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#1
11-04-2008, 03:44 PM
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2004 Ram QC 4.7l spark plug suggestions
I tuned up truck last year with same plugs that were in truck. Seems that I was getting about 14-15 mpg in city and know down to 13mpg. Are there any better plugs that I could install that would get me back to the 14-15mpg in city driving? Engine idles perfect no missing has plenty of pep. Any other suggestions?
thanks 
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#2
11-04-2008, 07:43 PM
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Re: 2004 Ram QC 4.7l spark plug suggestions
No Bosch plugs and Chrysler products run like crap with Bosch plugs
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#3
11-17-2008, 01:19 AM
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Re: 2004 Ram QC 4.7l spark plug suggestions
I ran the Autolite XP's in my 2000 Grand Cherokee w/ 4.7L, it ran great. I gained a few miles per gallon and it woke the motor right up.
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