Causes for lowered gas preformance?

[julie at menloparkrandd.com (julie@menloparkrandd.com)]

I like the coppers. 
In my mind, the platinum has a lower resistance, but a smaller arc surface area, the coppers with a bit higher in resitance, but a greater surface area allows a fatter spark.

>-----Original Message-----
>From: Neptuno [mailto:neptunonc@yahoo.com]
>Sent: Monday, December 18, 2006 11:10 AM
>To: 'Don Walter', roccit_53@scirocco.cs.uoguelph.ca
>Cc: scirocco-l@scirocco.org
>Subject: Re: Causes for lowered gas preformance?
>
>What about spark plus. I have heard at least for the 1.7ltr that I have (and maybe all 8v) To stick with the copper Bosch plugs W7D IIRC. last time that I did a tune up I bougth the platinum Bosch replacements (I think they may actually suck)
> 
> When I went to the FLAPS yesterday they again had the platinum ones. I refused to buy them. I am going to try and find the plain old copper Bosch plugs.
> 
> What says the list?
> 
> Thx
> 
> EL T
>
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