>Ron,
>I notice you didn't mention the Bosch Platinum Quad plug below....
>I also seem to remember you don't sell them on you web site...
>what is the reason for this?
>
>I seem to recall that some list members have reported that the Bosch Tri
>Tip
>Platinum plus caused the head to run hotter..

I'm not Ron nor, a pro nor did I keep up with this thread, however those
plugs I was told burnt out my coil starter.

Brian
87 GL

. and some speculation that
>this could cause the head gaskets to deteriorate quicker... and that the
>Platinum Quad ran cooler....
>
>Can you enlighten us?
>
>Thanks,,
>Bill Davidson
>
>----- Original Message -----
>From: "The Bus Depot" <ron@NETCARRIER.COM>
>To: <vanagon@GERRY.VANAGON.COM>
>Sent: Friday, November 24, 2000 8:12 AM
>Subject: Re: 3-prong Spark plugs?
>
>
> > Some correction/clarification is in order here.
> >
> > First of all, the part numbers for the correct tri-electrode Bosch plugs
>for
> > a Vanagon are W7DTC or WR7DTC - not W7TDC as erroneously mentioned in
>the
> > below post. (Note letter reversal.)  The only difference between the W7
>and
> > the WR7 is that the latter adds a resistor to prevent radio interference
> > from your engine electrical system.  That is the one that we stock, for
> > $3.75 each.  (If purchased as part of a $50+ order, you get an
>additional
>5%
> > listmember discount on request.)  Incidentally, Joel is correct that
>these
> > are for all watercooled Vanagons (except diesel of course) - not just
>'85.
> >
> > If you want the stock, single-electrode Bosch plugs (basically
>equivalent
>to
> > the W7CC0 that came factory-installed), that's the W7CC, and they run
>$1.25
> > each. These are the plugs that we include with our tune-up kits, and are
> > what the vast majority of Vanagon owners buy.
> >
> > There is also a Platinum Plug, the 4233, for $2.49 each, but for my
>money
>if
> > I were going to upgrade over  the stock plugs I'd jump right to the
> > tri-electrode WR7DTC's.
> >
> > - Ron Salmon
> >   The Bus Depot, Inc.
> >   www.busdepot.com
> >   (215) 234-VWVW
> >
> >
> > > the Bosch W7CC0 and Beru 14L-7CU/14L-7C are
> > > the recommended ones in the owners manuals.  However
> > > the W7 is the ticket ... that's the Bosch heat range, so
> > > you're ok with those triple-prong plugs. i've been running them
> > > for about five years and love 'em.
> > >
> > > > After speaking with Bus Boys, I was informed that the 3-prongers
> > > > are for '85 only? Is this right?
> > > Bullshit. W7 are for any bus that needs that heat range, and that's
> > > any watercooled bus.  i KNOW the 86-91's require the W7 range, and i
> > > think the 83-85 watercools do as well.
> > >
> > > my advice: replace it with more Bosch W7TDC. that's the only plug i
> > > buy nowadays. i can't prove it, but my overall mpg has gone up 1.0 mpg
> > > since i put them in.
> >

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