Plugs & air filter - Jeep Commander Forums: Jeep Commander Forum
Regular Service / Maintenance This section contains discussion about regular service and maintenance (upkeep) of your Jeep Commander

 
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post #1 of 3 (permalink) Old 02-23-2013, 09:36 PM Thread Starter
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Plugs & air filter

Bought a 2007 4.7L a month ago finally got around to changing plugs today everyone went smooth until the last one, took me 15 min alone lol. After reading all the threads I finally decided to go with a k&n drop in and not a whole kit... Next week converting over to full synthetic!
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post #2 of 3 (permalink) Old 02-24-2013, 08:17 PM Thread Starter
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What is the gap for the 4.7... I thought it was .40 but all the plugs I pulled which were original were .50

2007, 4.7L, Trail Rated,Rocky Mountain Edition, K&N, Silverstar Ultra, LED interior!
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post #3 of 3 (permalink) Old 02-25-2013, 08:10 AM
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Also what's the gapping for 06 5.7l? I need to do mine too.

By the sounds (reads) of it, if I mod my own air box and get a k&n drop in filter, I can get the same mpg increase as a whole CAI. Ppl claim 0.5-2 mpg increase for either.

Any updates or words from those with either setup on that?


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