I spent about $6 per plug for Autolite Iridiums, IIRC. I went with them because of recommendations and longer service intervals. I did cost a bit to do the service...Originally Posted by cico7
$6 x 16 Hemi plugs = $96
My Hemi has an EPA Hwy rating of 18mpg, but with easy driving and rolling terrain I can get about 20mpg. I didn't notice much difference in power or response. Service done at 30k miles.
2007 Commander Overland / 4" SuperLift / 285/70R17 Cooper Discoverer ST Maxx / Rusty's adjustable rear UCAs / Carolina Driveline front drive shaft / Flashpaq / DRLs & Tilting Mirrors / Autolite Iridiums / Cobra 29LX Chrome LE CB & Firestik antenna / Rear fog lights / Mopar Grille Guard with HID driving lights
"4 wheel drive does not mean 4 wheel stop!" -Lee Goldberg, WABC TV weatherman
So the question is do I go with the Champion Double Platinum or Iridiums since prices is about the same here...
"If we ever forget that we are One Nation Under God, then we will be a nation gone under." - Ronald Reagan
There not priced the same the Iridiums are more money then the platinum. Platinum are about 4 Iridiums are at least 8 at least they were last time I did mine.
Ah in Alaska you would be baffled by pricing. So it comes down to if the difference is only a couple dollars which do I get... decisions >.<
"If we ever forget that we are One Nation Under God, then we will be a nation gone under." - Ronald Reagan
I dont think its really going to make that big of a difference which one you go with. If they are approx. the same cost, go with the one that will last longer.
2007 4.7 Liter XK | Front Modified OME HD Lift | Rear 4" Superlift | JBA UCA's | Rusty's Rear Adjustable Track Bar | Rysty’s Adjustable Upper and Lower Rear Control Arms w/Heim Joints | Mickey Thompson Classic III 17x9 Wheels | 315/70R17 Goodyear Duratracs | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front Electronic Locker | Rear Heat/AC Delete
well all the guys putting the iridiums plugs are claiming a 1-2 MPG gain on them plus the smoother idle and so on. The guys just putting in the platinums are not claiming any mpg gains but are commenting on smooth idle and such. This is just what I have read in other threads. I have the platinums in mine and no real MPG gains but smoother idle and so on.
That seems to be a big gain for just swapping out plugs. I wonder how accurate that is.
2007 4.7 Liter XK | Front Modified OME HD Lift | Rear 4" Superlift | JBA UCA's | Rusty's Rear Adjustable Track Bar | Rysty’s Adjustable Upper and Lower Rear Control Arms w/Heim Joints | Mickey Thompson Classic III 17x9 Wheels | 315/70R17 Goodyear Duratracs | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front Electronic Locker | Rear Heat/AC Delete
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