MSD Coil
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Tuned
Joined: Jun 2008
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From: sc
MSD Coil
i just want to know if i'll run into any issues with the MSD Blaster 2F Coil on my truck. it's a 1984 F150 with a 351w. do i need to add this Ballast Resistor or does this system in the truck already come with from the factory? also what are the benefits of this coil? thanks in advance!!
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Joined: Jan 2001
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From: Virginia
I would not do it. A hotter coil draws more current through the stock ignition module, making the module run even hotter than it normally does.
I would keep the stock coil designed for the stock ignition. If you want a hotter spark, put a msd ignition box along with the msd coil.
I would keep the stock coil designed for the stock ignition. If you want a hotter spark, put a msd ignition box along with the msd coil.
Laughing Gas
Joined: Feb 2010
Posts: 781
Likes: 8
From: Sanford, NC
I run an MSD coil and an MSD 6A box on my 1981 F100 with a modified 351W and it
runs and starts very well. I agree with Franklin on running an MSD coil with the stock
ignition, I wouldn't do it.
runs and starts very well. I agree with Franklin on running an MSD coil with the stock
ignition, I wouldn't do it.
Cargo Master
Joined: Dec 2004
Posts: 3,362
Likes: 22
From: Florence, SC
Originally Posted by ladelld33
so adding the 6a or 6AL box along with the coil will be better for my set up. now what would be the gains from this? now you know my engine isn't stock.
Unless you are taking your truck to the drag strip and/or spinning the engine well over 6000 RPM, the MSD (My Spark Died) ignition system doesn't do anything better for your engine than your Motorcraft Dura Spark ignition does.
At all.
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Tuned
Joined: Jun 2008
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From: sc
i was just thinking that a better coil would give me a better burn that's all but, i don't want to hurt my system and i'm not racing it everyday to the store and home. like i said i'll just bump up the timing and buy the 91-93 octane gas hey i'm already using 89 in her now!
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Joined: Jan 2001
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From: Virginia
Don't believe all of that magazine hype. I have yet to see a test comparing a new MSD ignition system compared to a *new* Motorcraft Dura Spark ignition system that "proves" the MSD is better. They are trying to sell you something for your street vehicle that was made for racing from their sponsors.
Unless you are taking your truck to the drag strip and/or spinning the engine well over 6000 RPM, the MSD (My Spark Died) ignition system doesn't do anything better for your engine than your Motorcraft Dura Spark ignition does.
At all.
Unless you are taking your truck to the drag strip and/or spinning the engine well over 6000 RPM, the MSD (My Spark Died) ignition system doesn't do anything better for your engine than your Motorcraft Dura Spark ignition does.
At all.
But it is expensive.
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Tuned
Joined: Jun 2008
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From: sc
well yesterday i returned it to the parts store & i told the guy what you all were saying about it running the stock ignition box hot. he said that he'd never heard that one before & my reply was that these guys have all tried these coils on their own trucks and know from experience. he had nothing after that. thanks guys for the information..
Cargo Master
Joined: Dec 2004
Posts: 3,362
Likes: 22
From: Florence, SC
I have never run one personally, but have talked to guys who have experienced better idle quality on a modified engine with the msd 6a. It does have multiple sparks at lower rpms so I think it would possibly work better in certain situations. And it can have a hotter spark, since it runs a different primary coil setup, it uses capacitor discharge on the primary for more power on the coil primary.
But was it? Or was it just new?
If "multiple sparks" or a "hotter" spark are so much better, why don't any of the car manufacturers use that technology on their newer vehicles?
Moderator
Joined: Jan 2001
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From: Virginia
When someone claims a better result with aftermarket parts, more often than not what they actually did is what I call the classic "Magazine test." That is where a magazine takes a vehicle with old, worn-out stock parts (30+ year old Duraspark ignition) and replaces it with the latest, brand-new aftermarket parts (MSD ignition) and uses before/after tests to "prove" the aftermarket stuff is superior to the stock parts.
But was it? Or was it just new?
If "multiple sparks" or a "hotter" spark are so much better, why don't any of the car manufacturers use that technology on their newer vehicles?
But was it? Or was it just new?
If "multiple sparks" or a "hotter" spark are so much better, why don't any of the car manufacturers use that technology on their newer vehicles?
Back in the day their were some hot factory setups that did use a cd ignition. I am going by memory so I may be proved wrong, but they were never used on common production engines that I know of.
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Joined: Jan 2001
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From: Virginia
Here's a link on it. But they don't say anything about it being put into any type of production car or truck.
https://en.wikipedia.org/wiki/Capaci...harge_ignition
https://en.wikipedia.org/wiki/Capaci...harge_ignition
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Tuned
Joined: Jun 2008
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From: sc
well i did bump up the timing over the weekend and the truck woke up just a tad and the exhaust doesn't smell bad anymore. i'm now using premium unleaded gas but that's ok! it's not dieseling when i shut her off so far so i'm rather happy with it..now i just gotta stop them darn valve covers from leaking......
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