[AT] Canola to diesel

George Willer gwill at gwill.net
Sun Feb 4 17:23:04 PST 2007


Tom,

What you say may be mostly true, but you left out compression ignition which
they are not.  Whether it is truly diesel or not doesn't depend on my
opinion or yours.  I have no interest in Super Bowl.

George Willer

> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com [mailto:at-
> bounces at lists.antique-tractor.com] On Behalf Of Tom Yasnowski
> Sent: Sunday, February 04, 2007 7:04 PM
> To: at at lists.antique-tractor.com
> Subject: RE: [AT] Canola to diesel
> 
> I cant speak for the new MB's, but If the old mercedes are not true
> diesels
> then today isnt super bowl sunday. If it sounds like a diesel, smells like
> a
> diesel, takes diesel fuel, has lousy pickup and
> starts hard in the cold, has 260K + miles and still purrs, and can run
> straight vegetable oil to boot, and doiesnt have spark plugs,then by
> gollly,
> its a diesel!.
> 
> 
> >From: "George Willer" <gwill at gwill.net>
> >Reply-To: Antique tractor email discussion group
> ><at at lists.antique-tractor.com>
> >To: "'Antique tractor email discussion group'"
> ><at at lists.antique-tractor.com>
> >Subject: RE: [AT] Canola to diesel
> >Date: Sun, 4 Feb 2007 16:34:26 -0500
> >
> >I don't think any basic changes can be retroactive.  It's been about 17
> >years since I drove any Mercedes regularly.  As far as I know the 190,
> >190DC, 200D, 220D, 240D, and 300D remain pre-chamber engines.  As best I
> >can
> >tell they are NOT true diesels.  The only Mercedes I currently own is a
> 450
> >SLC and it's too valuable to drive.
> >
> >George Willer
> >
> > > -----Original Message-----
> > > From: at-bounces at lists.antique-tractor.com [mailto:at-
> > > bounces at lists.antique-tractor.com] On Behalf Of Tom Yasnowski
> > > Sent: Sunday, February 04, 2007 3:09 PM
> > > To: at at lists.antique-tractor.com
> > > Subject: RE: [AT] Canola to diesel
> > >
> > > "Pre chamber"?  Sounds like you are talking about a IDI engine.  I
> think
> > > most of them are DI engines
> > > now....
> > >
> > >
> > > >From: "George Willer" <gwill at gwill.net>
> > > >Reply-To: Antique tractor email discussion group
> > > ><at at lists.antique-tractor.com>
> > > >To: "'Antique tractor email discussion group'"
> > > ><at at lists.antique-tractor.com>
> > > >Subject: RE: [AT] Canola to diesel
> > > >Date: Sun, 4 Feb 2007 13:54:53 -0500
> > > >
> > > >Mike,
> > > >
> > > >Maybe I was a bit hasty... maybe it's only the auto engines I'm quite
> > > >familiar with that aren't true diesels.  They are NOT compression
> > > ignition,
> > > >a requirement for diesel, as I understand the term.  They have a
> >throttle
> > > >plate that restricts the intake severely at low speeds, resulting in
> > > >compression ratios far below those required for true diesel
> >operation...
> > > >possibly less than 3:1 at idle.  This throttle plate is not to be
> > > confused
> > > >with the safety plate working like a check valve to prevent the
> engine
> > > from
> > > >running backward.
> > > >
> > > >They require glow plugs for starting and a heated ball pin (acting
> like
> >a
> > > >constant glow plug) for continued running.  A broken ball pin will
> make
> > > the
> > > >cylinder unable to fire.  The injectors feed into a pre-chamber
> > > containing
> > > >both the glow plug and the heated ball pin.  The combustion begins
> >there
> > > >and
> > > >is forced through an orfice into the main combustion chamber.
> > > >
> > > >It's understandable that many Mercedes owners aren't aware of the odd
> > > >ignition system since it's unlikely many even consider working on
> them.
> > > Of
> > > >the eight I've owned 6 have been "diesels" and I've completely
> rebuilt
> > > most
> > > >of them.
> > > >
> > > >George Willer
> > > >
> > > > > -----Original Message-----
> > > > > From: at-bounces at lists.antique-tractor.com [mailto:at-
> > > > > bounces at lists.antique-tractor.com] On Behalf Of Mike Sloane
> > > > > Sent: Sunday, February 04, 2007 12:50 PM
> > > > > To: Antique tractor email discussion group
> > > > > Subject: Re: [AT] Canola to diesel
> > > > >
> > > > > Mercedes aren't true diesels? You have to explain that one,
> George!
> > > > > Mercedes Benz (aka Daimler Benz) probably makes more diesel
> engines
> > > > > (car, trucks, marine, industrial, etc.) than any other single
> > > > > manufacturer in the world, and if they aren't "true" diesels, it
> >will
> > > be
> > > > > a surprise to a LOT of owners/operators. :-)
> > > > >
> > > > > Mike
> > > > >
> > > > > George Willer wrote:
> > > > > > Mercedes has different ideas about diesel fuel... possibly
> because
> > > >they
> > > > > > aren't true diesels some other concoctions are suggested.  They
> >even
> > > > > endorse
> > > > > > adding a significant amount of gasoline to the diesel in cold
> > > weather
> > > >to
> > > > > > improve starting.
> > > > > >
> > > > > > George Willer
> > > > >
> > > > > --
> > > > > Mike Sloane
> > > > > Allamuchy NJ
> > > > > <mikesloane at verizon.net>
> > > > > Website: <www.geocities.com/mikesloane>
> > > > > Images: <www.fotki.com/mikesloane>
> > > > >
> > > > > It's hard to argue against cynics - they always sound smarter
> > > > > than optimists because they have so much evidence on their side.
> > > > > -- Molly Ivins 1944-2007
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