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Best Spark Plugs for 5.7 Hemi? #703023 05/20/10 08:00 AM 05/20/10 08:00 AM
Joined: Jan 2003 Posts: 943 Mopar World Headquarters P1970HeMICuDA OP super stock
P1970HeMICuDA OP super stock Joined: Jan 2003 Posts: 943 Mopar World Headquarters	Just wondering about changing plugs in the truck - NGK or ? I've heard that NGK are recommended in the the old motors, anybody tried them in a new one? What about mileage and performance?

Re: Best Spark Plugs for 5.7 Hemi? [Re: P1970HeMICuDA] #703024 05/20/10 10:45 AM 05/20/10 10:45 AM
Joined: Jan 2003 Posts: 21,071 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,071 Niles , Ohio	My kid changed the ones in his 04 Ram.He put in Champion Platinums.It picked up about 1/2 mpg.The factory Champions had like 29K when he did it.Been in for 25K and no problesm at all.Rocky Chrysler Firepower

Re: Best Spark Plugs for 5.7 Hemi? [Re: therocks] #703025 05/20/10 10:51 AM 05/20/10 10:51 AM
Joined: Sep 2009 Posts: 186 Kansas, USA V Venomvpr900 member
Venomvpr900 member V Joined: Sep 2009 Posts: 186 Kansas, USA	Stick with the champions 1987 D-100 SWB, 390hp/360ci Mopar Performance Crate, Built 998 trans, 9.25 axle with sure-grip and 3.92's - 3960#'s with driver 13.83 @ 96.36 1.98 60 ft 2003 Dodge Ram 2500 HD 5.7ltr HEMI!!!

Re: Best Spark Plugs for 5.7 Hemi? [Re: P1970HeMICuDA] #703026 05/20/10 06:08 PM 05/20/10 06:08 PM
Joined: Mar 2003 Posts: 571 Beaverton, OR, USA Alikazam super gas
Alikazam super gas Joined: Mar 2003 Posts: 571 Beaverton, OR, USA	I only ever run NGK in anything myself But its what flavor you like best mostly. I'd put in NGK Iridiums myself (assuming they were made in the proper heat range).

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