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[6pack] Re: [TR] Iridium tip spark plugs

To: Randall <tr3driver@ca.rr.com>, 6-Pack <6pack@autox.team.net>,
Subject: [6pack] Re: [TR] Iridium tip spark plugs
From: John Mitchell <jmitch@snet.net>
Date: Sun, 18 Nov 2007 18:40:29 -0500
Thanks Randall, I might as well try as they are useless as is.  Is the 
iridium tip as good a conductor as copper?  John

Randall wrote:
>> Would this be because of 
>> the gap, or is copper a better material for non high energy 
>> ignition systems and the iridium just makes them last longer? 
>>     
>
> John, you didn't say what you're trying to fire them with.  IMO .030" is too
> wide for the stock ignition system.  
>
> Oddly enough, NGK's web site doesn't mention not to regap them, only to not
> change the gap more than .008".  In any case, I think the main danger is
> that of damaging the (relatively fragile) center electrode; so careful
> bending of the side electrode should be OK.
>
> Randall
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