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Why the differance 4.0Ltr's

 
  #1  
Old 03-11-2019, 06:22 AM
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Cool Why the differance 4.0Ltr's

Can someone please tell me why there is a difference in this chart from NGK spark plug ref page Re: BKR5EIX-11 plug
NOTE on my photo the 3rd and 4th line from the bottom of page see the difference in HP
both 1998 both4.0 Ltr 363hp & 284hp
so what makes the difference between these motors?


 
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Old 03-11-2019, 06:25 AM
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Supercharged and naturally aspirated.
 
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  #3  
Old 03-11-2019, 03:53 PM
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4 words that deflated me, thought I was gonna get lucky with more hp somehow LOL
thank you again I guessed there would be the SC at the end of XJ.
Ta Cambo
love the supercharged cat heee
 
 
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