MSD blaster coil failures?
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MSD blaster coil failures?

  1. #1
    Senior Member Boat 405's Avatar
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    Default MSD blaster coil failures?

    Not a big deal, but I wouldn't normally consider a coil to fail much but I have lost 2 msd blaster coils in the last 6 years, maybe that is good maybe not. Anyone else have experiences with them failing. Every three years I can handle but I now keep spares.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    i've owner 6-7 of them and never had 1 fail. have had the occassional box failure due to water or the cold soldering job msd tech guys do on the boards but i know how to fix those. a guy here local just had a 600hp nitrous explosion due to a crank trigger transducer firing at will, it was msd brand, did some odd things before finally blowing the motor all to hell during a nitrous pass.

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    Senior Member Boat 405's Avatar
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    Quote Originally Posted by IMPATIENT 1 View Post
    i've owner 6-7 of them and never had 1 fail. have had the occassional box failure due to water or the cold soldering job msd tech guys do on the boards but i know how to fix those. a guy here local just had a 600hp nitrous explosion due to a crank trigger transducer firing at will, it was msd brand, did some odd things before finally blowing the motor all to hell during a nitrous pass.
    ouch....

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    cfm
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    Blaster coils are oil filled. Oil filled coils should be only mounted vertically. If mounted horizontally the oil won't be covering all the internals and thus won't remove heat like it would vertically.

    I have been using the epoxy filled coils (MSD HVC, Accel, Crane, Jacobs) for a long time and have had no failures. Then again, most of the boats/cars I've installed ignitions in didn't have problems with the Blaster or other oil filled coils either. So, I guess I'm not much help other than the first paragraph. LOL.

  7. #5
    cfm
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    Oh, if anyone has MSD issues or would like to upgrade yo u may want to check out this place.
    http://www.techwestracing.com/

    One of the people from that company wrote this in another forum answering someone's MSD issue questions:

    What coil are you running? If it is a Blaster 2 then you need to make sure it is mounted with the tower straight up and down. If is laying on its side or any version other then vertical the windings inside will short out over time and cause the type of lay down issue your talking about. Other than dead MSD boxes we repair that is one of the common problems out there with the oil filled coils. If you would like a suggested option for an upgrade checkout a Carquest FD-478 or Autozone C-839 they are TFI style coils ( No Oil inside) can be mounted in any orientation. Plus they will get everything out of your MSD 6AL with a 3% better rpm ramp from 3300 to 7000 over the Blaster2 & they are usually about $30.00.

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    3 years so far on my MSD Blaster 2 coil, but I bought the epoxy potted High Vibration one, so no help here either.

    I only had one stock coil (oil filled GM) go bad, and that took 26 years.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
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    The rest of us are being dragged along kicking and screaming.

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    Senior Member Boat 405's Avatar
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    This is the type that I have always used. It says it is epoxy filled. I mount them on the back of the cylinder head with a stand off bracket, to keep it away from heat as best as possible. But I don't think heat would be much of an issue considering a car's engine compartment is much more hot than any boat.

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    Not sure how your system is configured and from what components, but dwell time might be the culprit. Over-saturating a coil builds excessive heat in the coil windings leading to reduced life. Lower inductance coils driven by modules with long dwell periods can have a shorter life, especially if the engine is operated for extended periods at low speeds.

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    I'm on my third one (2 bad in 8 years). Don't know why but at $35.00 a pop for 4 years use each I ain't sweating it. Flames out hot pipes are kind of interesting every once in a while. Now bad triggers with randon sparking & blown NOS motors kind of has me worried. Just dropped some $$$$ on MSD gear, I hope it's not a common problem

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Here's what I am running:
    MSD Blaster #8222




    I already had the canister type mount, so used it.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
    H.L. Mencken

    OBAMA: Some people deserve this.
    The rest of us are being dragged along kicking and screaming.

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    Quote Originally Posted by widowmaker View Post
    This is the type that I have always used. It says it is epoxy filled. I mount them on the back of the cylinder head with a stand off bracket, to keep it away from heat as best as possible. But I don't think heat would be much of an issue considering a car's engine compartment is much more hot than any boat.
    Same set up I've been running.
    Quote Originally Posted by One More Year View Post
    The only blab's I will even be a part of is just when it is me they are talking about. Aaaah yes I can see a few good looking shiny tall deck motors on the beach, with barely enough fuel to get back to the launch saying, "Holy crap how fast you think that Daytona was going man? That's like the 20th time he's gone by today?"

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    My blaster II has always laid on it's side, for 14 years or so, on three different motor, and two different boats. Replaced it least year just cause it was so old, and faded
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


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    I had the Blaster SS Coil fail on me. Upon further inspection it said.....

    Made in China

    I bought the USA made HVC and never looked back.

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    No Longer Recovering 454Rocket's Avatar
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    Quote Originally Posted by widowmaker View Post
    This is the type that I have always used. It says it is epoxy filled. I mount them on the back of the cylinder head with a stand off bracket, to keep it away from heat as best as possible. But I don't think heat would be much of an issue considering a car's engine compartment is much more hot than any boat.
    The one above is epoxy filled... mount it upside down, right side up, anywhere... lots of classic car guys put them in their glove box to hide em'

    The canisters seem to throw people off because the old OEM canister coils used to lay on their sides... thus making people think MSD coils could do the same... not true. The side mounted OEM ones are designed to cool themselves via the oil on their sides, and MSD is designed to cool staying straight up.

    I just replaced a blaster 2 on my Carrera after 6 years or so... it sucks when they go because they cause such erratic problems. I thought I had carb issues!

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