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Old 07-31-2005, 12:01   #1 (permalink)
Ashton Crusher
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Factory Spark Plug oddity

My Dad has a 2000 V6 bought new. It's always run OK but never quite
as good as he thought it should. Early on he had it in to the dealer
and was told "All the V6's are like that."

Last week it developed a definite miss (40K miles). It was still
using the original, good for 100K plugs. The diagnosis was " a fouled
plug". So since they were going to replace a plug anyway he had them
replace all of the plugs.

He says its running better now, stronger, smoother, better idle, then
it did when it was new. Seems odd that the factory plugs were somehow
"bad" from the get-go.
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Old 07-31-2005, 14:01   #2 (permalink)
Kruse
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Re: Factory Spark Plug oddity

Ashton Crusher wrote:
> My Dad has a 2000 V6 bought new. It's always run OK but never quite
> as good as he thought it should. Early on he had it in to the dealer
> and was told "All the V6's are like that."
>
> Last week it developed a definite miss (40K miles). It was still
> using the original, good for 100K plugs. The diagnosis was " a fouled
> plug". So since they were going to replace a plug anyway he had them
> replace all of the plugs.
>
> He says its running better now, stronger, smoother, better idle, then
> it did when it was new. Seems odd that the factory plugs were somehow
> "bad" from the get-go.


A couple of thoughts on this.....
It doesn't matter if it's squeaky brake pads, a low performing engine
or poor gas mileage, the standard dealer cliche is "They are all like
that". (As per the shop customer service rep's advice, I've had to say
that a few times also)
Second, NEVER run spark plugs for 100K miles. (Although I did see a
Winstar go 250K miles on an original set once!) Even if they do last
that long, there is a greater chance that they will seize to the head
and you will have real problems.
Third, maybe your performance is better than when it was brand new, but
quite often the performance decrease is so gradual with spark plugs
that you usually do see a difference with new plugs that have replaced
old ones. The same way with shock absorbers. You usually see a big
difference when replaced.
I normally chance the plugs in my vehicles between 30K-40K, and of
course, use platinum plugs.

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Old 07-31-2005, 20:01   #3 (permalink)
Joe
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Re: Factory Spark Plug oddity

"Kruse" <kruse@kansas.net> wrote in news:1122840240.877183.160050
@g49g2000cwa.googlegroups.com:

> Ashton Crusher wrote:
>> My Dad has a 2000 V6 bought new. It's always run OK but never

quite
>> as good as he thought it should. Early on he had it in to the

dealer
>> and was told "All the V6's are like that."
>>
>> Last week it developed a definite miss (40K miles). It was still
>> using the original, good for 100K plugs. The diagnosis was " a

fouled
>> plug". So since they were going to replace a plug anyway he had

them
>> replace all of the plugs.
>>
>> He says its running better now, stronger, smoother, better idle,

then
>> it did when it was new. Seems odd that the factory plugs were

somehow
>> "bad" from the get-go.

>
> A couple of thoughts on this.....
> It doesn't matter if it's squeaky brake pads, a low performing

engine
> or poor gas mileage, the standard dealer cliche is "They are all

like
> that". (As per the shop customer service rep's advice, I've had to

say
> that a few times also)
> Second, NEVER run spark plugs for 100K miles. (Although I did see a
> Winstar go 250K miles on an original set once!) Even if they do last
> that long, there is a greater chance that they will seize to the

head
> and you will have real problems.
> Third, maybe your performance is better than when it was brand new,

but
> quite often the performance decrease is so gradual with spark plugs
> that you usually do see a difference with new plugs that have

replaced
> old ones. The same way with shock absorbers. You usually see a big
> difference when replaced.
> I normally chance the plugs in my vehicles between 30K-40K, and of
> course, use platinum plugs.


Copper's a better conductor than platinum.
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Old 07-31-2005, 23:01   #4 (permalink)
WindsorFox[SS]
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Posts: n/a
Re: Factory Spark Plug oddity

Joe wrote:

>>old ones. The same way with shock absorbers. You usually see a big
>>difference when replaced.
>>I normally chance the plugs in my vehicles between 30K-40K, and of
>>course, use platinum plugs.

>
>
> Copper's a better conductor than platinum.



Resistance Conductivity
Ohms/m Siemens/m

1.059E-07 9.442E+06 Platinum
1.724E-08 5.800E+07 Copper

--
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Old 08-01-2005, 00:01   #5 (permalink)
Big Al
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Re: Factory Spark Plug oddity


"WindsorFox[SS]" <windsorfoxNO@SPAMcox.net> wrote in message
news:AgiHe.362$ah4.105@lakeread05...
> Joe wrote:
>
>>>old ones. The same way with shock absorbers. You usually see a big
>>>difference when replaced.
>>>I normally chance the plugs in my vehicles between 30K-40K, and of
>>>course, use platinum plugs.

>>
>>
>> Copper's a better conductor than platinum.

>
>
> Resistance Conductivity
> Ohms/m Siemens/m
>
> 1.059E-07 9.442E+06 Platinum
> 1.724E-08 5.800E+07 Copper
>


Did he mean conductor of electricity or heat?

Al


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Old 08-01-2005, 04:01   #6 (permalink)
David M
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Posts: n/a
Re: Factory Spark Plug oddity

On Mon, 01 Aug 2005 00:18:52 -0500, WindsorFox[SS] rearranged some
electrons to form:

> Joe wrote:
>
>>>old ones. The same way with shock absorbers. You usually see a big
>>>difference when replaced.
>>>I normally chance the plugs in my vehicles between 30K-40K, and of
>>>course, use platinum plugs.

>>
>>
>> Copper's a better conductor than platinum.

>
>
> Resistance Conductivity
> Ohms/m Siemens/m
>
> 1.059E-07 9.442E+06 Platinum
> 1.724E-08 5.800E+07 Copper


Platimum will tolerate a higher temperature
Melting point:

Copper: 1083C
Platinum: 1772C


In any case, "platinum" plugs only have a teeny bit of platinum
on the electrode tip.

--
David M (dmacchiarolo)
http://home.triad.rr.com/redsled
T/S 53
sled351 Linux 2.4.18-14 has been up 3 days 7:28

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Old 08-01-2005, 22:01   #7 (permalink)
Jim Warman
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Re: Factory Spark Plug oddity

While the advertised service interval calls for replacement at 100,000
miles, many factors can influence that. Idling time, driving style and
conditions... the list goes on. There will be posts regarding "dealer
bullshit/factory hype" and so on. Fact of the matter is that "shit
happens"...... nothing will ever change that....

I will hazard a guess that it runs rough when cold, though....


"Ashton Crusher" <Hello@nowhere.net> wrote in message
news:hf5qe1ttmm9sdra7686s4hnb0b4o9i35b5@4ax.com...
> My Dad has a 2000 V6 bought new. It's always run OK but never quite
> as good as he thought it should. Early on he had it in to the dealer
> and was told "All the V6's are like that."
>
> Last week it developed a definite miss (40K miles). It was still
> using the original, good for 100K plugs. The diagnosis was " a fouled
> plug". So since they were going to replace a plug anyway he had them
> replace all of the plugs.
>
> He says its running better now, stronger, smoother, better idle, then
> it did when it was new. Seems odd that the factory plugs were somehow
> "bad" from the get-go.



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Old 08-02-2005, 00:01   #8 (permalink)
Ashton Crusher
Guest
 
Posts: n/a
Re: Factory Spark Plug oddity

On Tue, 02 Aug 2005 04:22:17 GMT, "Jim Warman"
<mechanic@tenalpsulet.net> wrote:

>While the advertised service interval calls for replacement at 100,000
>miles, many factors can influence that. Idling time, driving style and
>conditions... the list goes on. There will be posts regarding "dealer
>bullshit/factory hype" and so on. Fact of the matter is that "shit
>happens"...... nothing will ever change that....
>
>I will hazard a guess that it runs rough when cold, though....
>
>


Cold? In Phoenix??


>"Ashton Crusher" <Hello@nowhere.net> wrote in message
>news:hf5qe1ttmm9sdra7686s4hnb0b4o9i35b5@4ax.com...
>> My Dad has a 2000 V6 bought new. It's always run OK but never quite
>> as good as he thought it should. Early on he had it in to the dealer
>> and was told "All the V6's are like that."
>>
>> Last week it developed a definite miss (40K miles). It was still
>> using the original, good for 100K plugs. The diagnosis was " a fouled
>> plug". So since they were going to replace a plug anyway he had them
>> replace all of the plugs.
>>
>> He says its running better now, stronger, smoother, better idle, then
>> it did when it was new. Seems odd that the factory plugs were somehow
>> "bad" from the get-go.

>


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