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?
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