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Discussion Starter #1
Good morning all

I have a 2001 3.0L hybrid Cougar in the UK

It has 3.0 bottom end , 2.5 heads with 3.0 valves and ported

ST200 UIM and LIM

My question is what plugs should I be using? I can take one out to see what is fitted now but I would like to gather opinions from the home of the 3.0 conversion

:bowdown::bowdown::bowdown::bowdown:
 

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i would use autolite app103. thats all i ever used. never had any issues of 6 years of racing
 

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Discussion Starter #4
Thanks guys

Not available in the UK so ordered a dozen from the US of A
 

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Discussion Starter #5 (Edited)
APP103`s have now arrived

Are these pre gapped like some of the Iridium plugs or do we have to gap them ourselves?
 

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Discussion Starter #7
Update :

Plugs that arrived are APP103`s, are these suitable for the 3.0 hybrid engine or just the standard 2.5 Duratec

I can`t find APP133`s on the US bay, only APR133`s?
 

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Discussion Starter #9
Are AP103s suitable for a standard 2.5 duratec?
 
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