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Author
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Topic: Bad MSD box?
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HHuggins
Gearhead Posts: 137
From: Laguna Niguel, CA
Registered: Feb 2001
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posted 02-07-2002 08:41 PM
   
I was on my way to work yesterday morning in my '70 Mach I when I suddenly lost power and heard a loud "pop". After I coasted over to the shoulder the car wouldn't start. I thought maybe a belt had broke - nope, then I though maybe the timing chain snapped. I was already late for work so I had to have it towed to a local shop. The guy just called and said the MSD box went bad. That box is no more than 9 months old! Has anyone heard of this before?HH ------------------
_ _____________________ _ Harley D. Huggins II
Laguna Niguel, CA 1970 Mach I
1998 GT Convertible
www.geocities.com/hh_machi/
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SundanceKid
Gearhead Posts: 853
From: UT
Registered: Feb 2001
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posted 02-07-2002 09:17 PM
All the MSD boxes I've personaly owned have never gone bad. The one in my wifes Civic has been going strong for 7 years now. I have used, peviously owned boxes that were 10 plus years old with no problems ever.? Did you get it wet? Is it in a spot it gets hot?
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HHuggins
Gearhead Posts: 137
From: Laguna Niguel, CA
Registered: Feb 2001
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posted 02-07-2002 09:37 PM
No to both. I wasn't far from home either, so the car was just warming up.HH ------------------
_ _____________________ _ Harley D. Huggins II
Laguna Niguel, CA 1970 Mach I
1998 GT Convertible
www.geocities.com/hh_machi/
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kcode
Gearhead Posts: 2456
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99
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posted 02-07-2002 10:42 PM
Harley,
This won't help you much, in the mid 70's when capacitive discharge-CD systems were just showing up on the market, I put one on my coupe, couldn't tell any difference, then one day I could not get it to start, after about a week of trouble shooting it turned out to be a dead short inside the box. Even with todays improvements in manufacturing anything is possible.  Send your box back to MSD, maybe they will be sympathetic and send you a new one. Mike
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SundanceKid
Gearhead Posts: 853
From: UT
Registered: Feb 2001
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posted 02-07-2002 11:06 PM
Hmmm, wierd....wonder if it was realy the box or false diagnosis? I've just never heard of them going bad unless they were mistreated....water, vibration, heat or welding without disconecting the neg battery cable. Coils will just stop working like that. Or the resistor...dono?
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Moneymaker
Administrator Posts: 18575
From: Lyons, IL, USA
Registered: May 99
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posted 02-08-2002 12:59 AM
MSD has the BEST customer service dept I have ever seen in the entire ignition industry. Only Accel was better when they were part of Echlin and that was many moons ago. ------------------
Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link
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fordfan
Gearhead Posts: 2780
From: Walla Walla, Wa, USA
Registered: Jun 99
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posted 02-10-2002 10:42 PM
quote:
Originally posted by kcode:
Harley,
This won't help you much, in the mid 70's when capacitive discharge-CD systems were just showing up on the market, I put one on my coupe, couldn't tell any difference, then one day I could not get it to start, after about a week of trouble shooting it turned out to be a dead short inside the box. Even with todays improvements in manufacturing anything is possible. Send your box back to MSD, maybe they will be sympathetic and send you a new one. Mike
Yeah.. well one day last summer, my Chevy overheated and would not start... At all... Well a week later I found the Problem.. My HEI Wire to the fuse block was unplugged!,  ( I cussed pretty good that day..... I had hoped I fried the motor!!  )
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otalps
Journeyman Posts: 1
From: la ca usa
Registered: Feb 2002
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posted 02-13-2002 08:29 PM
I had the same exact problem
except I found my distributor gear broken then my car would only run at no less than 30 degrees initial timing! and then it ran like s**t...
anyway I know it was the msd because I switched out the broke 6AL with a 6 i had in another car and everything is fine now just sent my box back to MSD for repair...
same big bang noise too, make sure your gear is alright
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