2015 Dodge Ram 1500 5.7
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2015 Dodge Ram 1500 5.7
What are the best spark plugs for a 2015 Dodge Ram 1500 with a 5.7 HEMI? Should I stick to factory? Looking for power and gas mileage but if I have to choose, gas mileage would be the one. Thanks.
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Joined: Apr 2010
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From: Clayton MI
Stick with the manufacturers recommendation. You aren't going to get any better performance/fuel economy by changing sparkplugs... Unless, of course, yours are really worn, or the wrong ones.... 
