After researching, I decided the give the Autolite XP5325 a try. Ordered from rockauto.com on Tuesday, was delivered to CANADA on thursday! I was very impressed with that for $12 shipping.
First impression, idle is smooth, throttle is smooth, shifting even seems smoother. I am happy with these plugs, and shouldn't have to bother changing them again for a lot longer then the stock plugs.
If you are on the fence to try these plugs like I was. Go for it!
2012 Ram 2500 Powerwagon, Bright White Clearcoat w/ Rambox CMS, Stock (For Now)
2010 Ram 2500 SLT CCSB 4x4 5.7, Deep Water Blue, Toyo Open Country A/T, SpaceKap + Ladder Racks + Conduit Box(Work Truck)
2010 Ram 2500 TRX4 CCSB 4x4 5.7, Brilliant Black, Truxedo Edge, Go Rhino Dominator III Nerf Steps, Superchips 3865.
2004 Ram 1500 SLT RCSB 4x4 5.7, Atlantic Blue, 33" Toyo Open Country M/T
2010 Dodge Ram 1500 Big Horn Crew Cab 4x4 Hemi - "Green" air filter, HBS 2.5" Leveling, Line-X Bedliner, 4 X KC Apollo 5" Lights, Cobra 29LX CB, Iron Bull front bumper, TOYO AT II Xtreme Tires, Fuel "Pump" rims.
FTC (SS/IDW) Countryman USN
2013 Dodge Ram Sport Crew Cab 5.7 Hemi 3.92 Gears, Billet Tech Catch Can, AFE Custom Intake, Crux Interface Sightline
Unless you are running boost, there is no real reason to change to a different heat range.
Mineral Gray 2010 Dodge Ram CC Hemi Sport
Exterior: Limo tint | Painted tips | Painted calipers | De-badged | Painted grill inserts | Gloss black b-pillars | Color matched antenna base |
VHT tinted puddle lights | Color matched tailgate handle | Shaved and two-toned grill | Painted Vararam lid w/ two-toned Ram badge |
Color matched Laramie 2500 flares | Shaved tailgate badge | Shortened and painted antenna
Lighting: Color matched headlights retrofitted with 5000k Morimoto projectors |
5000k HID fog lights tinted with Lamin-x | 6000k HID retrofitted reverse lights
Interior: Color matched interior plastics | 2 MTX 12" subs in a cheap box | REN MyGig 30gb headunit | Black microsuede wrapped headliner and sun visors | Black microsuede wrapped and shaved pillars | Black microsuede wrapped custom made door inserts | SEM black painted interior plastics
Suspension: McGaughy's 2/5 Economy drop | BrakeMotive cross-drilled and slotted rotors | All black Milano M724 22s | 305/40R22 Nitto 420s | AirLift Helper Bags
Performance: Superchips Vivid Paq w/ trans tuning | Vararam Air Grabber | Magnaflow 18" Muffler | Raceland USA E-Cutout |
Billet Technology Oil Catch Can | Clutch fan delete | 180 T-stat | Magnaflow Y-Pipe with relocated crossover pipe
Most plugs come with anti-seize / anti corrosion plating already. (typically silver colored threads, beware of 'black' threads.)
IMHO, not enough threads sticking into the combustion chamber to 'carbon up' and cause one to bust a plug upon removal.
I won't be changing these out until they have 50-60k on 'em, (or if ~30~ months or so has passed),,,BUT, if other folks wanna change plugs more often, that's fine.
Often wonder if folks notice there is a TIME requirement on changing the plugs as well as a MILEAGE requirement? (Galvanic corrosion/Dissimilar metals is responsible for more seized plugs in alum heads than anything else,,,)
30,000 Miles (50,000 km) or
30 Months Maintenance
❏ Change the engine oil and engine oil
❏ Rotate tires.
❏ Replace the engine air cleaner filter.
❏ Replace the top row of spark plugs
❏ Replace the spark plugs (3.7L and
❏ Inspect the transfer case fluid.
As for the heat range, I think the XP5325 are the same range as OEM. They come up as on OEM replacement on every auto parts site.
I already changed at 30K and will wait until 78K to do again.
as with most, they looked great coming out the first time.
2009 Quad Cab SLT White,Hemi,2WD,20 inch wheels,3.92 gear.2003 Quad Dually 4x4,6 speed,4.10 gears,diesel.Banks 4 inch exhaust,Afe Pro Guard filter,Rottech crank sensor mod.Amsoil fliuds front to back.08 Corvette Convertible.
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