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Location:
Sydney
Registered:
June 2003
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Spark Plugs
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Wed, 26 November 2003 03:16
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I am thinking about upgrading my spark plugs and injectors in my car. Just wondering two things.
1. How much of a difference do the two make. I have heard all sorts of stories about the difference that, say, Spitfire plugs can make. Is that true. The same with injectors. Or are standard ones just fine?
2. How much would I be looking at for a good set of both?
Cheers. 
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Location:
Epping, Sydney
Registered:
April 2003
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Re: Spark Plugs
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Wed, 26 November 2003 07:22
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I got some Bosch 4 head things and they are a bit of an alright I reckon.
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Location:
Epping, Sydney
Registered:
April 2003
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Re: Spark Plugs
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Wed, 26 November 2003 07:22
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Plugs c. $50 injectors, > $300 < $1000
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Location:
Brisbane
Registered:
May 2002
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Re: Spark Plugs
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Wed, 26 November 2003 12:28
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You can expect exactly zero gain from spark plugs. All they have to do is ignite the mixture - they either work or they don't! As long as your ignition system is in good working order, leave it alone.
As for injectors, once again there is zero gain to be had unless you've extensively modified your engine to the point where the factory injectors don't flow enough.
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Spark Plugs
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Wed, 26 November 2003 15:38
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| Norbie wrote on Wed, 26 November 2003 20:28 |
You can expect exactly zero gain from spark plugs. All they have to do is ignite the mixture - they either work or they don't! As long as your ignition system is in good working order, leave it alone.
As for injectors, once again there is zero gain to be had unless you've extensively modified your engine to the point where the factory injectors don't flow enough.
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I'll 2nd both those, changing the temperature of the spark plug might make a difference if they keep getting fouled up, but thats it
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Location:
Sydney
Registered:
June 2003
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Re: Spark Plugs
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Wed, 26 November 2003 22:29
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Kewl guys. Thanks.
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