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#1
03-10-2013, 03:41 PM
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Used glow plug analysis
Hi all,
These are the glow plugs that I have pulled from my engine. OM617-951. Over the winter, I had to replace three plugs with what I had for spares, which were Autolite plugs. Yesterday, my girlfriend and I replaced all 5 plugs in the car with new Bosch plugs. I also reamed the GP holes before installing the new plugs. I am wondering about the white build up on some of the tips. Usually that means advanced injection timing but I am pretty sure I have the opposite problem just based on how the engine runs. Perhaps someone can explain in more detail. Or perhaps, I am worrying about nothing. 
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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors. 2003 S430 - 107K 1983 300SD - Tanoshii - mostly restored ~400K+. 1983 300SD - Good interior. Engine finally tamed ~250K. Monark Nozzle Install Video - http://tinyurl.com/ptd2tge 
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#2
03-10-2013, 09:36 PM
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Someone is going to ask if your are only burning Diesel Fuel?
You might as Dr. Bert as He has been using 28 degrees timing for a long time if His Glow Plugs get that white build up on them.
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84 300D, 82 Volvo 244Gl Diesel
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#3
03-11-2013, 01:06 AM
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Quote:
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'70 F100 shortbed '82 Diesel Westy '83 Euro 300TD Curtlo Viper Yeti ARC Surly long haul trucker
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#4
03-11-2013, 10:24 AM
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Currently running straight D2 but I have run WMO in the past. I've put about 50 gallons through the engine.
__________________
1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors. 2003 S430 - 107K 1983 300SD - Tanoshii - mostly restored ~400K+. 1983 300SD - Good interior. Engine finally tamed ~250K. Monark Nozzle Install Video - http://tinyurl.com/ptd2tge
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#5
03-11-2013, 10:59 AM
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Hi Eaton
The deposits look pretty normal for what I have seen on my two cars. I am kind of worried that you have pulled 6 GPs from your engine. 
__________________
85 Merc 300D - Unwinding 31 years of wear 86 VW TD Mahindra Diesel Iseki Diesel In 2007 I didn't own a diesel.
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#6
03-11-2013, 11:17 AM
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Quote:
I don't recall my 7.3's plugs having white stuff at the tips but this is not a 7.3, so I figured I should ask. At least post about it in case someone else wants to ask.
__________________
1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors. 2003 S430 - 107K 1983 300SD - Tanoshii - mostly restored ~400K+. 1983 300SD - Good interior. Engine finally tamed ~250K. Monark Nozzle Install Video - http://tinyurl.com/ptd2tge
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