On Thu, 06 Dec 2007 18:32:48 -0500, "Tony D." <nospam@[EMAIL PROTECTED]
>
wrote:
>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.
I'd put in Densos any day of the week, NGKs too, but with my
experience with Bosch Platinums, I wouldn't waste my money (because
any money spent on Bosch Platinum plugs, in my experience, HAS been
wasted)
--
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