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> Iridium vs V-power
post Dec 20, 2003 - 11:50 PM
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hyp3rk1d



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I went to my local auto shop today and i was planning on purchasing NGK Iridium plugs.. they said they didnt have any of them but they had NGK V-power.. what is the difference and should i get them or no?? if not where can i get NGK Iridium plugs?
 
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post Dec 22, 2003 - 2:30 AM
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97GTinKC

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QUOTE
Ford - Autolite spark plugs
GM - Champion
European (BMW, VW, etc.) - Bosch
Most Japanese Imports - NGK


Dont let GM hear you say that, they actually use AC (Delco) spark plugs,
Chrysler used the Champions,,,

And stick with the recommended heat range or maybe 1 range colder if you drive hard, All the heat range is, is how quickly the plug dissipates(?) heat. too hot and the electrode stays red-hot and you get pre-ignition (Very bad)...too cold and you dont keep the carbon and other junk burned off the plug and get mis-fires. Colder plugs will have a short, fat center ceramic electrode post to get the heat to bleed off into the cyl head quicker, while a hot plug will have a long, thin center ceramic electrode post to let it stay hotter.

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