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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 05-19-2009
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Icon5 got a question

My 4.0 has about 72k on it with original spark plugs. Im thinking about changing them. Should i stick with stock motorcrafts or is there anything out that is really good for the sohc?? OH and also anyone here runing a screaming demon coil pack and is it any good?
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Old 05-19-2009
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Stock plugs work well in a stock engine. Motorcraft or Autolite will work just fine. If your coil pack is good I wouldn't spend the extra cash for the screamin demon. I have heard that Denso Iridiums will smooth out the idle a bit but I have never tried them.
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Old 05-19-2009
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Motorcraft or autolite plugs for these engines.
I wouldn't waste the money on "performance" coil packs.
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Old 05-19-2009
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I wana get Denso's for my 04 but I'm around the 40k
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Old 05-21-2009
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If your stock.. then stick with the ford motorcrafts.

If your boosting it.. IMO a set of Denso-IT20 is the way to go. (check out my web page)

Rich
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Old 05-21-2009
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motorcraft FTW!!
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Old 05-21-2009
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I replaced mine with Bosch Platinum +2's. No issues thus far. Run some Seafoam through your engine before you replace the plugs.
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Old 06-23-2011
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Is a screaming demon coil pack any better than stock?
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Old 06-23-2011
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Quote:
Originally Posted by hurley View Post
Is a screaming demon coil pack any better than stock?
Not by much. Only buy the SD coil pack if your stock coil pack goes bye-bye.
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Old 06-23-2011
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What is an SD coil pack?
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Old 06-23-2011
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screaming demon coil pack

I would post up the stuffforyourranger link but the site is down.....
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Old 06-23-2011
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Can one be used on a 3.0?
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Old 06-23-2011
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Yep! Just make sure you get the 3.0 one. Most guys on here get them from this site:

http://www.stuffforyourranger.com/st...or_maintenance

But as you can see they are down at the moment.
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Old 06-23-2011
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Thanks guys
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