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 >.<
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
Smoother idle probably comes in the form of a tighter spark gap. Which can be achieved by regapping the stock plugs.
My plugs looked identical to cico7's. Just a little wear on the electrode which opens the gap. My gaps were out 15-20 thousandths.
I'm not sure how accurate it is just passing on what I have read. If it is true though It would be worth the extra coins they cost. I think there the NGK Iridiums IK plugs not sure I would have to look the thread back up.Originally Posted by 07JeepXK
I'll have to check them out when I change out my plugs. All I know is im getting rid of the Autolite's.
Thread revival!
I got to thinking I need to change plugs again so I looked up what I replaced the OEM's with. Turns out I went with Champion single platinum 3318. I can't find how long these should last. I've put about 45,000 miles since then. I suppose I should pull one and see what they look like.
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