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I tried a search and came up empty. Here is my question:

I'm increasing the compression ratio on my Focus from stock to 10.5:1. This would suggest the temperature in the cylinder is going to raise. Do I need to go to the next cooler spark plug, or is stock still the way to go.

Thanks.
 

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So how do you pick such a thing?
Any Part #'s, or specs to look for?
 

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Originally posted by MichaelXi:
So how do you pick such a thing?
Any Part #'s, or specs to look for?
<font size="2" face="Verdana, Arial">Here's something from Autolite that sheds a little light (sorry, no pun intended) on plugs. Go to the "Parts Catalog and check the links at the bottom of the page...they are .pdf's so be sure and have Acrobat Reader.

[ 09-14-2002, 01:48 PM: Message edited by: Hooked Again ]
 
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