Hey guys,
Can anyone give some pro's and con's on the MSD v. Screamin' Demon? I have a 2006 V-6 daily driver with a highway commute of about 45 miles one way. I am looking for power diffs and effects on mileage specifically.
Thanks,
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Lee Yoder Black 2000 3.8L V6
Densecharger CAI Redfire Metallic 2006 4.0L V6
JLT CAI, SCT 93 Octane Performance tune, GT Take-off Rear Swaybar
i installed the demon and livewires and posted it on here. since then this last year alot of guys have bought the coil and most feel it made not a huge but a increase in performance. it was my second mod( after exaust). the testimonial ( and dirty engine bay pics) on the bottom of the page on performance distributors site is from me ive never tried the msd, but a bunch of guys use their wires. i would think their coil would be comparable but never checked the specs on it. either way, i would think the coil and hi-po wires producing increased spark would help with mpg. then again, i didnt really get it for that reason also, i was nearing 50,000 and was ready to replace my wires anyway, so adding the coil just made sense to me.
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goina hundred in a 55, and i dont know why..
some things were just meant to be..
05 V6 auto, torch red, basic,:cool: a few mods
06 V6 stick, vista, premium (g/f`s car)
ive never heard of an MSD coil for the 05+ either...
but ive heard nothing but good things about the SD coil
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2007 Satin silver 4.0-"Sadie"- Dual Pypes Violators, JLT CAI and 93 bama race tune, motive 4.10 gears and FRPP T Lok BEST E.T.- 14.485 AT 94.1
1985 Regatta Blue 'vert 5.0 LX-"Sally" 87 5.0 motor, Holley 600 4bbl carb, edelbrock high rise intake, MSD ignition, 1.7 Roller Rockers, underdrive pulleys, A/C and smog delete,BBK O/R H-pipe, flowmaster American thunders. transformed from a 3.8 to a 5.0!
I've had my Screamin' Demon, wires, and new plugs for a week now.
If you have an automatic V6, you need this upgrade.
It all but gets rid of that muddled, laggy sensation when you press the accelerator and the engine hesitates then rev's up and shifts.
Does it give you more horsepower? I'm not sure.
What I noticed was better throttle response, more torque when you pull out (yeah you can feel the difference here), and faster "giddy up" when I press down on the pedal.
I have a CAI and a custom tune, so I'm not stock but I'm also not heavily modded. The custom tune I have seems to work great with the new coil and wires. The parts have a year warranty on them and Performance Distributors had the order out to me in less than 3 days.
Differances between MSD 6AL and Screamin' Demon 
ive never tried the msd, but a bunch of guys use their wires. i would think their coil would be comparable but never checked the specs on it. either way, i would think the coil and hi-po wires producing increased spark would help with mpg. then again, i didnt really get it for that reason 
also, i was nearing 50,000 and was ready to replace my wires anyway, so adding the coil just made sense to me.
