Screamin' Demon coil pack progress....
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From: Charlestown, IN
Originally Posted by Rockledge
It's not going to impact it at all. You should hold off on a new coilpack and save a little bit more $$ and pick up a chip/tuner. Then go from there.
Unless you have already done some mods to your 4.0L that have resulted in a substantive increase in compression ratio, then there is no reason at all to tinker with the stock EDIS ignition system. It is more than robust for what you have.
Unless you have already done some mods to your 4.0L that have resulted in a substantive increase in compression ratio, then there is no reason at all to tinker with the stock EDIS ignition system. It is more than robust for what you have.
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Originally Posted by IR0NS1N
Ok so I have a question, did you keep your old plug wires and stuff too? Mine have about 37k miles on them and I really want a coil pack and I would gap my plugs to .065 too.
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From: Connecticut
Originally Posted by lifted97ranger
why are you always so negative ......
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From: Avon, IN
Originally Posted by Rockledge
It's not going to impact it at all. You should hold off on a new coilpack and save a little bit more $$ and pick up a chip/tuner. Then go from there.
Unless you have already done some mods to your 4.0L that have resulted in a substantive increase in compression ratio, then there is no reason at all to tinker with the stock EDIS ignition system. It is more than robust for what you have.
Unless you have already done some mods to your 4.0L that have resulted in a substantive increase in compression ratio, then there is no reason at all to tinker with the stock EDIS ignition system. It is more than robust for what you have.
so your more or less saying that this coil is pointless unless you have higher then stock compression... then why is mr jone's *** dyno showin noticeable improvement with his STOCK compression?
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From: Connecticut
Originally Posted by Big04Ranger
so your more or less saying that this coil is pointless unless you have higher then stock compression... then why is mr jone's *** dyno showin noticeable improvement with his STOCK compression?
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From: Charlestown, IN
the coil pack WILL imporve the stock spark on a stock ignition system.....it is just like adding a MSD to a '79 351.........it is an upgrade to achieve a better spark......there is ALWAYS something that can be upgraded on a vehicle...
off topic but i had a friend that put a $700 6 puck race clutch in a stock 85 300z. dumas$$
this is only an $80 coil.
and butt dynos lie too. mine swears i gained 10hp from an oil change. haha
this is only an $80 coil.
and butt dynos lie too. mine swears i gained 10hp from an oil change. haha
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From: Lake Elsinore, Ca.
It's not going to impact it at all. You should hold off on a new coilpack and save a little bit more $$ and pick up a chip/tuner. Then go from there. Unless you have already done some mods to your 4.0L that have resulted in a substantive increase in compression ratio, then there is no reason at all to tinker with the stock EDIS ignition system. It is more than robust for what you have.
If not its only your opinion & sometimes opinions coming from some people are utterly worthless.
Rick
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From: Connecticut
Originally Posted by RHuckster
I assume this statement comes from the fact that you've already done this mod & didn't show any difference on a dyno...correct?
If not its only your opinion & sometimes opinions coming from some people are utterly worthless.
Rick
If not its only your opinion & sometimes opinions coming from some people are utterly worthless.
Rick
Summary of Ford DIS/EDIS "Waste Spark" Ignition System
Aside from any and all of the stuff I could read on the subject, my research also included correspondence with an electrical engineer who personally spoke with Motorcraft engineers about the design of the Ford EDIS ignition system, particularly as it relates to MC plugs and ignition parts.
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From: Charlestown, IN
Originally Posted by REUBER
updates Maurice? I was just looking at these on Waynes site and then seen this thread.....i just have the Jet Chip....did you take pics of intallation progress by chance?
with this thing and the Bama it is a sweet combo.......right now i have the spark advanced 4 degrees in every rpm range....i am going to play with it a bit more tomorrow after work or saturday with a little more spark......
i drove yesterday about 88 miles and made it on a little less than a quarter of a tank.....that is less than 5 gallons....got about 17.6 mpg and only about 25 miles of that was actually on a highway were i could run 70-80mph.......the rest was on 2 lane highway....granted with no stop signs and the cruise set on about 63mph....
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From: Charlestown, IN
Originally Posted by REUBER
sweet thanks...i think i might get it..what about your actual plugs? you kept them stock and just gapped them out?
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From: Lake Elsinore, Ca.
I'm going to attempt to change out the coil & wires today Maurice. I've got the Truck going in for a major service next week & will have the plugs installed with a .65 gap then. I talked to the service manager & he will make sure it gets done correctly. For some reason they know me & the truck very well after only a few oil changes. 
Rick
Rick
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From: Charlestown, IN
Originally Posted by RHuckster
I'm going to attempt to change out the coil & wires today Maurice. I've got the Truck going in for a major service next week & will have the plugs installed with a .65 gap then. I talked to the service manager & he will make sure it gets done correctly. For some reason they know me & the truck very well after only a few oil changes.
Rick
Rick
........probably because you are like me, would really like to be standing, looking over the guys or gals shoulder who is working on it....lol....i think you will like the difference....whenever you install the coil you have to be careful with how the plug wires go back on.....it is different that the stock pack...make sure you lable them and then follow the instructions they give you with the new coil on were the wires go.......also you will most likely have to remove the orange (or whatever color it is on your truck) seal on the wiring harness plug that connects to the coil pack....if you dont it wont make a good connection and the truck wont start...
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From: Lake Elsinore, Ca.
Yea, I've already made 2 diagrams, 1 of the stock setup & 1 with the change in the wiring on the coil. I would have done the plugs but I know I would have a problem changing them with 1 arm, had the problem when I did my 94 Ranger..especially the 1 passenger rear plug.
Rick
Rick
