Just read this after sending my last reply on this. This is a beautiful
description of what I wanted to get across.
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, 26 February 2001 1:04 AM
Subject: Re: Richard EFI L series engines and other fuel problems
> Gday
>
> I got this from a SU website:
>
> You can also modify your car's throttle response characteristics slightly
by
> adjusting the viscosity of the oil in the dashpot damper. SU and ZS carbs
are
> set up so
> that a thicker oil will resist the piston's attempt to rise in the dashpot
for
> just long enough that the engine's increased load (when the throttle is
opened)
> will pull more
> fuel across the bridge; this enriches the mixture and temporarily bumps
power up
> to help the engine achieve higher speed more readily. For light damping,
Marvel
> Mystery Oil is excellent, engine oil can be used for heavier damping.
>
>
> Pele.
>
> Tom Richardson wrote:
>
> > Rick,
> >
> > I think the different viscosity doesn't damage the carbs just changes
the
> > damping factor ie quick or slow response
> >
> > - Tom
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Rick White
> > Sent: Sunday, 25 February 2001 11:09 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: Richard EFI L series engines and other fuel problems
> >
> > Hea there Richard you say engine oil??
> > I got told to use sewing machine oil was wot I was told incorrect.
> > If so wot grade engine oil should use.
> > I havn't driven the SSS since refilling with sewing machine oil so I
> > shouldn't of done any damage.
> > Thanks in advance.
> > Rick White.
> >
> > --- "Richard Clough" <[EMAIL PROTECTED]>
> > > wrote:
> > >Ah twin SU's. Then forget most of the advice you have got.
> > >
> > >First check the fuel level in the float bowls at the correct hight.
Use a
> > >SU tuning guide to do this, its easy.
> > >
> > >Next unscrew the big nut on top of each bell and pull out the damper
> > >pistons. Check for oil in the dampers. I dont think you will find
any,
> > >this is why your engine will cut out when you blip the throttle. Put
some
> > >engine oil in the tubes so the damper can do its stuff.
> > >
> > >Next slacken off all linkages between the carbs and set both
butterflies
> > >individually to a low idle speed. You can check both butterflies are
set
> > the
> > >same by using a piece of hose as a "stethoscope". Put one end in you
ear
> > >and the other end down each carb with the engine idling. They should
both
> > >make the same sucking sound, if they dont, turn the idle adjustment on
each
> > >carb until they sound identical at a low idle speed.
> > >
> > >Tighten all linkages, making sure that both butterflies are being
opened at
> > >exactly the same time.
> > >Your engine should pull smoothly and hard from now on.
> > >
> > >----- Original Message -----
> > >From: <[EMAIL PROTECTED]>
> > >To: <[EMAIL PROTECTED]>
> > >Sent: Sunday, 25 February 2001 1:44 AM
> > >Subject: Re: EFI L series engines and other fuel problems
> > >
> > >
> > >> Gday
> > >>
> > >> My name is not barbara, thats my mums name as the internet is payed
for
> > >> by her and thats the email address we got given. Thansk. Anyway my
> > >> engine has 2 SU's 1 1/4
> > >> inch i think. Yeah and also the car doesnt idle, you have to keep
your
> > >> feet on the accelerator, braker and clutch whilst the car is stopped
at
> > >> tthe lights.
> > >>
> > >> Pele.
> > >>
> > >> Rick White wrote:
> > >>
> > >> > Babara your problem if your L series engine still has the standard
> > carby
> > >on it with my guess would be the accellerator pump that is built in the
> > >carby is stuffed.
> > >> > I had the same problem a while ago.
> > >> > The accelerator pump is a little leather diapram thing that gives
the
> > >carby just enough fuel to get going on lower idle.
> > >> > I got the carby specialist to fit mine as I didn't have a clue
about
> > it.
> > >
> > >> > But I sat and watched and it was dead easy to fit so next time I
will
> > do
> > >it myself.
> > >> > it only cost me about $25.00 to get it sorted.
> > >> > I hope you sort it out anyways.
> > >> > till next time.
> > >> > Rick White.
> > >> > --- [EMAIL PROTECTED]
> > >> > > wrote:
> > >> > >
> > >> > >
> > >> > >
> > >> > >Gday
> > >> > ><p>I think my 1600 has the same problem. In the last months i have
> > been
> > >> > >working on the other side of the city through stop start traffic,
when
> > >> > >i pull up at the lights for any wear between 1 and 15 minutes then
i
> > >get
> > >> > >the green i accelertae and the car coughs like cristopher skase
with
> > an
> > >> > >extradition warrant on his head. It backfires and really pisses me
off
> > >> > >and i dont no why it does this. But when i cruise with no stops
the
> > >1600
> > >> > >will go all day, just the stop start which frigs it up. Is all i
need
> > a
> > >> > >$4 fuel regulator.? Also when i drive and nail the accelerater the
car
> > >> > >lags quite alot before actaully doing what my right foot tells it
to
> > >do.
> > >> > >Even slow acceration has a bit of lag. My car is a L series not a
> > >turbo.
> > >> > >The colder the weather the worse this problem is, any one got5 a
> > >possible
> > >> > >solution to my woe?
> > >> > ><p>Pele.
> > >> > ><p>Richard Clough wrote:
> > >> > ><blockquote TYPE=CITE><style></style>
> > >> > ><font face="Arial"><font size=-1>Luke
> > >> > >Clough has been have little joy in his 1600 since installing
a
> > VL
> > >> > >Commodore fuel pump to his EFI L series engine last week.
His
> > >idea
> > >> > >was to overcome fuel starvation being experienced on very hot days
> > >after
> > >> > >sitting at the lights, by pumping more fuel to cool the
> > >rail.</font></font>
> > >> > ><font face="Arial"><font size=-1>Problem became even more
pronounced
> > >this
> > >> > >week leading to embarrassments like pushing the car after it dies
at
> > >the
> > >> > >lights!</font></font> <font face="Arial"><font size=-1>I travelled
to
> > >Melbourne
> > >> > >today tandem trailer in tow and I was under instruction by my
> > financial
> > >> > >advisor (wife, Lynn) to hand over her Commodore to Luke, so he had
> > >reliable
> > >> > >transport for work until he, or I, had his fuel problem sorted
> > >out.</font></font>
> > >> > ><font face="Arial"><font size=-1>I have been nagging him to
replace
> > the
> > >> > >original fuel pressure regulator ever since he fitted the engine,
as
> > >its
> > >> > >adjustment thread was worn out. Obviously motivated by the
> > threat
> > >> > >of driving the Commodore, Luke finally did it today. The
> > >replacement
> > >> > >regulator cost $4</font></font> (off <font face="Arial"><font
> > size=-1>a
> > >> > >6 cyl EFI Skyline). So far, his engine is purring and
pulling
> > >strongly
> > >> > >at 5500 - something it didn't do before- hopefully problem
> > >solved.</font></font>
> > >> > ><font face="Arial"><font size=-1>I'm not saying
> > anything.</font></font>
> > >> > ><font face="Arial"><font size=-1>Meanwhile his sister Amy's Mazda
> > >Capella
> > >> > >(piston engine) has been reluctant to start when cold.
It
> > >pops
> > >> > >and spits back as if it has a manifold leak, or is running
lean.
> > >> > >But as soon as it gets a tiny bit of heat in the engine it runs
like a
> > >> > >watch. I have swapped carbies, fitted a new coil, leads and
> > >points,
> > >> > >checked for leaks in the manifold. No change.</font></font> <font
> > >face="Arial"><font size=-1>Any
> > >> > >Suggestions anyone?</font></font> <font face="Arial"><font
size=-1>I
> > >had
> > >> > >to smile as I was coming home from Melbourne tonight still towing
the
> > >tandem,
> > >> > >with the Mazda leering at me in the rear view mirror. I was
> > >supposed
> > >> > >to be bringing the Datto home to fix, but a simple $4 part got it
> > going
> > >> > >well. However, $64 didn't fix the Mazda - typical. I
wish
> > >we
> > >> > >had another 1600 for Amy.</font></font>
> > >> > ><br>
> > >> >
> >
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> > w
> > >[EMAIL PROTECTED]/</A>
> > >> >
> >
>><br>---------------------------------------------------------------------<
> > /
> > >blockquote>
> > >> > >
> > >> > >
> > >> > >
> > >> > >
> > >> >
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