What spark plug gap are you guys using with this coil pack and live wires? I searched and couldn't find info anywhere.
Screamin Demon Coil Pack
tweaker41
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5,129 Posts
I have the MSD Coil and MSD wires and I'm at about .57.
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571 Posts
good plugs? lol, go to napa and get some autolite double plats. please for the sake of god do not run NGK or denso's in ur focus! Your car will feel slower and run like [censored], they are too short. I put the denso's in and i thought my car ran better, no... put the double plats back in and omg, the car just took off! Also, there is a huge thread about spark plug gap on here somewhere search for it. DO NOT, i repeat DO NOT open them up to .065 they are complete morons for telling you its ok to do that.
.054 is all you need to open them up to, anything bigger and the car will run [censored]. There is a big post somewhere explaining spark plug gap, and it says with a bigger coil pack you open the plugs up like .003-.005 more, with FI you close them down to around .040 so realistically with the MSD and FI u will run them at .044 or so. W/o msd and FI u run at around .040, and with just the msd/SD Coil on an N/A application .054 is all you need.
.054 is all you need to open them up to, anything bigger and the car will run [censored]. There is a big post somewhere explaining spark plug gap, and it says with a bigger coil pack you open the plugs up like .003-.005 more, with FI you close them down to around .040 so realistically with the MSD and FI u will run them at .044 or so. W/o msd and FI u run at around .040, and with just the msd/SD Coil on an N/A application .054 is all you need.
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3,267 Posts
The whole idea of opening up the gap is to place the spark kernel farther into the AF charge for a more complete combustion, this doesn't work for every application so you'll just have to experiment. As far a denso plugs go, as long as you get the correct ones they're great. I'm running a set of denso iridiums one step colder than stock and they're awsome plugs.
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2,241 Posts
is it possible to use other makes of wires with the SD coil pack or must you use livewires only?
i'm wondering if the FS or FRPP wires would work.
cheers!
Jerry
i'm wondering if the FS or FRPP wires would work.
cheers!
Jerry
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974 Posts
i dont believe other wires will work other than live wires
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I think you can use any ZX2 wires with the Screamin Demon.
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5,129 Posts
They say that only Live wires will fit. But any wire for the ZX2 Escort with the Zetec engine SHOULD fit.
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2,241 Posts
any particular reason the escort wires would work? what's the diff between those and the zx3 wires?
just curious...
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2,241 Posts
are there any advantages to the MSD over the SD pack? i think i read it allowed you to dial in your ignition timing, is that it, or does it make an even stronger spark too?
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662 Posts
I've been running the Firepower kit with the plugs at the recommended .065 gap for nearly 2 years without a single issue.I've had my Screamin' Demon/LiveWires combo installed for almost a year now, with plugs gapped to .065", and I don't know what you're talking about![Image]()
Why bother getting a hotter spark if you're not going to utilize it?
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