Fw: CCKW---Conversion to 12V

From: Jeanne Lacourse (cckw@mediaone.net)
Date: Sat Jun 23 2001 - 04:00:49 PDT


>
> ----- Original Message -----
> From: tonygull <tonygull@ozemail.com.au>
> To: Jeanne Lacourse <cckw@mediaone.net>
> Cc: <mil-veh@mil-veh.org>
> Sent: Friday, June 22, 2001 6:23 PM
> Subject: CCKW---Conversion to 12V
>
>
> >
> > Dear Doc,and others
> >
> > OK...I am convinced, thanks for your concise reply.
> >
> > The cell phone almost broke me, but still i needed more,
> > I rang a fellow who is an engineer and CCKW owner, who i
> > knew had driven his all over the place. He said 6V
> > was fine, he had no trouble...but even after replacing
> > everything, the spark was weak..so i bunged in a
> > 12v battery and coil, and it roared to life,
> > nice fat blue spark, starter spins really well,
> > it used to grind and smoke on 6V, even after rebuild.
> >
> > 6V is original and cool, but not starting is uncool.
> >
> > That brings me to the fuel pump, I dont like the look of it much,
> > and had thought an electric would be more sensible, i have done this
> > before to solve old fuel pump problems.
> >
> > Do u mean a generic type electric pump, such as those available
> > at cheapo auto parts stores?
>
>
> Generic is fine. That is what I use. YOU MUST PUT A filter in front of it.
> Put one in the line to the carb too.
>
> >
> > also what do u do with the original pump, ie leave it on? blank off?
> >
>
> Sometime I leave it there just in case... Plug the lines
>
> > The reason i ask is that i still had starting problems, that seemed fuel
> > related
> > I would have to rebuild the fuel pump anyway, it will probably cost
about
> > the
> > same, but then i know the pressure is steady with electric.
> >
> > I will play with it today......are they prone to "flooding" causing
> failure
> > to start?
> >
>
> No. The WW2 GM products seem to loose the gas after a few days sitting. An
> electric
> will make starting much easier.
>
> > I adjusted the linkages etc, but was to dark and mosquitoes to continue.
> >
> > I will wire in a resistor for the 12V coil, I believe from your reply
that
> > I could have used the 6V coil, but i dont want to cook it.
> >
>
> You use the ignition resistor with the 6v coil. In the winter, have a
> pushbutton
> switch across the resistor so when starting you can short it out (remove
> from the circuit)
> This is what the cars use to do in the 50's and 60's
>
>
> > The engineer has just sold his CCKW, it was totally original, complete
and
> > perfect
> > $13000..ie US 7000$, he also told me that GMC engines hate to run lean,
> and
> > will
> > pop exhaust valves if run lean.
> >
>
> GMC 270's tend to take out exhaust valves.
>
> > He does not know if i can run an extra PTO of the tranny, on the
opposite
> > side to the winch PTO, the parts manual has this cover called the same
> > as LH PTO cover...he did suggest to remove the PTO drive shaft and put a
> > keyway
> > on the back end, if i wanted to rear drive my hydraulic setup, he said
> this
> > was how the dual drive PTO worked, but it does not look like that to me
in
> > the
> > parts manual.
> >
> I don't know, but there is a plate on the other side.
>
> > One more question....how smokey should a GMC engine be, mine is a bit
> smokey
> > and smelly, the neighbours dont like it.It is gray smoke.
> >
>
> It should not smoke
>
> > tony
> > ----Original Message-----
> > From: Jeanne Lacourse [mailto:cckw@mediaone.net]
> > Sent: Wednesday, June 20, 2001 7:36 AM
> > To: Military Vehicles Mailing List; tonygull
> > Subject: Re: [MV] CCKW on the road
> > Importance: High
> >
> >
> > If you change to 12 volts, you will thank me later.....
> > It will start like summer at 10 below
> >
> > Keep the starter
> > install an alternator
> > add electric fuel pump
> > add Ignition resistor for the coil (from 56 GMC)
> > add Voltage regulator for the fuel gauge (JC Whitney)
> > Replace light bulbs
> > Optionally add a mechanical brake light switch for safety
> >
> > Proven with 30,000 miles where it started every time without
hesitation...
> >
> > Besides, you can run your stereo, CB radio, and Cell Phone!
> >
> >
> > Steve AKA Dr Deuce(s)
> >
> >
> > ----- Original Message -----
> > From: tonygull <tonygull@ozemail.com.au>
> > To: Military Vehicles Mailing List <mil-veh@mil-veh.org>
> > Sent: Tuesday, June 19, 2001 5:32 PM
> > Subject: [MV] CCKW on the road
> >
> >
> > > Greetings,
> > > I took my GMC for its first road run the other day,
> > > certainly had jaws dropping, especially with no guards, bonnet
> > > or engine panels, no cabin or windsheild, was a lot of fun,
> > > just a short run, after bleeding up the brakes.
> > >
> > > Still wont start very easily, the spark is very weak.
> > > The consensus is condenser is faulty, a new one is on order +
> > points,leads,
> > > rotor, cap.
> > >
> > > Is the spark on 6V machines normally OK?
> > > The plug lead will only jump spark visibly to earth about 1/2mm,
> > > the coil about 2mm
> > >
> > > voltage at coil is 5.78v, coil is new, old coil was the same.
> > >
> > > Coild there be some other reason for poor spark?
> > >
> > >
> > > I was given a Carter WA-1 cabie NOS and put it on.
> > >
> > > Now have Strombergs that will fit off a Inter C1100,
> > > 1970 282cu petrol.
> > >
> > > All the talk of winching was informative.
> > >
> > > The dude who advised small drum diameter is hell
> > > on wire rope is dead right, plus when ever i really
> > > need to winch, am in a shit spot and cant run the
> > > cable out straight ahead, meaning the rope bunches
> > > all on one side, cause the wincnch drums are flimsy a bar
> > > usually goes across the drum to reinforce the whole thing
> > > and the rope jams on this after not many wraps, neccesitating
> > > frequent respools, not fun in adverse circumstances,
> > > (on my electric winch Scout)
> > >
> > > also was good advice to run cable UNDER winch anchor point
> > > if possible, so that broken wire slaps ground first.
> > >
> > > A question:
> > >
> > > Does a 1962 IH Scout qualify as an MV for this list,
> > > I have one...i am nearly sure..yes, certain, the US army used them
> > > sometime...can anyone confirm ( they run slant-four 152cu engines,
> > > which is literally half a V392 IH truck motor).
> > >
> > > regards tony
> > >
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> >
> >
>
>



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