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Unread 03-15-2009, 12:29 PM   #1
genislav ronen
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1999 WJ 
 
Join Date: Nov 2007
Location: israel
Posts: 166
which spark plugs for wj's best preformance ?

as writen ,
1999 v8 4.7 wj ,
with superchip ,
would like to get the best spark plug for my wj's best preformance .
what do you recomend ?

thanks

ronen

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Unread 03-15-2009, 04:13 PM   #2
Turbonut
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Join Date: Nov 2004
Posts: 1,828
Ignition is one of the hardest items to improve upon, so just stick with the factory OE plugs.
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