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Old 09-16-2005, 17:01   #1 (permalink)
VetteL89
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1997 Aerostar

Does anyone have any problems with the 4.0L eating sparkplugs?
Mine goes through a set every year. I'm thinking distribution of voltage is
the culprit but I'd like some input.
L89


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Old 09-16-2005, 20:01   #2 (permalink)
trainfan1
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Re: 1997 Aerostar

VetteL89 wrote:
> Does anyone have any problems with the 4.0L eating sparkplugs?
> Mine goes through a set every year. I'm thinking distribution of voltage is
> the culprit but I'd like some input.
> L89
>
>


You are, of course, using Autolite platinums? They should last 100,000
mi. & then some.

Rob
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Old 09-17-2005, 11:01   #3 (permalink)
nospam.clare.nce@sny.der.on.ca
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Re: 1997 Aerostar

On Fri, 16 Sep 2005 21:47:44 -0400, trainfan1
<lmsearing@usdatanet.net> wrote:

>VetteL89 wrote:
>> Does anyone have any problems with the 4.0L eating sparkplugs?
>> Mine goes through a set every year. I'm thinking distribution of voltage is
>> the culprit but I'd like some input.
>> L89
>>
>>

>
>You are, of course, using Autolite platinums? They should last 100,000
>mi. & then some.
>
>Rob

On the 4.0 you NEED the double plats - or half of the plugs go south
while the other half is still good. If you are too CHEAP to use the
specified plug, change them every year.
On my 3.0 I used standard non-plats and changed them every 50,000km. I
figured it was better that way than letting the plats sieze in, then
pull the motor to replace the plugs.
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Old 09-17-2005, 17:01   #4 (permalink)
VetteL89
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Re: 1997 Aerostar


> >You are, of course, using Autolite platinums? They should last 100,000
> >mi. & then some.
> >
> >Rob

> On the 4.0 you NEED the double plats - or half of the plugs go south
> while the other half is still good. If you are too CHEAP to use the
> specified plug, change them every year.
> On my 3.0 I used standard non-plats and changed them every 50,000km. I
> figured it was better that way than letting the plats sieze in, then
> pull the motor to replace the plugs.


Thanks for your input you two. I've always been of this mind but was scared
that the engine would do the exact same thing to the much higher priced
double platinums. You can understand a concern like that, I'm sure.
L89


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