars are
> LP??
> Andrew
>
> On Sat, 2 Jun 2001, Terry Rudd wrote:
>
> > Andrew,
> > The Cressida pump is actually only HP as the swirl pot (gravity feed) is
in
> > the tank and the HP pump is under the tank in the diff well. We got a
Denso
> > LP of a RX7 for $10 (tiny thing about the size of a match box) and
plumbed
> > it in to feed the external swirl pot that we used on the Z18ET Bluey.
> >
> > regards
> > Terry
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Andrew Robert
> > GREENBURY
> > Sent: Saturday, 2 June 2001 12:50
> > To: [EMAIL PROTECTED]
> > Subject: RE: fuel pumps
> >
> >
> > Hi terry
> > Thanks for that - where abouts on the donor car are these pumps located?
> > Im sorry I didnt understand whether the Cressida/Crown ones were high or
> > low pressure?
> >
> > Thanks
> > Andrew
> >
> > On Fri, 1 Jun 2001, Terry Rudd wrote:
> >
> > > Andrew,
> > > New stuff I've used is Bosch VL-HP/ Bosch LP
> > >
> > > Second hand that other ppl I know have used without problems
> > >
> > > LP Denso - Mazda, Toyota
> > >
> > > HP/LP Denso from MX83 Cressida/ MS123 Crown, may be MS112 has the
same,
> > very
> > > similar system in RX7's too, last one I found cost me $80 for the lot
and
> > > it's in a 910/Z18ET and hasn't missed a beat. These things are compact
and
> > > bullet proof and the whole shebang is on a frame that tucks away under
the
> > > car. The relays, filters the lot is in a box, only thing is most of
these
> > > cars are still on the road.
> > >
> > > regards
> > > Terry
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of Andrew
> > > Greenbury
> > > Sent: Friday, 1 June 2001 12:41
> > > To: [EMAIL PROTECTED]
> > > Subject: fuel pumps
> > >
> > >
> > > Hi all,
> > >
> > > I was wondering if anyone could give me some info regarding what
> > > high and low pressure fuel pumps they have used in their EFI
> > > conversions?? I am especially interested in those who have used
> > > cheap units from wreckers :) Which cars, where abouts in the car
> > > were they located, and how much should I be paying??
> > >
> > > Thanks heaps for everyone's help
> > >
> > > Andrew
> > >
> >
>
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