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oh, and the guy from MSD just told me that i CANNOT run the blaster coil horizontally. it must be run vertically, or there isn't enough oil to cover the windings, and it will heat up and break down.

from the coil instructions from MSD:

It is recommended to mount the PN 8202 and 8223 coils in an upright position. The High Vibration Coil, PN 8222, can be mounted in any position due to its epoxy potting compound.

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Here's a stupid question, and perhaps it's already been answered.....do you have the MSD tester?

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Been reading this post with interest...from my days as a field engineer for a computer maker it perked my interest.

Low resistance of the plug wires shouldn't be a factor, good or bad, assuming the wires are shielded, which most any wires on the market are.

Resistance is defined as r = E over I...e voltage, I is current. You( in a perfect world) want as little drop in voltage and current to where they are used, as possible. The more resistance a given foot of wire has, the more voltage and current it takes to overcome it, thus reducing effectiveness. Look at a plug wire as a drain in a sink. If the drain is perfectly clear, it will dispose of the most water. If it gets clogged up with hair, etc less water will pass through the drain.
Plug wire is the same way, less resistance, more voltage and current get through, more resistance less voltage and current.
That all said, a few ohms difference( the reading of resistance) in a given foot of plug wire isn't going to make a hill of beans difference in performance Its just a sales tool to sell wire..10 ohms or 100 ohms per foot, both are still way overkill. Msd stuff puts out a TON of juice
My guess is the digital box you are using is picking up some kind of unshielded interference.
My first thought would be to put the digital 6 on the fenderwell away from everything and try it. I had a digital 6 in my Duster that replaced a bad 6al box, never a peep out of it..was installed circa 2005-2006, and is still in the car today( I no longer own it)
In short, move the box away from possible interference and try it, I suspect the issue will go away. just my thought..

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didn't know there was a tester? where do i find one?

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Said this before Take the MSD and walk over to the trash can and dispose.

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This..^^^^^^^^^




Chris..

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Said this before Take the MSD and walk over to the trash can and dispose.

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This..^^^^^^^^^




Chris..

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Mick I have mine bolted on the side of the radiator support for the last 10 yrs with no problems. My other buddy has it in the same spot with no problems.

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mickm...yours is digital, his is not. The digital boxes are very sensitive to RF interference.

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so about to put an end to all this nonsense.

with the box in the engine compartment and the rev limiter set to 6100, the engine started to miss above 4k and was a mess by 5500 or so. usual, nothing new here.

made an extension and moved the box to the passenger compartment, and no miss at all, but did rev limit at around 5500.

now although i did a simple check on the tach earlier, i don't know that the tach is truly accurate.

so, this weekend i'm moving the box to the engine compartment, and once that is done i'll have a known good auto meter tach temporarily installed to see how accurate my tach is. once i know that, i'll go from there.

damn this has been a long, ugly one… the bad part about it is that through all this i didn't really learn anything in particular, just a long, frustrating haul...

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Electrical can be a brain exerciser for sure but you`re gettin stuff done and hopefully you`ll figure it out. I still have the same MSD-6 box and coil from many years ago and always mounted in the car and zero issues.............good luck.