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To MSD or not to MSD?

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Old Feb 14, 2005 | 01:57 PM
  #1  
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Default To MSD or not to MSD?

Been looking at installing an MSD ignition but I've read a lot of mixed reviews. Some great, some terrible. MOst of the bad ones said they became faulty after about a year or so. Looking at a lower end module, money's tight. Anyone had any good/bad experiences? I have a 99 T/A LS1, headers, exhaust, K&N, muffler, lowered. Preciate it.
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Old Feb 14, 2005 | 02:30 PM
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The LS1/LS6 coils aren't even out yet. I called and they said that they should be avaliable in March. I asked about the ignition box they said that they will make to go with it, and they said that they don't have a date. So you'll have ta wait till someone actually gets their hands on these things before before they can actually tell you.
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Old Feb 17, 2005 | 04:15 PM
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We have cars making 1000+ hp with the stock coils
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Old Feb 17, 2005 | 04:25 PM
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I just have one question y? msd puts out 45k volt's as per what they advertise from msd. stock ls1 coil set up put's out 50k to 55k.
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Old Feb 17, 2005 | 04:40 PM
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From what I understand the MSD coils are supposed to spark Multiple times (hence the name, MSD=Multiple Spark Discharge) thus cleaning up any unburned fuel left in the combustion chamber, per cycle of the engine.

Not saying they're better, worse or indifferent, just stating that might be why some would want them.

Taco
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Old Feb 17, 2005 | 06:36 PM
  #6  
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I had a 6A unit on a SBC car I used to use on the street. The 6A unit worked great when it was on. It would every now and then go dead...and then later it would magically start working again...it may have been a heat thing but it was mounted on the fire wall away from all heat sources.

NACAR runs two units with a switch on their cars because of the reliability problems.

Unless your making big, serious HP above 7000+ rpm, I wouldn't use it.
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Old Feb 17, 2005 | 07:08 PM
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Their may be gas milage increases to come from a multiple spark discharge system, I know that is usually the case on older cars.
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Old Feb 17, 2005 | 07:11 PM
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money's tight = no MSD

stock ignition is great on these cars.

Ryan
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Old Feb 18, 2005 | 08:37 AM
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The only time you might need to upgrade your ignition is for lots of N20, boost, or insane compression ratios. Spend the $$ on other mods.
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