Re: Spark plug servivce intervals -- Dodge Magnum Hemi

Dan wrote:
> Can anyone here shed light on the recommended 25,000 mile service
> intreval recommended for spark plugs in my Magnum RT with the 5.7L
> Hemi?  I replaced them once at about 30,000 and that did not help with
> a rough idle that the car has had nearly since it was new.  Now I'm
> due to replace plugs again.  The original plugs looked like new after
> 30,000 miles.  I suspect the current plugs are the same.  Any point to
> replace them?  They cost $5 each and the Hemi takes 16 of them, so I'm
> hesitant to spend the bucks if I don't need to.
> 
> Dan
The 30K change is recommended only because they're standard plugs. Use 
platinums for $2 more and change them at 60-100K.