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Evening ladies and Gentlemen,

It's time :crikey:to change up the spark plugs and wondered what others have moved to. I was wanting the slpitfire plugs but noticed they don't make them for the 2006 nissan frontier LE V6. I'm looking to have better combustion/cleaner burn/better fuel economy etc. Plus I was wanting to upgrade the wire to more powerful ones and then install the superchips. So if anyone can help steer me in the right direction I'd love it.


Thanks
 

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As far as the plugs go, either stick with the OEm or maybe step up to the NGK iridiums. And for the wires......there are none, coil on plug
 

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i went diamond e3 spark plugs notice a bit faster revving i also installed a wrp i.m.s. same time since u have to take the the intake manifold off to change the plugs
 

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NGK iridiums worked out great for me, have had no issues with them so far

I do believe stock plugs in the frontys are NGK platinums, so upgrade if you think its worth the extra cheddah, and quite frankly the difference between platinum and iridium in terms of performance and economy will be minimal

i went diamond e3 spark plugs notice a bit faster revving i also installed a wrp i.m.s. same time since u have to take the the intake manifold off to change the plugs
Not if you got a few extra wrench extenders, its a little bit of a PITA but much easier than taking off the manifold
 

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NGK iridiums worked out great for me, have had no issues with them so far

I do believe stock plugs in the frontys are NGK platinums, so upgrade if you think its worth the extra cheddah, and quite frankly the difference between platinum and iridium in terms of performance and economy will be minimal



Not if you got a few extra wrench extenders, its a little bit of a PITA but much easier than taking off the manifold
I don't know what year they crossed over, but the first few years of 2nd gen frontiers have platinums, but at some point, like my 2008, they crossed over to iridiums.
 

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As stated earlier, we have plugs and coil packs, there are no wires.

What has been reported to work best in most Nissan's and foreign engines is NGK. They are a bit expensive but are worth it since they are susposed to last 100k (60-75k to be on the safe side).

Side Note: If you do get the superchips, care to give me a quick trip in your truck so I can see how it does compared to mine. I believe I have more bolt-ons then you but I only have the 2deg timing bump and not a full tune.
 

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i can say for sure that yours came with ngk platinums stock as i know my 07 did so i think 08 was the point that they changed to iridium. not sure why they switched, iridium is a much stronger material than platinum and a decent conductor but not the best. it does however allow the tip to be made much smaller due to its strength helping to keep a very consistant and focused spark and have been known to have the ability to light poorer air charges than platinums. copper plugs are the best conductor and make the best spark out of all plugs but have a very short life span. iridiums may be expensive but they wont let you down
 

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Just changed the plugs out in my '07, 45k miles. OEM were NGK Iridiums. Replaced with Bosch Platinum Iridium Fusions... immediately noticed a much smoother idle.
 

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Just changed the plugs out in my '07, 45k miles. OEM were NGK Iridiums. Replaced with Bosch Platinum Iridium Fusions... immediately noticed a much smoother idle.
are you the first owner of your truck cause if they were iridium then i'm pretty sure they weren't oem. all the manuals for 07 only say platinum as the spark plug for our trucks and only give a part number for ngk platinums. in the 08 manuals is where it starts listing part numbers for both platinum and iridium and is when the owners manual starts saying "iridium if so equipped" and its the same for 09
 

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are you the first owner of your truck cause if they were iridium then i'm pretty sure they weren't oem. all the manuals for 07 only say platinum as the spark plug for our trucks and only give a part number for ngk platinums. in the 08 manuals is where it starts listing part numbers for both platinum and iridium and is when the owners manual starts saying "iridium if so equipped" and its the same for 09
Yup... I ordered her exactly like I wanted, waited 7 weeks and then took delivery the day she came off the truck. MFG date is 11/06. Also, the truck has never been in for warranty work or service. Aside from tires, I'm the only one who has done any wrenching on it. Plugs removed are NGK IR DILFR5A 11. Plugs I installed are Bosch Platinum IR Fusion 4516 and the truck has the smoothest idle I've experienced since day 1.

Now, I was in Upstate NY when I bought it so maybe the plugs were part of some NY emissions thing... although I would swear that the only option when I ordered was 50 state emissions.?.
 
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