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new plugs make my windsor run worse 

 

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 Post subject: new plugs make my windsor run worse
Posted: Sat Nov 15, 2008 2:05 pm 
Getting Side Ways
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everytime i change my plugs my car runs worse for a couple of days. :?
it's almost like it gets used to the old plugs and doesn't like the new ones.
anyone else experienced this :?:

 

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Posted: Sat Nov 15, 2008 3:00 pm 
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Do you use the same ones or a different make/part number?

If you stick to the same ones it shouldn't do that.

 

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Posted: Sat Nov 15, 2008 3:33 pm 
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Gap them to 1.1mm every time. Disturbing the leads can make them run rough. They eat leads. Get rid of the engine cover and the rubber boot over the dizzy as well.No good for hot days. If you use the Motorcraft plugs they should be gapped right but experience has shown me to religously gap plugs.

 

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Posted: Sat Nov 15, 2008 3:42 pm 
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Timmeh wrote:
Do you use the same ones or a different make/part number?

If you stick to the same ones it shouldn't do that.


I just changed to iridiums. The gas installer suggested that the gas runs btter with them and also they last longer so less often cutting my hands to pieces getting them in and out. :wink:

Ton Davey wrote:
Gap them to 1.1mm every time. Disturbing the leads can make them run rough. They eat leads. Get rid of the engine cover and the rubber boot over the dizzy as well.No good for hot days. If you use the Motorcraft plugs they should be gapped right but experience has shown me to religously gap plugs.


Being Bosch Iridiums they have 4 elctrodes so they are almost impossible to gap, as far as i could see. I hope they were set right at the factory. :?

 

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Posted: Sat Nov 15, 2008 7:47 pm 
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Nah the iridiums with those 4 electrode setups are no good for Fords. Get a set of proper Motorcraft plugs and gap em to 0.9 mm for LPG. NGK are wicked too.

 

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Posted: Sun Nov 16, 2008 1:59 pm 
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Haha im not the only one that has this problem too.
My eb has always run not as good for a while after changing plugs also :shock:
I threw in some ngk iridiums last plug change and it played up the most, runs fine after the ecu settles down but it always does it and i wish someone could tell me why :cry:
Bloody temperemental windsor, it needs love but not too much :?

 

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Posted: Sun Nov 16, 2008 2:57 pm 
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Tom Davey wrote:
Nah the iridiums with those 4 electrode setups are no good for Fords. Get a set of proper Motorcraft plugs and gap em to 0.9 mm for LPG. NGK are wicked too.


meh. they are in there now, so i guess to late for me to throw away $170.00.
I will seee how they go and post up the results. :wink:

 

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Posted: Sun Nov 16, 2008 5:14 pm 
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Carefully close the gap .. They generally are gapped too much..
Or get yourself a Crane High 6 ignition system and run $3.00 plugs..
http://www.horsepowerinabox.com/hpiab2/category34_1.htm

 

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Posted: Thu Nov 20, 2008 10:16 pm 
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Tom Davey wrote:
Nah the iridiums with those 4 electrode setups are no good for Fords. Get a set of proper Motorcraft plugs and gap em to 0.9 mm for LPG. NGK are wicked too.


+1 correct.
i put some ngk standard plugs back in today and took the iridums back for a refund. It runs better already. looks like it is back to scarring myself every 10,000k's. :?

conclusion - Bosch ir platimun ($22.00 ea) FTL :cry:

 

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Posted: Thu Nov 20, 2008 11:00 pm 
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I have ngk iridiums in my 5.0 and it runs great, but i have stock ngk plugs in my 4.0 and that runs real good too.
Stock ngk plugs will work just as good as the iridiums but they dont last as long.
I used to run a 1.1 mm gap

 

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Posted: Thu Nov 20, 2008 11:07 pm 
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green car wrote:
I have ngk iridiums in my 5.0 and it runs great, but i have stock ngk plugs in my 4.0 and that runs real good too.
Stock ngk plugs will work just as good as the iridiums but they dont last as long.
I used to run a 1.1 mm gap


the ones i had were bosch, the ones with the 4 elctrodes. My windsor definitely disliked them. I tried to get some ngk iridiums from repco, but they only had 5 in the state. Maybe next time. :wink:

 

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Posted: Fri Nov 21, 2008 11:49 am 
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From my experience in the motor industry Bosch plugs are very average. I use only NGK or Denso.

 

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