The purpose of buying the Champion type plugs is due to the cheap supplier
vive buying the more expensive brand. When you are looking at a 500,000
vehicle lines than you go with the cheaper brand. Same as with the tires.
--------------------------------------
Steven St.Laurent
C4I System Engineer
Engineering Branch, PSD, MCTSSA
MARCORSYSCOM, U.S. Marine Corps
Office (760) 725-2506 (DSN Prefix: 365)
<SNIP>HISTORY TIDBITS: The discoverer of Egypt was
a woman by the name of Egyptus, daughter of Ham, son
of Noah. She discover while it was still under a level of water.
Maybe her discover was based on the Sphinx (dedicated to
Cain son of Adam). Pharaoh, son of Egyptus, was its first
ruling king."<SNIP>
-----Original Message-----
From: Jeff Durling [mailto:jdurling@directvinternet.com]
Sent: Sunday, January 05, 2003 7:35 PM
To: dakota-truck@dakota-truck.net
Subject: Re: Platinum and the 4.7 WAS Re: DML: Re: DML Digest V5 #711
My fathers '02 Cherokee Overland with the 4.7 HO in it didn't have platinums
in it. FSM for it says the same thing that the Dodge one does.
Jeff Durling
----- Original Message -----
From: <B1LLYW@aol.com>
To: <aol@dakota-truck.net>
Sent: Sunday, January 05, 2003 11:18 AM
Subject: Platinum and the 4.7 WAS Re: DML: Re: DML Digest V5 #711
>
> In a message dated 1/5/2003 9:33:01 AM Eastern Standard Time,
tkoth@cox.net
> writes:
>
> <<< But what I want to know about
> is the source for the information that a couple people
> stated that platinum plugs are BAD for the 4.7. I need to
> know more details rather than just a statment that they're
> bad for it. C'mon folks!!! Help me please!!!>>>
>
> From page 8I-20 of my 2002 FSM:
>
> "CAUTION: The 4.7L V-8 engine is equipped with copper core ground
electrode
> spark plugs. They must be replaced with the same type/number spark plug
as
> the original. If another spark plug is substituted, pre-ignition will
> result."
>
> Now, this is pretty typical because they want you to buy their plugs. But
I
> think the fact that they specify that your truck comes with a "copper core
> ground electrode" plugs is interesting. They could just tell you to use
the
> same plugs without getting into the detail of saying "copper".
>
> My understanding is that the coil on plugs design provides more consistent
> voltage than older systems. At least on the 4.7 however, although it
> provides more consistant voltage, the coil on plug system provides less
> voltage than a traditional coil system. And in fact, doesn't provide
enough
> voltage to fire the platinum plugs effectively. That's why copper is
> recommended.
>
> Now I just heard something the other day that is interesting. Supposedly,
> the Jeep 4.7 HO motors spec out a special platinum plug that they come
with.
> I wonder whether there are ignition improvements (better coil packs, etc.)
on
> those motors that could be swapped over to regular 4.7's.
>
> Bill White - http://www.bionicdodge.com
>
> '02 Dakota QC 4x4, SLT +, 4.7, 5 spd, 3.92 LSD
> '95 Dakota CC 4x2, SLT, 318, 5 spd, 3.55 LSD
>
>
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