Dan wrote:
> On Thu, 06 Dec 2007 00:12:37 -0500, "Tony D." <nospam@[EMAIL PROTECTED]
>
> wrote:
>
>> 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.
> The original plugs were Champion RE14MCC4. When I bought the first
> set, there were no platinum replacments available for this engine. Do
> you know for sure if there is long-life plug now for the Hemi?
>
There are and have always been Platinum, Iridium, copper, etc, etc,
available. Boscsh has 3 different Platinums alone. Who are you asking,
the dealer???? sparkplugs.com which I think is a Denso web site will
list a bunch in NGK/DENSO alone.


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