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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2004 F-350. Standard Cab, 4X4, 6.0 with Torqshift, 3.73 w/LS. <font color="red">(((XM))) Satellite Radio.</font> Lo Jack, 6608 lbs wet. Born on 8/4/2003. Engine 07/23/2003. 3" Lift. Grover Air Horns!!! http://community.webshots.com/album/85108545NlXNsD
1993 F-350 4X4 7.3 IDI with 5 spd. Gone now.
1976 Kenworth C-500 with Detroit Diesel 8V92TA with 3 spd Jake, SQHD's and RTO 12513 10 Wheel Dump Truck. Sold.
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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1997 Ford F350 SRW 7.3L PSD
1985 Ford Ranger 2.3L 5 speed
1966 Mustang 200 I6, auto, 4 wheel disk, power brake retrofit, Corvette master.
Former vehicles, 1994 E350 7.3L IDI, 1985 International 1654 rollback, 6.9L IDI, (2) 1994 Ford E350 7.3L IDI, 1985 Ford F350 DRW 6.9L IDI, 1985 Ford F350 wrecker 6.9L IDI.
*dual ASE Master Certified, Automotive, Medium & Heavy trucks*
Owner / operator, Patriot Automotive, N Ridgeville OH
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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'02 F-250 PSD 7.3, 4x2 Ex. cab long box, 4R100 w/ 3.73 rear, hauling an '04 Bigfoot cabover camper (2200 lbs.) Tork-Lift frame mount tiedowns, Firestone air suspension.
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.
Good Luck
Helpful
BuilderBob
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'93 F-250 IDI, 4x4, K&N, no soup bowl, stock, with 265,XXX miles 5 speed, 3.55, kind of new LUK clutch, runs great, starts great, it is great. The truck is getting old.
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
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).
[ 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
Does that mean that the controller cycling is bad for those particular GP's??
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1997 Ford F350 SRW 7.3L PSD
1985 Ford Ranger 2.3L 5 speed
1966 Mustang 200 I6, auto, 4 wheel disk, power brake retrofit, Corvette master.
Former vehicles, 1994 E350 7.3L IDI, 1985 International 1654 rollback, 6.9L IDI, (2) 1994 Ford E350 7.3L IDI, 1985 Ford F350 DRW 6.9L IDI, 1985 Ford F350 wrecker 6.9L IDI.
*dual ASE Master Certified, Automotive, Medium & Heavy trucks*
Owner / operator, Patriot Automotive, N Ridgeville OH
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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1990 F-350 7.3 Crew Cab Banks Sidewinder Turbo E4OD 4X4,
1984 F-250 6.9 4X4 4Speed Old Style Banks Turbo (gave to daughter, but still in family)
1988 F-250 7.3 4X4, C-6 Auto, Banks Sidewinder Turbo
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