EGT HELP - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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Old 06-04-2014, 05:46 AM
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EGT HELP

Will bad injectors cause high EGTs? I have to drive by EGTs. Shop told me I have 4-6 injectors in various stages of bad. (New Warrens have been ordered) I just do not want to burn up my truck.
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Old 06-04-2014, 05:54 AM
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what are your egts?
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Old 06-04-2014, 05:59 AM
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70 mph on the highway it will cruise at 10-1100 Easily. But if I feather the gas and keep my foot out of it I can get it down to 8-900. If I give it gas to pass anybody it'll hit 12-1300 easily.
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Old 06-04-2014, 06:03 AM
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THose temps arent gonna hurt you. When pulling the camper in the summer down the highway in 100*+ temps 1000* egt's were the norm. Sure I would like to see less, but with our altitude here we just dont have any air to work with. I think a aftermarket turbo and/or water injection is about my only options.
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Old 06-04-2014, 06:05 AM
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sounds like the temps when I had a boost leak.

Last edited by Heavy_GD; 06-04-2014 at 09:42 AM.
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Old 06-04-2014, 06:08 AM
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Those are the temps with no load. I'm in Phoenix and it's 100+ degrees every day but it doesn't matter if it's 75 or 100 my egts don't change. I have stage two Turbo on mine and 155 Injectors that are bad.
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Old 06-04-2014, 06:10 AM
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How big of a Boost leak do you need to make those temps?
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Old 06-04-2014, 06:12 AM
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Your runnin hot but just be easy with it. Are you letting the truck cool before shutting it down? I had to switch my turbo timer over to the time mode when the warrmer temps got around. The egts wouldnt cool enough to trip my temp mode.
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Old 06-04-2014, 06:15 AM
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Yes I let it cool down to around 400 for I shut the truck off. I'm driving like a grandma on Sunday.
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Old 06-04-2014, 07:28 AM
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When did the problem start?
What were your egts before?
What size nozzles do you have? 155/stock 155/30???
Are you on stock gearing?


A stage 2 turbo, with 155cc injectors, 37" tires, stock gearing, and the hot AZ weather is going to result in higher temps. I would say 800-900 would be average for that type of setup... maybe 750-850 with the extra air flow mods you have. Probably hit 1100-1200 on a 50% throttle acceleration.


Quote:
Originally Posted by jensenrcng View Post
How big of a Boost leak do you need to make those temps?
Even the slightest boost leak can cause a change in egts. Small leaks usually dont stay small for long because the pressure usually makes the whole/crack/gash get bigger when pressure is rushing through it.
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