good time to do plugs? - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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  #1  
Old 11-23-2009
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good time to do plugs?

What mileage do you guys recommend for plugs?
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Old 11-23-2009
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around 40k. Depends on plugs though. DO NOT GET E3's.Bosch Platinum's are trash too. Buy Motorcrafts or NGK's. They should also come pre-gapped. I would recommend doing your wires too at the same time.
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Old 11-23-2009
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I would do them around 60k-70k. Thats when I did mine. They are pretty hard to change if you dont have a lift.

Thats why I say wait to 60-70k.
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Old 11-23-2009
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Lord of war has a point lol. I don't know how hard it is to change plugs on a 3.0 but on a 4.0 its easy on the drivers and hard on the passenger side. With headers its damn near impossible. Even with a lift....
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Old 11-23-2009
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They are rated for 100 but that seems too long. 60 is good.
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Old 11-24-2009
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Quote:
Originally Posted by Ranger093 View Post
around 40k. Depends on plugs though. DO NOT GET E3's.Bosch Platinum's are trash too. Buy Motorcrafts or NGK's. They should also come pre-gapped. I would recommend doing your wires too at the same time.

^^ ditto what he said....i used the bosch platinums because the guy who sold me the truck left them in the console....when the weather got cold....(50's) i started getting misfire codes... threw in some Motorcrafts and it cleared up

i'd say the 60k mark would be fine to change them
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Old 11-24-2009
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What plugs and wires would be the best performance combo?
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  #8  
Old 11-24-2009
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Motorcraft Platinum plugs or Iridium. NGK Platinum or Iridium.
--------------------PLUG WIRES---------
Underdog 8mm Silicone Plug Wire Set [udpws1] - $48.00 : Underdog-Performance, The Art of Power
----------------------------------Or these,
Underdog HeatBraid 8mm silicone plug wire set [wshbx] - $68.00 : Underdog-Performance, The Art of Power

WORTH EVERY PENNY!!!!!!!!!!!!!!!!!!!!!!!!!
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Old 11-24-2009
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would the plugs and wires go well with the screamin demon coil pack?
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Old 11-24-2009
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I changed mine at 40K and found half of them severly worn. HUGE gaps.

40-60k sounds like a good deal to me.
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  #11  
Old 11-24-2009
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When I changed my OEM plugs at 85K they were done. The electrodes were very unevenly worn and the platinum was gone. My truck has used a lot of E85 though, which is hard on plugs.

I used Motorcraft plugs from the parts store. The ones I got were not pregapped for a Ranger. They were at around .054 out of the box, so I regapped them to .044.
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Old 11-24-2009
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Did mine at like 60ish-k

Autolite Double Plats and Underdog wires. Wasn't that hard, just a little time consuming to route the wires. You don't need a lift, I had one but didn't use it.
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Old 11-24-2009
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I did mine at 60k and the gap was terrible. I used the Underdog wires and Motorcraft Plats and it ran great. Prepare for some bruised knuckles though
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Old 11-24-2009
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Quote:
Originally Posted by yellow rhino View Post
would the plugs and wires go well with the screamin demon coil pack?
I have the screamin Deamon coil pack. I think it was worth it. My plugs are gapped to .065 and I know I get consitant spark.
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  #15  
Old 11-24-2009
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Thanks for the replies, yeah im prepped for bruising and all.
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  #16  
Old 11-25-2009
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Anybody use the denso Iridium's yet?
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Old 11-25-2009
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Quote:
Originally Posted by Ford04Ranger4.0 View Post
Anybody use the denso Iridium's yet?
Rich(wydopnthrt) has. He likes them over the NGK Iridium plugs. I was going to a set of the Densos but I'm selling so no need for them.
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  #18  
Old 11-26-2009
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Quote:
Originally Posted by whippersnapper02 View Post
Rich(wydopnthrt) has. He likes them over the NGK Iridium plugs. I was going to a set of the Densos but I'm selling so no need for them.
Oh alright thanks
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  #19  
Old 12-04-2009
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I replace mine at 91k with autolite platinums. I still haven't got wires yet,
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