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Discussion Starter · #1 ·
Dear all

What in your opinion is the best spark plug? Is there any point in buying these so called performance spark plugs or are they all the same? I have seen a set for the v6 for 80 quid yes 80 quid!!!

Anyone paid this much?
 

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ebay usa buy the ones off there,much cheaper than uk
 

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Honestly performance ones aren't realy worth it, gives a slightly bigger spark, meaning a fraction of a BHP, in high tuned race or drag engines then you may see a difference, but for £80 its not worth it. You'll notice a bigger difference taking out and cleaning the ones you already have. If you are going to replace someone like EU will do them cheap.
 

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eg avoid "champion"
 

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I put these "iridium" tipped spark plugs in my Lotus Excel last year (at the specified service interval). They cost an arm and a leg but I thought they gave a smoother delivery of power. However, this year, not wanting to spend so much, I reverted to the standard plug. I can't say I've noticed a decrease in performance; any new plug is going to be better than the one that's done 10000 miles or so!
 

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yep and you often imagine its doing more than it is
 
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