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Non-member
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Loose Bolts Tuning
Re: Best Spark Plugs
Ive always been told (by scoff) to use normal NA plugs and stay well clear of 'race' type plugs. This was for my engine running a bar of boost thou, dunno if they'll be okay for running the sort of boost your talking about.
btw- Happy birthday fella
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Non-member
Re: Best Spark Plugs
Thanks for the wishes mate!
What NA plugs? 1.1 Campus or 1.4 R5 or some other Renault?
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Loose Bolts Tuning
Re: Best Spark Plugs
1.4 campus (or similar plugs) NGK or champion
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Non-member
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Re: Best Spark Plugs
I wish someone started this thread las week I just bought the B8 EVX ones that are around £5 each and I agree with jure that they do not last that long (although I think my engine running rich did not help).
I suppose the campus ones are a lot cheaper n' all
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Committee, South East Regional Rep
Re: Best Spark Plugs
Just about to order some B8EVX going to hold back now look at some 1.4 campus jobbies
Is it the NGK - BPR6E S that everyone seems to use?
Last edited by James5; 22-01-2010 at 12:50.
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Committee, Moderator
Re: Best Spark Plugs
I had always used B8evx's with no fault up 18 psi. Above that i used B9eg's which seemed to cope well. At the end of the day, any plug tip will tell the tale of how healthy your fueling and engine is.
On the standard plug topic mentioned, im not sure what the benefit would be. Im sure scoff will reveal all....
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Non-member
Re: Best Spark Plugs
With the ngk spark plugs the number in the code i.e 8 is the heat range of the plug, if your running higher boost, with higher combustion temps then you would consider goin to a 9,
I would expect the 5's to get too hot and cause pre-ignition also it can cause the engine to run on once turned off when warm
Once a plug has become fouled from over fuelling they will never clean up the same, an will misfire (short) across the same bit of electrode, hope this is of some help
Phil
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Non-member
Re: Best Spark Plugs
Fitted Champion N3C yesterday afternoon. Works fine on idle hot and cold. Haven't try it on full boost (24 psi) yet but do not feel small misfire/twitching around 3k rpm as with Irridium ones. More info tomorrow. Old ones were pretty black since my AFR is bit rich which also caused Irridium plugs not to work as they should.
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Non-member
Re: Best Spark Plugs
i use campus 1.4NA plugs as well
never had an issue. runs well even with 20psi
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