I run the NGK 2262's in the 05. No complaints here.
All you have to do to get to the plug is unbolt the coil pack and lift
it out. Just one bolt per coil pack.
It's not a hard job, just different with the distributorless ignition.
Hope this helps.
Gary
On Tue, Sep 14, 2010 at 10:55 PM, TerribleTom <silvereightynine@aol.com> wrote:
>
> My girlfriend dumped her 04 Impala for a 04 Jeep Grand Cherokee Overland...
> a very plush Jeep I might add... I'm slightly envious actually - but don't
> tell her heh.
>
> She wants me to throw new plugs in it, its running fine with 98,000+ miles
> on the engine, but theres no telling when or if the plugs were ever changed.
> My knowledge rests with the older engines... 3.9s, 318s, 360s etc... I've
> hardly touched a 4.7L before. I was trying to determine what has to be
> removed to get the plugs pulled. From a quick glance, it seems the upper
> plenum can be removed pretty easy... two bolts, the air duct connection, and
> the throttle body connection. Then it seems a simple matter of pulling the
> coil packs. This sound about right?
>
> I was initially worried about having to pull the upper plenum and possibly
> needing a gasket... but this doesn't seem to be the case.
>
> I'm planning on throwing autolite 3922s in there - the stock heat range
> copper plug.
>
> -- TerribleTom
>
>
-- Gary Hedlin Show Car Signs by Hedlin Designs www.showcarsign.com--Many talk about those who died, but too few talk about those who survived... THANK A VET!
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