Why are my glow plugs burning out?  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> Why are my glow plugs burning out?
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Why are my glow plugs burning out? - 2/3/2002 7:07:53 AM   
helinsd


 

Posts: 2
Joined: 1/11/2002
From: san diego
Status: offline 		Been having fun w/all kinds of glow eng. for 15 yrs. and have never had this prob. Does not matter if the plug is new or used, after a perfect performance run, the plug coil is broken, after just one tank of gas! I am using OS #8 and a remote glow mount, could it be the remote setup is shorting out some how? or is it an eng. prob. Somebody out there must know, thanks.
       Post #: 1

Re: Why are my glow plugs burning out? - 2/3/2002 7:48:08 AM   
Ed


 

Posts: 1796
Joined: 12/5/2001
From: Bemis, , USA
Status: offline 		[QUOTE]Originally posted by helinsd
after a perfect performance run, the plug coil is broken, after just one tank of gas! I am using OS #8 and a remote glow mount, could it be the remote setup is shorting out some how? or is it an eng. prob. . [/QUOTE]

A lot of people are going to suggest that you are running it too lean. Just make sure that you back off 300 to 500 RPM on the rich side after you peak it. Never take off with the engine "Peaked".

A couple of other things: Are you using a shock absorbing mount ? Depending on the engines attitude, these can sometimes shake a glow plug element to peices.

Also, after starting your engine, be sure to remove your glow heater before you run it up to the high range. Leaving the heater in place, and running your engine up to high, is a quick way to cook plugs.

Let us know what happens. - Jim

< Message edited by GeeBeeJim-RCU -- Feb 3 2002 3:02AM >

(in reply to helinsd)
       Post #: 2

Another thing... - 2/3/2002 8:18:23 AM   
ChuckAuger



Posts: 5134
Joined: 12/5/2001
From: Pampa, TX, USA
Status: offline 		Is that your engine might be makin' metal inside..this will blow plugs...

And I take that this is a heli engine??


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Breaking the Speed of Sound, Straight Down!

(in reply to helinsd)
       Post #: 3

I'm with you Chuck - 2/3/2002 2:58:29 PM   
bob_nj


 

Posts: 3498
Joined: 12/3/2001
From: Vineland, NJ, USA
Status: offline 		What engine is it, and what is the history? At the very least take the backplate off and poke your head inside

(in reply to helinsd)
       Post #: 4

Why are my glow plugs burning out? - 2/3/2002 6:24:47 PM   
Flying Cowboy



Posts: 105
Joined: 1/27/2002
From: St-Hubert, QC, CANADA
Status: offline 		Most every time an engine of mine started to destroy glow plug, it was a bearing who started to lose its retainer and the small particules were getting to the plug destroying the element.

In that case I just replace the bearings and clean the engine and the plug problem disapear.

_____________________________

Having fun is my only goal.

(in reply to helinsd)
       Post #: 5

Why are my glow plugs burning out? - 2/4/2002 10:37:40 AM   
bobf46


 

Posts: 37
Joined: 1/21/2002
From: Tucson, AZ, USA
Status: offline 		Too high compression will also kill plugs. You can fix this by shimming the head, it dosent take much to reduce the compression. Good luck!!

_____________________________

If it works, dont fix it

(in reply to helinsd)
       Post #: 6

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