[DMCForum] Re: Re De-activating lower chambers
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[DMCForum] Re: Re De-activating lower chambers
- From: "cruznmd" <racuti1@xxxxxxxxxxxx>
- Date: Thu, 13 Nov 2003 10:33:33 -0500
I can send you my old manifolds but you'll need to drill out the
crossover pipe studs.
--- In DMCForum@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx>
wrote:
> Obviously a DeLo works just fine at those times frequency valve is
at
> minimum input to lower chambers (max richness). Why wouldn't simply
> leaving them empty accomplish same thing permanently? Of course CO2
> screw would need to b adjusted accordingly.
>
> Wasn't planning to do anything with my new engine when I get it
home,
> but now feel challenged! Since the frequency valve has been
physically
> given away have no choice but to run engine as I theorize. Will
build
> a cradle to hold it still, rig up an old Ford DuraSpark, and see
what
> happens.
>
> All I need is a fuel pump...
>
> Oh, an exhaust manifold for cylinders 1-3 would be nice too but not
> mandatory.
>
> Bill Robertson
> #5939
>
> >--- In DMCForum@xxxxxxxxxxxxxxx, "John Hervey" <john@xxxx> wrote:
> > Bill, There is a difference between the Lambda version and Non
> Lambda for
> > the FD. I just had my builder build a Non Lambda version for a
turbo
> > delorean out of a Volvo Turbo dist that has top port adjustments.
> There is
> > more to it on the inside than you think for fuel flow.
> > John
> >
> >
> >
> > -----Original Message-----
> > From: content22207 [mailto:brobertson@xxxx]
> > Sent: Wednesday, November 12, 2003 7:25 PM
> > To: DMCForum@xxxxxxxxxxxxxxx
> > Subject: [DMCForum] Re: De-activating lower chambers
> >
> >
> > "Rich, cross over to the Dark Side..."
> >
> > Unless somebody can explain otherwise, makes sense that removing
> > frequency valve altogether will simply allow upper chambers to
flex to
> > maximum size (as if Lambda were metering rich) and stay there.
Could
> > then adjust CO2 screw accordingly.
> >
> > May be a metal plate in my R30 distributor too, just without
any sort
> > of access to its underside (lower chambers). Am not about to
open the
> > thing up to find out.
> >
> > Distributor on my new engine looks just like stock DeLo. Even
has port
> > for a frequency valve (you of course have the valve itself --
keep
> > it). If I can block the thing up well enough at home to run on
the
> > ground will experiment with de-emissioning and post results.
Anybody
> > have an old fuel pump I could borrow?
> >
> > Bill Robertson
> > #5939
> >
> > >--- In DMCForum@xxxxxxxxxxxxxxx, "cruznmd" <racuti1@xxxx>
wrote:
> > > As usual, you saved my bacon Bill. Thanks.
> > >
> > > BTW, Walt brought up a valid question. Your fuel distro is
different
> > > than ours. Aside from missing ports for lambda equipt. you
said that
> > > you didn't think yours had "lower chambers".
> > >
> > > Basically, my question is can this still be done with that
fuel
> > > distro? Is yours a Renault or Volvo or what?
> > >
> > > I'm not looking to become a convert just yet, but since
you've had
> > > such success with your system, it's good info to have.
> > >
> > > --- In DMCForum@xxxxxxxxxxxxxxx, "content22207"
> <brobertson@xxxx> wrote:
> > >
> > > > I maintain that de-emissioning a DeLo is as simple as:
> > > > -Replacing dual banjo bolt on fuel distributor outlet with
> single bolt
> > > > (just like inlet) for tank return line only
> > > > -Capping lower chambers off with an 8x1mm bolt to keep clean
> > > > -Removing frequency valve (and hoses) and giving to some
other
> > poor soul
> > > > -Removing Lambda ECU and giving to some other poor soul
(which has
> > > > side benefit of more room in driver side vault)
> > > > -Replacing O2 sensor with a short thread bolt (to eliminate
any
> > > > protrusions into exhaust stream)
> > > > -Gutting catalytic converter or replacing with a pipe (IF
you can
> > > > match 4 bolt flange)
> > > > -Adjusting CO2 screw for constant upper chamber volume in
fuel
> > > distributor
> > > > -Driving car for hundreds of thousands of miles with
following
> > benefits:
> > > > --NOTHING screwing with fuel metering except your foot on
the
> pedal
> > > > (warm up regulator nothwithstanding)
> > > > --Much cooler exhaust
> > > > --Much less exhaust back pressure
> > > > --No melted rear fascia
> > > >
> > > > Only disadvantage: standing outside State Department in the
rain,
> > > > getting yelled at by overzealous security guards WHO DON'T
> EVEN HAVE
> > > > GUNS, waiting to give your old emission components to a poor
> soul who
> > > > refuses to give up on what should never have been put on car
> to begin
> > > > with.
> > > >
> > > > But we love you Rich and I'll do it again when I de-emission
> my second
> > > > DeLo.
> > > >
> > > > Bill Robertson
> > > > #5939
> > > >
> > > > >--- In DMCForum@xxxxxxxxxxxxxxx, "Walter Coe" <Whalt@xxxx>
wrote:
> > > > > > Of course he could always rip that crap off instead...
> > > > >
> > > > > Damn I'm glad you aren't a surgeon. :-) Bill, I can only
> > > > > imagine how much harder it would be to get the engine
> > > > > running well if he "ripped that crap off". Even if he
> > > > > started with a factory original engine that is running
well,
> > > > > it would be a challenge to de-emission it AND still have
it
> > > > > run well afterwards. Maybe we could get Martin to show
his
> > > > > procedure for changing to a Volvo metering head.
> > > > >
> > > > > Of course in the case with your car, you are dealing with
an
> > > > > earlier version of the engine that was not transplanted
> > > > > completely by the previous owner. I haven't seen a car
with
> > > > > a manual choke since my Dad's 1930 Model A Ford.
> > > > >
> > > > > Walt
> >
> >
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> > [Non-text portions of this message have been removed]
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