For some models there is an upgrade beyond this
(installed on my SD) that decreases glow time even
more, gets hotter, plugs stay on while starting (at
lower temp) and then stay on for up to 3 minutes to
help even idle, etc. Beru sells a great kit - the GP's
are not cheap, the relay is and you have to use the
special GPs for this or you will toast regular pencil
ones quickly.
Don't have the link handy, but go to beru.com and
you'll find it...probably not available for 240D...
Chris
--- [EMAIL PROTECTED] wrote:
> you asked:<<How's a fast glow plug different, in
> use?>>>
>
> The original GPs are wires in *series* - hot lead
> goes to #4 GP from the
> main fuse on the firewall - then thru the GP to #3,
> thru #3 to #2 and finaly
> thru #2 to #1 where a ground wire is attached. A
> failure in one GP will
> result in weaker current to the downstream GPs.
>
> The Fast Glow plugs are wired *parallel* - - where
> a hot lead comes from
> the main fuse on the firewall, and attaches to the
> #4 GP and then the hot
> leads are wires together to electricity goes to all
> 4 GPs equally - and are
> not afected the same if one GP fails.
>
> This allows all 4 GPs to heat up dramatically more
> quickly that before - the
> chart in the workshop manual shows the GPs reaching
> 1800F in less than 20
> seconds.
>
> With the Fast Glow Plug kit you'll get dramatically
> quicker starts in much
> colder weather - and sometimes solve "hard to start"
> problems that some
> shops can spend a fortune of *your* money looking
> for solutions to - when an
> $85 kit will fix it. . I've heard of 2 different
> people being sold head
> jobs when fast glow plugs have fixed their problems
> -
>
> If I've explained this incorrectly, please help me
> out - electrical stuff is
> my weakest area -- I always have trouble remembering
> which is series and
> which is parallel.
>
> Sincerely,
> Larry T ('74 911, '67 MGB, 78 240D)
> A Blood Test for your oil - www.youroil.net
> For Test Results http://members.rennlist.com/oil
> Weber Carb Stuff
> http://members.rennlist.com/webercarbs
> http://members.rennlist.com/my_911/Index.htm For my
> Paint Job Info
>
>
>
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Christopher McCann, Squier Park, Kansas City, Missouri
-1987 300TD, 150K miles, "Rotkäppchen" (Little Red Riding Hood)
-1985 300SD, 209K miles, "Wulf"
(http://www.pictureblogger.com/My-1985-Mercedes-Benz-300SD)
-1976 240D, ManyK miles, "AKP-Wagen" (Alternativen Kraftstoffs Prüfenlastwagen
= Alternative Fuel Test Vehicle) running
WVO/WMO/LO/CO/WATF/WGL/WBF/DA/MS/lard/gas/kero/D2 mix (do not attempt this
unless you are willing to sacrifice your IP, injectors, pre-chambers, etc.)
-1971 Case 222 Hydrive, 12HP Kohler, 38" deck, Snowcaster, "One Banger"
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