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Unread 03-15-2009, 01:29 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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1999 WJ /IRO 6" C.Path LA F&R /clayton's 4 linked rear end /D30-ARB /D44A- Aussie'd /Chromoly U-Joint F.Axle /242hd /4.10's /FOX 2.0 shocks /JKS shock adapters /F.Adj T.Bar /HD double SS/Pitman drop kit /T.Woods F.double cardan d.shaft +pinion yoke&TC yoke /265/75/16 bf mt /Solid HD dana 30 cover/Double open air fillter/ black rock 4" bs /Lower F+R C.Spring Retainers /4" front B. Stops /SUPERCHIP /Addco Rear HD Sway Bar /Rock Sliders /T.case skid plate /HAYDEN hd gear radiator
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Unread 03-15-2009, 05:13 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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