EGR questions again! (sorry) - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 03-31-2008, 08:20 PM Thread Starter
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EGR questions again! (sorry)

so all this talk about EGR and i tried unpluging the thing, instantly a better driver. like a new truck. lower EGT's and everything. but i hear some guys arnt getting max boost with it unpluged. is this true? i will soon be blocking it off completly. what all is happening when the valve is in the closed postion? is the hot air not getting to the coolent? any help would be wounderful.
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post #2 of 8 Old 04-01-2008, 05:56 AM
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Actually with the EGR valve closed, there is no exhaust getting recirculated back into the intake. You are still getting hot exhaust gas entering your EGR cooler, though. I have heard that you may not get max boost with it closed, but mine is closed with the SCT in my custom tunes and my EGR cooler has been blocked off.

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post #3 of 8 Old 04-02-2008, 10:00 AM
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mine is unplugged and i still see 32psi when hammered down

2004 6.0 4door SWB lariat BUILD DATE
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post #4 of 8 Old 04-02-2008, 09:56 PM
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I leave mine unplugged and the truck does seem more responsive. And I haven't noticed any drop in boost pressure.

With just the valve unplugged, you are still getting the hot gasses building up in the egr cooler which can still cause it to crack and leak so the best thing to do is the egr blockoff kit.

Hopefully I am going to have time this weekend to work on my up-pipe and take care of that.

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post #5 of 8 Old 04-03-2008, 06:58 AM
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How does Mod'n the EGR affect Warranty on a new 6.0? I have an 07 with that 10yr/100k warranty. don't want to lose that. but i guess unplugging it won't hurt, or warrants looking into.

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post #6 of 8 Old 04-03-2008, 08:48 AM
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Where is it and how hard to unplug???

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post #7 of 8 Old 04-03-2008, 08:56 AM
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from your sig it looks like Eric tunes your truck. i believe he equips most of his tunes with the EGR turned off.

check out elite diesel, i bought there EGR up pipe. it eliminates the scoop in up pipe and also has a block off plate.

sold my 6 oh.

6.4 now.

myspace.com/mxchase
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post #8 of 8 Old 04-06-2008, 08:11 AM Thread Starter
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so if i do the freez plug and block it off completely and have to take it in to the dealer will they know? how do i get the freez plug back out? if need be?
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