Screamin' Demon coil pack progress.... - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource


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

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  #26  
Old 01-10-2007
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nope....since i dont drive my truck that much it may be a while before i run gas through it...
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  #27  
Old 01-10-2007
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Quote:
Originally Posted by lifted97ranger
...and i keep haveing a bad plug in the #3 cylinder and i think it is the coil pack......
The same coil that fires the #3 cylinder also fires the #6 cylinder. If it were a coil issue you'd be having the same problems with the #6 plug.

I would suspect a fuel injector problem, or possibly even a base engine concern (intake or head gasket, for example).
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  #28  
Old 01-19-2007
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Have you changed the gap on your plugs yet? How's it running?
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  #29  
Old 01-19-2007
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i am going to be re-gapping them tomorrow......my truck spent the last 2 weeks at my uncle-in-law's getting the rear end fixed......and replacing the plugs that the dealership gave me the wrong ones when i changed them in February......

i will have a reading tomorrow on what the milage increase is with stock gap and the Screamin' Demon coil pack.......
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  #30  
Old 01-19-2007
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Sweet, I've been looking at these for a while now, and if you turn up some good readings it will deff. be on my list of things for the truck.
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  #31  
Old 01-19-2007
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i dont know how much of a gain i will get........i can tell you for a fact that with the stock gap and the Screamin' Demon that the truck idles and runs sooooooo much smoother........
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  #32  
Old 01-19-2007
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ya i wana know also i got some 80$ wires and autolite +2 or something and still nothing diffrent so maybe i can try this.

is it jsut a plug and play?? or does it need to be re wired places? and if it helps mpg then that is also good
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  #33  
Old 01-19-2007
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the only difference is how the plug wires go on the coil.....and it comes with instructions...
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  #34  
Old 01-19-2007
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LOL damn it I want results!
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  #35  
Old 01-19-2007
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you will get results soon enough..............i will have a stock gap and Screamin' Demon result tomorrow.....or maybe later tonight.....
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  #36  
Old 01-19-2007
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lol. I'm wondering if you'll wait to install the tuner until you've done the gapped tank of gas. That would be a tuff one.
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  #37  
Old 01-19-2007
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Quote:
Originally Posted by graniteguy
lol. I'm wondering if you'll wait to install the tuner until you've done the gapped tank of gas. That would be a tuff one.
yea that will be a tough one........i prolly will be able to run a tank out of it if i get up and gap them 1st thing and then go get gas.......i prolly wont get the tuner until thursday....
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  #38  
Old 01-21-2007
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Any updates on this yet
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  #39  
Old 01-21-2007
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nope....going out to gap them here in about an hour.....and then to get gas....
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  #40  
Old 01-21-2007
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i actually will have to gap the plugs tomorrow......it is raining here and i have no garage to work in that is local......so tomorrow i will gap the plugs out to .065.....sorry guys to keep you waiting.........
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  #41  
Old 01-21-2007
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no excuses! lol
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  #42  
Old 01-21-2007
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So get gas now, and gap the plugs tomorrow!! I want results!
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  #43  
Old 01-21-2007
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Gas station that is closed with a cover? You can do it there! lol
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  #44  
Old 01-21-2007
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got the gas.....plugs tomorrow.....1st thing after work........

BTW.......UPDATE ON 1ST POST!!!!
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  #45  
Old 01-21-2007
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Wow, can you think of any reason for the big decrease in mpg?
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  #46  
Old 01-21-2007
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I hope it's due to the improper gapping for the new coil pack.
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  #47  
Old 01-21-2007
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Quote:
Originally Posted by winks
Wow, can you think of any reason for the big decrease in mpg?
nope......the only explainations i can think of is:

1. Truck was missing the next day after i installed the Screamin' Demon....had NOTHING to do with the coil pack, it was that the dealership sold me the wrong plugs for the truck....
2. That the plugs NEED to be gapped out to .065" instead of left at stock gap......I wish i had time to run another tank of gas through her before the Bama comes in, but i dont think i do......I dunno i may drive her to work this week since gas is down to $1.95 a gallon here......
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  #48  
Old 01-21-2007
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Quote:
Originally Posted by Roach2004
Gas station that is closed with a cover? You can do it there! lol
all the gas stations around me stay open 24 hours...
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  #49  
Old 01-22-2007
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Quote:
Originally Posted by winks
Wow, can you think of any reason for the big decrease in mpg?
i thought about it more last night......could also be that big **** tire that is sitting in my bed blocking the air flow! lol that is the 1st mpg check after installing my spare tire mount with the 35 on it........you know, the air bubble that the Myth Busters said happened in the truck bed....
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  #50  
Old 01-22-2007
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lol so your results really wont be too accurate.

plus the ambient air is different then your other mpg figures. and you have done more mods since then.
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