[DMCForum] Re: Re De-activating lower chambers

["cruznmd" <racuti1@xxxxxxxxxxxx>]

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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