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Old 21-09-2009   #1
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Spark plugs

I'm planning on upgrading all of the serviceable parts on my GP. I'm having trouble finding the best spark plugs tho. its for a 1.4 16v. any recommendations guys?
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Old 21-09-2009   #2
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Re: Spark plugs

Keep the ngk ones .won't find any better. Anything else would be a waste of money + no xtra performance
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Old 21-09-2009   #3
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Re: Spark plugs

Stick with NGK, but I'd look at Iridium tipped.

They made a real differerence in my Lotus, but then that had carbs and the computing power of a digital watch. The engine management system might cover this already.
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Old 21-09-2009   #4
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Re: Spark plugs

Quote Originally Posted by tazjet View Post
Keep the ngk ones .won't find any better. Anything else would be a waste of money + no xtra performance
Is there much difference between the ngk ones and the bosch super 4's?
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Old 21-09-2009   #5
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Re: Spark plugs

Quote Originally Posted by dpr59 View Post
Stick with NGK, but I'd look at Iridium tipped.

They made a real differerence in my Lotus, but then that had carbs and the computing power of a digital watch. The engine management system might cover this already.
i had a look the the iridium tipped but it saind they were for the 1.4 turbo! will they be okay for mine?
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Old 21-09-2009   #6
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Re: Spark plugs

Quote Originally Posted by boddahchris View Post
i had a look the the iridium tipped but it saind they were for the 1.4 turbo! will they be okay for mine?
Taken from the NGK web site. Relates to the MiTo but it the same
_________________________________


The Alfa Romeo MiTo new sporting supermini hatchback 1.4L 16v NA is installing NGK ZKR7A-10 spark plugs as exclusive OE fitment. This 12mm diameter plug has been developed specifically for Fiats FIRE EVO and FIRE PDA engine families. It is a nickel alloy plug with a 5mm projected spark position and 1mm gap size and has already been installed in FIRE engines for Fiat and Lancia applications since the end of 2005. It is also fitted in the new 1.2L Fiat 500.



The 1.4L 16v T-Jet MiTo is equipped with NGK IKR9F8 spark plugs as exclusive OE fitment. This plug has also been fitted exclusively in the recently introduced Fiat 500 Abarth. In order to provide the best ignition performance, precious metals iridium and platinum are employed on both centre and ground electrodes of the IKR9F8. It has been designed to ensure maximum ignition reliability and is extremely resistant to spark erosion, so ensuring that performance does not deteriorate over the whole service life.

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Old 21-09-2009   #7
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Re: Spark plugs

Quote Originally Posted by dpr59 View Post
Taken from the NGK web site. Relates to the MiTo but it the same
_________________________________


The Alfa Romeo MiTo new sporting supermini hatchback 1.4L 16v NA is installing NGK ZKR7A-10 spark plugs as exclusive OE fitment. This 12mm diameter plug has been developed specifically for Fiat’s FIRE EVO and FIRE PDA engine families. It is a nickel alloy plug with a 5mm projected spark position and 1mm gap size and has already been installed in FIRE engines for Fiat and Lancia applications since the end of 2005. It is also fitted in the new 1.2L Fiat 500.



The 1.4L 16v T-Jet MiTo is equipped with NGK IKR9F8 spark plugs as exclusive OE fitment. This plug has also been fitted exclusively in the recently introduced Fiat 500 Abarth. In order to provide the best ignition performance, precious metals – iridium and platinum – are employed on both centre and ground electrodes of the IKR9F8. It has been designed to ensure maximum ignition reliability and is extremely resistant to spark erosion, so ensuring that performance does not deteriorate over the whole service life.

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but will the bottom one work on my non turbo? as the top one isn't iridium?
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Old 21-09-2009   #8
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Re: Spark plugs

Quote Originally Posted by boddahchris View Post
Is there much difference between the ngk ones and the bosch super 4's?
Dont even compare these two. NGK are far better. As for your question about fitting t-jet's plug to your starjet i am not sure but i will do a search. It is pointless to change your sparks' type as the four electrodes won't offer any difference.

Check this thread as well: http://www.fiatforum.com/stilo/10582...4s-review.html
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Old 22-09-2009   #9
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Re: Spark plugs

Quote Originally Posted by tazjet View Post
Dont even compare these two. NGK are far better. As for your question about fitting t-jet's plug to your starjet i am not sure but i will do a search. It is pointless to change your sparks' type as the four electrodes won't offer any difference.

Check this thread as well: http://www.fiatforum.com/stilo/10582...4s-review.html
hmmm... looks to be personal preference really, the differences seem negligible to me from the above thread.

i'm not changing them for any increase in performance. I'm just being shown how to do a few things on the car as i'm a bit of a noob when it comes to the engine, so i thought as i'm gonna be changing the serviceable parts i may as well get the best parts for the job.
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