Date: Sun, 11 Jul 2004 09:57:48 -0800
Reply-To: Jack <john.cook58@VERIZON.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jack <john.cook58@VERIZON.NET>
Subject: Re: Proper gap for spark plug 85 1.9L?
In-Reply-To: <6b93596404071105194b452424@mail.gmail.com>
Content-type: text/plain; charset=US-ASCII
From my '85GL 1.9L Owners Manual (U.S.):
Plugs: Bosch W7C0 or Beru 14 L-7C
Electrode gap: 0.028 in (0.7 mm)
Don't have reliable info re specified wire/connector resistance myself.
Much depends on whether your system uses resistor wire or regular wire with
suppressor connectors. Be aware that a PO or his mechanic may have changed
things from the original setup.
But a reasonable check is to make sure the resistances of the 4 plug wires
are all about the same. Then make sure the center wire and the rotor are
reasonable values (ie, not open circuit). I believe the rotor used with the
Hall effect system is a resistor type rotor - roughly 1k ohm.
Hope this helps a little.
//Jack
Date sent: Sun, 11 Jul 2004 07:19:09 -0500
Send reply to: Aerowolf <aerowolf@GMAIL.COM>
From: Aerowolf <aerowolf@GMAIL.COM>
Subject: Re: Proper gap for spark plug 85 1.9L?
To: vanagon@GERRY.VANAGON.COM
> The Bosch manual says that their plugs for that MY are .044".
>
> This confuses me a lot.
>
> (Also: How important is it that the cables I have have the proper
> resistance? The ones that are currently on there are 1200 to 1600
> ohm, while the Bentley book says 6000 +/- 800 is acceptable? How do I
> determine the resistance of the current circuit?)
>
> -Kyle
>
> On Sat, 10 Jul 2004 02:21:34 -0400, Daniel L. Katz <katzd54@yahoo.com> wrote:
> > kyle: > > manual says .028" gap, but most plugs, such as the autolite 403,
> are made > for about .035", which is a good all around gap. 2 mm is about
> .08" - an > extra wide gap - there are plugs manufactured for that, but if
> due to > excessive wear, then plugs should be replaced, irrespective of
> deposits. > > hall sender and coil not likely culprits. almost all coil
> replacements are > unnecessary. > > dan > > > > > On Fri, 9 Jul 2004 19:26:47
> -0500, Aerowolf <aerowolf@GMAIL.COM> wrote: > > >What's the proper gap for
> spark plugs on a 1985 1.9L wasserboxer? I > >can't find it in my Bentley
> manual anywhere. > > > >(The inspection of the spark plugs shows they're
> currently operating > >at a gap of approximately 2mm, though I don't have a
> gapper handy for > >specifics. My engine is running rich, which is leading
> me to evaluate > >the ignition system for problems such as possibly a weak
> coil or a bad > >HCU/hall sender.) > > > >-Kyle >
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