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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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Old 06-28-2005, 02:12 PM   #1 (permalink)
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Constant Duty Glow Plugs

Does anyone run the constant duty glow plugs from DAS? If so are they worth it? Or should I just go with the Motorcraft glow plugs.
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Old 06-28-2005, 08:32 PM   #2 (permalink)
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Re: Constant Duty Glow Plugs

Go with what works, Motorcraft or Beru glow plugs.

Dave
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Old 06-28-2005, 08:44 PM   #3 (permalink)
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Re: Constant Duty Glow Plugs

Why run constant duty glowplugs? Is doing so a coverup for a defective glowplug controller?
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Old 06-28-2005, 09:14 PM   #4 (permalink)
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Re: Constant Duty Glow Plugs

It isn't that they are on all the time. Its that they could be on for hours and not drop their tips.
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Old 06-29-2005, 09:32 AM   #5 (permalink)
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Re: Constant Duty Glow Plugs

They are not on all of the time. the controller sees to that and cycles them on and off for the first 2 minutes during a COLD START. After that they are not on.

Dave
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Old 06-29-2005, 04:24 PM   #6 (permalink)
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Re: Constant Duty Glow Plugs

My take on this is, if the OEM glow plugs are so good, then why did they go bad in the first place?

Of course, as I understand it there are certainly "worse" available than OEM.
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Old 06-29-2005, 05:50 PM   #7 (permalink)
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Re: Constant Duty Glow Plugs

My OEM plugs probably lasted quite awhile.

Keep in mind... these things get H O T. If you got that hot every time you started, you'd wear out, too!!
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Old 06-29-2005, 05:50 PM   #8 (permalink)
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Re: Constant Duty Glow Plugs

My replacement plugs have lasted about 18 months or so... no problems so far.

Keep in mind... these things get H O T. If you got that hot every time you started, you'd wear out, too!!
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Old 07-15-2005, 03:45 PM   #9 (permalink)
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Re: Constant Duty Glow Plugs

I put DAS plugs in my old '91 about 2 years ago and they are the best investment I ever made. Haven't put a penny into the beast since. If I had put them in about 10 years ago they would have paid me back for all the lousy stock Ford/Beru controllers and plugs I've gone through over the years, let alone the aggravation. DAS also sent clear instructions on how to wire the stock controller as a manual switching relay. 250,000 miles and she fires up like new in any weather.
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Old 07-15-2005, 04:40 PM   #10 (permalink)
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Re: Constant Duty Glow Plugs

I put Beru's plugs in my old '93 about 3 years ago and they are the best investment I ever made. Haven't put a penny into the beast since.


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Old 12-23-2005, 10:34 PM   #11 (permalink)
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Re: Constant Duty Glow Plugs

i bought 4 of the WAP, Inc. constant duty glow plugs from DAS. i used them as an inline vegetable oil heater set up my 93 f-350...they burnt out in less than 5 minutes. i was really bummed out since the guy at DAS said they tested this brand by letting them run overnight WITHOUT being immersed in fuel and they were fine the next day. i am sending them back for them to test, john at DAS was really dumbfounded since he has never had a returned WAP, Inc plug ever...they are sending me 4 new beru's at no charge.

IMO...when it comes to glow plugs for the engine why not by the best...i have had autolite plugs in my truck for a while and after some wierd glow plug controller clicking i replaced two dead ones...one wiggled out finally and the other was almost too bulbous on the end to get out. i am so lucky it didn't mushroom or break off in the head. shewww...i would have been f*cked. and if u spray a little ether every once in a while why risk it? -nick
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Old 12-23-2005, 11:28 PM   #12 (permalink)
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Re: Constant Duty Glow Plugs

The WAP plugs are not the highest on my list at the moment, had 5 out of 8 go in under a year. Another to remember about the WAP plugs is anything over 11 volts to them will burn them out(or that is what I was told when I went to warranty them).
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Old 12-24-2005, 12:14 AM   #13 (permalink)
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Re: Constant Duty Glow Plugs

[ QUOTE ]
I put DAS plugs in my old '91 about 2 years ago and they are the best investment I ever made. Haven't put a penny into the beast since. If I had put them in about 10 years ago they would have paid me back for all the lousy stock Ford/Beru controllers and plugs I've gone through over the years, let alone the aggravation. <font color="red">DAS also sent clear instructions on how to wire the stock controller as a manual switching relay.</font> 250,000 miles and she fires up like new in any weather.

[/ QUOTE ]

I think the KEY to using the DAS Constant Duty GPs is the 'rewiring of the GP Controller'. [img]/ubbthreads/images/graemlins/shrug.gif[/img]OkieGringo
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Old 12-24-2005, 10:03 AM   #14 (permalink)
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Re: Constant Duty Glow Plugs

Does that mean that the controller cycling is bad for those particular GP's??
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Old 12-24-2005, 12:41 PM   #15 (permalink)
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Re: Constant Duty Glow Plugs

I put them in my 84 6.9 and they are the best investment I have ever made. I can start that old truck in Anchorage in any cold that I have encountered without plugging in. I don't do that unless I have to, but it will do it. I got mine when the US dollar was a little better against the Canadian Dollar, but they might still be a good investment. I use a push button system on that truck.

That being said, I use Breu glow plugs on my other two diesels. I was going to convert my 88 F250, but the cost is a little more than I want to put out right now.

Hope this helps.

hweaver
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