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Custom 60G glow plugs

Discussion in '6.9L IH & 7.3L IDI Diesels' started by Isaac Ristow, Dec 6, 2020.

  1. Black dawg

    Black dawg Registered User

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    I have always soldered on connectors, didnt like the way the wide 6.9 connector fit the much narrower terminal. For awhile I was able to get connectors for the 6.2-6.5.......fit right.


    The one thing I should mention with the 80034 is that the terminal can break off somewhat easily if you are trying to bend them for any reason.
     
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  2. Isaac Ristow

    Isaac Ristow Full Access Member

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    I just used what ever the common spade terminal on them. The 6.9 harness should plug right into them. Mine have been just amazing so far when its cold I glow for 15-20 seconds then continue glowing while I crank fires right up
     
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  3. Black dawg

    Black dawg Registered User

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    the nice thing about the 80034 or the 60g is that you can glow them as long as you want or need to.

    I have had both in 6.2 and 6.5 motors that a 30-45 second glow would make them start at basically any temp.
     
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  4. Kevin 007

    Kevin 007 Full-floater

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    Im going to try the 80034's in my next gp job and slowly get a set of 60g's turned down for the next gp job after that
     
  5. 71 Highboy

    71 Highboy Registered User

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    I have an electric lift pump in line with the stock lift pump. If the lift pump fails, the electric one will keep the engine running but at reduced power, probably cuz I power it from the old coil wire at about 8 volts. It's good for priming to the factory filter schrader valve, which is the last in line before the IP. I can't recall which is first from the tank, but both feed thru the Racor F/W separator before going to the factory filter. I also use two 6 volt batteries and feed my GP's manually from one of them thru a 12 volt activated stock relay/solenoid. I covered this a couple weeks ago. You can see the electric pump, F/W separator, and relay in the photo with the 2 red wires going to the stock original 1986 harness. All this shit has been in service for a very long time. I can't even remember the last time I replaced GP's, but that's prolly cuz of old timers....I did have to replace on of the batteries last week though. They were both dated 2012. Now it load tested great again.

    cooler tube to pressure bonnet.jpg
     
  6. Kevin 007

    Kevin 007 Full-floater

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    Tested an 80034 today and a ZD-1. Both new. Both on the same battery with the same charger on it.

    The 80034 was still glowing strong after 18min. That's when I stopped. Will give it another several long glows over the next days
    The ZD-1, hooked to the same battery (although a 6v plug, as we know; but some of us do or have had them on manual 12v control), lasted about 2 min until it melted and burnt out.

    20210302_204120.jpg
     
  7. Golden Helmet

    Golden Helmet Full Access Member

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    I don't know if I'll ever disembark from the "ZD9 only and all else is heresy" bandwagon, but I do appreciate you doing all this real life testing and R&D and sharing your findings with us. It's very interesting stuff and i can't wait to see the long term results. Who knows, keep up the good work and you just might convert a devout preacher of the IDI gospel!
     
  8. rhkcommander

    rhkcommander Full Access Member

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    If people didn't start experimenting we'd still be stuck with 200hp max IDIs. It is safe going tried and true, but sometimes a better option is around the corner. Your logic is solid for the automatic glow plug controller, but with manual glowing it's looking like we have some options.

    I had good luck with bosch zd9s back in the day, they glow hot and fast, but too hot for long glows so they were sensitive to overglowing; most likely another 6v plug.

    The motorcraft beru take at least twice as long to get enough heat to start in my guesstimate/ recollection. Next time I do plugs I'll probably try these 80034s, bosch is usually a solid company from what I've heard. If they can reliably take the abuse they might work well with the controller too. I'm not sure how smart the controllers are, if they use GP resistance or what.
     
  9. Black dawg

    Black dawg Registered User

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    I will be surprised if you get that 80034 to burn out. I have not seen a failed one yet.
     
  10. Black dawg

    Black dawg Registered User

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    Bosch never made a zd9....do you mean the bosch plug for the 7.3 application?

    I dont know of anybody that has tried to run the factory controller with the 80034, they are much slower to heat. Probably too slow even if the controller functions correctly with them.
     
  11. rhkcommander

    rhkcommander Full Access Member

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    Yeah bullet connector bosch, they weren't spade or 80034 though.

    How long does it take you guys to start?
     
  12. Kevin 007

    Kevin 007 Full-floater

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    Yeah the bullet connector Bosch (whatever the part number is) for the 7.3's have not lasted too long for me. I have never installed any new, but have purchased trucks that have recently had them installed. Didn't take long for them to burn out. None were swollen or anything tho
     
  13. rhkcommander

    rhkcommander Full Access Member

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    They heat up FAST, so the controller will kill them pretty quick.

    My tired old engine before would start in 5-7 seconds, and it was in bad shape. I can only imagine the new engine would be even better.
     
  14. Isaac Ristow

    Isaac Ristow Full Access Member

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    The controller does sense resistance. The 60G plugs take less amperage so the 7.3 controller does not glow the 60g plugs for more than like 2 seconds that's why I added a button override to my controller
     
  15. Farmer Rock

    Farmer Rock just a fella' without a 10mm socket

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    I probably won't use anything but ZD9s in my trucks as well, but I do think it's great to have other options. I am a big believer in manual GPs and I agree that the ZD9s do take a little time to heat up, but once they do it's no problem. FWIW, when I first started using the manual GPs, I was looking into using the bosch plug, but I was hearing too many horror stories about them swelling and/or breaking off, so I just stayed with the ZD9s.




    Rock
     

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