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10-07-2001, 09:44 PM
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#1 |
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Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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Whining from MSD TFI Coil ????
This was a pretty strange experience obviously the MSD unit slapped in pretty easy. The engine fired right up but a high piched wine started immediately. I drove for a while, seemed about the same as the stock, but the noise persisted. Later I unplugged the MSD and hooked up the old coil, the noise vanished. My dad says the noise could be caused by loose windings in the coil, either way, it's going back to Jegs for a replacment. Verrry strange
------------------ Frank W 90 5.0 LX coupe Daily driver. K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links, MAC 2.5" cat back FMS aluminum driveshaft, MSD blaster coil, MAC shifter 88 Notch 2.3L FOR SALE! My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/f |
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10-08-2001, 02:00 PM
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#2 |
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Guest
Posts: n/a
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It's not that weird.......MSD blaster coils do make a slight humming noise, but a high pitched whine is a little strange.
------------------ '90 LX 5.0;12K original miles;FMS 3.55 gears; March pulleys;Edelbrock Performer Heads;BBK 1 5/8" equal length shorties;MSD 6AL ignition w/ blaster 2 coil;FMS E303 cam;Pro-M 75mm MAF;BBK 70mm TB; Eibach drag-launch spring kit;Southside weld-on subs;9" K&N cone filter charger;Hurst shifter;Cervini 3" turbo hood;A/C delete;gutted cats;2 chamber Flomasters;Corbeau racing seats;FMS 30# injectors;JMS custom chip;Holley 190lb fp;TFS track heat intake (12.299 @ 113mph w/ a 1.78 60') ....soon to be b |
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10-09-2001, 12:27 PM
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#3 |
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Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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Maybe I'm not describing the noise right, I can hear the noise sitting in the drivers seat when the engine is idling. I was just so suprised to find out the coil made noise at all. Seemed very weird to me. I don't really care about the noise per-se but I had assumed the coil must have been defective, I don't want to return it to find out the noise is "normal" for a MSD TFI coil
------------------ Frank W 90 5.0 LX coupe Daily driver. K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links, MAC 2.5" cat back FMS aluminum driveshaft, MSD blaster coil, MAC shifter 88 Notch 2.3L FOR SALE! My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/f |
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10-09-2001, 01:38 PM
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#4 |
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Guest
Posts: n/a
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It makes more of a humming sound, not "whining". I don't think you should be able to hear it inside the car w/ the hood down, and the windows up. What you're expaining, sounds more like a BBK TB
 ------------------ '90 LX 5.0;12K original miles;FMS 3.55 gears; March pulleys;Edelbrock Performer Heads;BBK 1 5/8" equal length shorties;MSD 6AL ignition w/ blaster 2 coil;FMS E303 cam;Pro-M 75mm MAF;BBK 70mm TB; Eibach drag-launch spring kit;Southside weld-on subs;9" K&N cone filter charger;Hurst shifter;Cervini 3" turbo hood;A/C delete;gutted cats;2 chamber Flomasters;Corbeau racing seats;FMS 30# injectors;JMS custom chip;Holley 190lb fp;TFS track heat intake (12.299 @ 113mph w/ a 1.78 60') ....soon to be b |
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10-09-2001, 03:11 PM
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#5 |
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Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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Maybe it's more of a "buzz" than a whine, but I can hear it with the hood down and idling. When driving all the other noises cancel it out. Maybe I'll contact MSD before I start any return procedure.
------------------ Frank W 90 5.0 LX coupe Daily driver. K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links, MAC 2.5" cat back FMS aluminum driveshaft, MSD blaster coil, MAC shifter 88 Notch 2.3L FOR SALE! My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/f |
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10-09-2001, 05:48 PM
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#6 |
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Registered Member
Join Date: Mar 2001
Location: Palm Harbor, FL
Posts: 208
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i think i may know what your talking about. Sometimes when i start my car after I've run the radio for awhile with th e car off (ie battery drain), there is a whine...if it was any louder it would sound like a supercharger. It goes away after the car runs or awhile. I've never bothered to check where its coming from though...never cared.
------------------ Blueneonman - '95 5.0L Mustang GT Convertible | K&N Custom Cold Air Intake | FMS 9mm Wires | Hollow Cats | Flowmaster 2 Chambers | BBK Subframes | 6-pt Rollcage | King Cobra Clutch | FMS Adjustable Clutch Cable | B&M Short Throw | Coolest Neon Lighting on a Mustang EVER! Homepage: http://www16.brinkster.com/blueneonman/ |
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10-10-2001, 01:36 AM
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#7 |
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Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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Must be an MSD. They are infamous for their humming. Jim (Mr 5.0) and I had an in-depth about this with a couple guys who were scared a year or two ago, and as I recall, he experienced the same things I did, so it's not coastal either. MSD's just plain make noise. Not all, but most. Usually right out of the box. They also have less than than a 2 year life span in a daily driver, but I don't know if that's related. If it's not too late (I'm sure it is), pick up a Crane PS91 or 92. Great coils for the money. And quiet, too!
C-Ya ------------------ Retired Moderator MustangNet My site: JimPorterRacing RACECAR spelled backwards is RACECAR HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!! |
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10-10-2001, 06:21 AM
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#8 |
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Registered Member
Join Date: Jun 2000
Location: sanantonio, Tx, usa
Posts: 1,407
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My accell supercoil buzzes a little, but a great coil to have.
------------------ 90 lx coupe: 5spd, energy susp trans mounts, fms hd clutch, Mac coldair fenderwell, Mac h-pipe, supercoil, ADS chip, 160 stat, aluminum D/S, Black magic fan, 3.27grs. Best time: 13.9116(on 225/60/15 firehawks) Best mph: 98.17 Best 60': 1.9607 someday mods:4.10's, slicks. |
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10-10-2001, 07:33 AM
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#9 |
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Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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2 yr lifespan??*?*?*?*?@#$Q#$%#@$%^@#%
I was so happy with my previous MSD purchaces, 3 seperate sets of plug wires and a HEI module, I did not think twice about getting the blaster coil. I have had a Accell HEI super coil for about 10 years with no problems, and no buzzing noise. Hey anyone want a good deal on a coil, only used for 15 miles??  ------------------ Frank W 90 5.0 LX coupe Daily driver. K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links, MAC 2.5" cat back FMS aluminum driveshaft, MSD blaster coil, MAC shifter 88 Notch 2.3L FOR SALE! My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/f |
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10-12-2001, 06:58 PM
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#10 |
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Registered Member
Join Date: Oct 2001
Posts: 1
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im disapointed with the responses to this post. the MSD in a HIGH energy coil. it is not OEM. the buzz is caused by the coil lighiting off a spark plug. in this case more buzz = greater spark energy. if you dont believe it grab a plug wire terminal and ground yourself. do the same w/ the stock coil.
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10-12-2001, 08:18 PM
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#11 |
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Get down.....
Join Date: Apr 2001
Location: Room 103
Posts: 2,095
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chevyguy. i have the exazt same problem as you. nothing to worry about though. had mine for a year and a half now and not one prob. the buzzing sounds like its coming from the dash, right? well if your car has a capacitor, put a bigger one in. i think 1/4 farat is what i used and the buzzing is gone. i just did this recently. so the coil is still performing well.
2 years PKRWUD? how so? the only reason i could come up with is high amount of vibrations. but a stock or near stock stang should last awhile. ------------------ 90 LX Black on Black Flowbabies, h-pipe, Mac unequal shorties, K&N, Hurst, subframes, Motorsport springs, MSD coil, 3.55's |
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10-13-2001, 02:37 AM
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#12 |
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Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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srv-
I can't explain it, that's just been my experience. I have had several customers whos MSD coil needed replacing after 2 years or less. That doesn't mean they will all fail after 2 years, just that most that I have dealt with do. Then again, customers don't come to me saying "It works fine". They usually see me because of a failure. Maybe I should re-phrase what I said to read: Of those that fail, 2 years seems to be the average lifespan. Better? -C ------------------ Retired Moderator MustangNet My site: JimPorterRacing RACECAR spelled backwards is RACECAR HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!! |
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10-13-2001, 08:13 AM
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#13 |
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Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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Hey SRV-1 you hit it right on the head, it totally sounded like it came from the dash initially, like a radio interference noise. With the hood open I traced it to the coil itself.
Where is/would the capacitor located? I remember one piggybacked on the coil power feed on my Laguna, first year for factory HEI. Other year chevys don't have that capacitor so I removed it, no noise etc. Seems to me the noise could be caused by the TFI system electonic harmonics which could be fixed by the capacitor. My HEI system possibly has higher spark energy but no coil wire and different type inductive spark control made by MSD! and the previously mentioned ACCELL super coil. Looks like the coil is going back in today. Time to start looking for a capacitor ------------------ Frank W 90 5.0 LX coupe Daily driver. K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links, MAC 2.5" cat back FMS aluminum driveshaft, MSD blaster coil, MAC shifter 88 Notch 2.3L FOR SALE! My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/f |
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10-13-2001, 10:34 PM
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#14 |
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Registered Member
Join Date: Nov 2000
Location: Maryland
Posts: 123
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I just installed the MSD blaster coil today. I also hear a high pitched humming noise too coming from the coil. I don't like it.
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10-15-2001, 07:38 AM
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#15 |
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Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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I put mine in Saturday and I am trying to ignore the noise, since I already spent the $45 on it. I'm gonna call MSD's tech service and maybe have them explain the noise to me, I may let them listen to it on my cell phone
------------------ Frank W 90 5.0 LX coupe Daily driver. K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links, MAC 2.5" cat back FMS aluminum driveshaft, MSD blaster coil, MAC shifter 88 Notch 2.3L FOR SALE! My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/f |
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10-15-2001, 10:00 AM
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#16 |
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Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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They get those phone calls every single day. Should be interesting.
Take care, ~Chris ------------------ Retired Moderator MustangNet My site: Peckerwoods Pit Stop My teams site: Jim Porter Racing RACECAR spelled backwards is RACECAR HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. |
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10-15-2001, 03:37 PM
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#17 |
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Registered Member
Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
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I am putting mine on today, I'll let you guys know if mine will have the famous whine.
------------------ 88LX NOTCH 5.0, TFS Twisted Wedge Aluminum heads, 2.02 1.60 valves, BBK shorties unequal 1 5/8, off road H-pipe, Flowmasters, Drag lites, custom grind cam, solid motormounts, Aluminum Driveshaft, BBK springs, lakewood 90/10 50/50 shocks, BBK upper and lower control arms, 4.10 gears, centerforce DF clutch, adjustable BBK clutch cable with aluminum quadrant, Billet Steel flywheel, 70mm Acufab Throttle Body,MAC cold fender mount induction, K&N, 3 core radiator, flex-lite-fan, custom hardened push- |
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10-16-2001, 03:55 PM
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#18 |
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Registered Member
Join Date: Jan 2000
Location: West Lafayette, In
Posts: 14
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I've got the MSD coil on mine, and have the whine. I called up Summit about it when I first got it, they said that I should check my plugs and wires (which were new), and it was some of ignition problem, not the coil. I insisted that it was the coil, and since this was a high performance coil it shouldn't have problems with a stock ignition. I made them replace the coil... well the second one is making the same noise, not quite as bad though. I've just lived with it since then. I kind of hope it does go bad, so I will replace it with something else.
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10-18-2001, 02:36 PM
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#19 |
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Registered Member
Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
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No whine here, sorry I guess I got lucky. I don't feel any power increase either though.
------------------ 88LX NOTCH 5.0, TFS Twisted Wedge Aluminum heads, 2.02 1.60 valves, BBK shorties unequal 1 5/8, off road H-pipe, Flowmasters, Drag lites, custom grind cam, solid motormounts, Aluminum Driveshaft, BBK springs, lakewood 90/10 50/50 shocks, BBK upper and lower control arms, 4.10 gears, centerforce DF clutch, adjustable BBK clutch cable with aluminum quadrant, Billet Steel flywheel, 70mm Acufab Throttle Body,MAC cold fender mount induction, K&N, 3 core radiator, flex-lite-fan, custom hardened push- |
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10-18-2001, 03:21 PM
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#20 |
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Backyard Mechanic/Chemist
Join Date: Feb 2001
Location: Acton MA USA
Posts: 435
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Well got a response from MSD here it is
"Sir, Some of the coils can make some noise. It is created by the output of the coil which actually transfers to the metal bracket. The fix for the ones that ones that buzz or hum is to actually place a small rubber grommet between the coil and the bracket where the bolts go through. This will solve the problem. Thanks, MSD tech -----Original Message----- From: Frank W [mailto:] Sent: Monday, October 15, 2001 9:18 AM To: Joe LaPille Subject: MSD TFI blaster coil noise I recently purchaced a MSD TFI blaster coil for my 90 Mustang 5.0 This coil makes a buzzing noise that is audible from the drivers seat when the car is idling, the original Ford coil does not make any audible noise. This is a pretty unacceptable issue as this coil does not provide any real performance upgrade other than replacment of a 11 year coil. If you have any technical fixes available I would be interested, otherwise I will ask for a replacment of this part." I have not had the time to try this out yet, pretty easy to do, in their defense the stock coil has a plastic/rubber coating on the metal "hoop" which eliminates the direct metal to metal contact at the mounting bracket while the MSD is metal to metal. Maybe tonight I'll try it out ------------------ Frank W 90 5.0 LX Notch MAC 2.5"cat bk FMS alu ds, MSD coil, MAC shifter 2.73 gears user site 88 Notch 2.3L FOR SALE! My two Notchbacks 74 Chevy Laguna Type S-3 305 now 454 soon My web site |
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