need a quick explanation from the gurus - EGR delete/wastegate - Ford Powerstroke Diesel Forum

6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 84 Old 01-23-2012, 10:23 AM Thread Starter
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need a quick explanation from the gurus - EGR delete/wastegate

hello gentlemen, need some help that id greatly appreciate

im trying to help out my dad make a decision concerning his 08 6.4L

he currently has the spartan 275+ tune and an aftermarket exhaust (not sure which one) and ended up popping his head gasket.

hes having it fixed with new studs and while the cab is off his mechanic recomended he do an EGR delete with a wastegate. my research leads me to believe that the wastegate is to control high back pressures while the egr delete essentially deletes the egr coolers that are prone to failure on these trucks. the kit also included a staineless DP and blow off valve.

can someone tell me if i have the right idea? better yet, can someone summarize quickly what exactly these EGR delete/wastegate kits accomplish and if they are truly neccesary for longevity in higher HP applications.

thanks guys. i appreciate it.
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post #2 of 84 Old 01-23-2012, 10:57 AM
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From what I understand the wastegate is to make sure backpressure dosnt get to high on these high hp tunes. And yes the egr delete kit will completly delete the egr coolers. Necessary I dont know, but probably not a bad idea. Hopefully someone with more info will chime in.

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post #3 of 84 Old 01-23-2012, 11:38 AM
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If I remember correctly, the wastegate is for guys making serious power with serious pressure. if you are keeping the stock turbos I don't think you will run anything better than 40#. I BELIEVE (dont know for sure) the wastegate is for guys running huge single turbos making around 60# plus. Theory is 40 is safe and you will not make it with stock turbos. I hope a more knowledgeable and qualified person can chime in but this is my belief


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post #4 of 84 Old 01-23-2012, 12:00 PM Thread Starter
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i had my dad call spartan and they pretty much said what u guys are saying. he confirmed it with one of the guys at Rivercity and it turns out he is going to go with a river city EGR delete w/intake pipe. no need for a wastegate.
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post #5 of 84 Old 01-23-2012, 12:02 PM
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The waste gate helps with guys running the 250 and up hp tunes. The small exhaust housing on the high pressure VGT turbo causes a lot of back pressure, we have a kit that deletes all the egr equipment and also requires no welding or modification to the downpipe.

You can also add the polished stainless intake elbow to it as well.

EGRD64WG Wide Open Performance Wastegate/EGR Delete Kit 2008-10 Powerstroke 6.4L
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post #6 of 84 Old 01-23-2012, 12:24 PM
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Originally Posted by Eric@PTP View Post
The waste gate helps with guys running the 250 and up hp tunes. The small exhaust housing on the high pressure VGT turbo causes a lot of back pressure, we have a kit that deletes all the egr equipment and also requires no welding or modification to the downpipe.

You can also add the polished stainless intake elbow to it as well.

EGRD64WG Wide Open Performance Wastegate/EGR Delete Kit 2008-10 Powerstroke 6.4L
Eric, so are you saying that anyone running a tune above 250 should probably have a wastegated EGR delete, even with stock turbos? I'm currently running the Spartan 300 tune and will be deleting the EGR soon and just want to make sure. I was always under the impression that it wasn't necessary, but I'd rather error on the safe side if you know what I mean!!

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post #7 of 84 Old 01-23-2012, 12:48 PM
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Eric, so are you saying that anyone running a tune above 250 should probably have a wastegated EGR delete, even with stock turbos? I'm currently running the Spartan 300 tune and will be deleting the EGR soon and just want to make sure. I was always under the impression that it wasn't necessary, but I'd rather error on the safe side if you know what I mean!!
Well really the the stock turbos are the culprit of the high back pressure, the volume of exhaust the the 6.4 can put out cant get through the small exhaust housing on the vgt turbo fast enough with out causing an excess of pressure. That's why you see so many up pipe failures on the 6.4's. Its really not an issue as much with the aftermarket turbo guys unless they are spraying nitrous and need to keep peak boost in check, or if they are running anything that peaks at over 50-55 psi on stock head bolts.
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post #8 of 84 Old 01-23-2012, 01:02 PM
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Stock turbos will certainly make more than 40lbs!!

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post #9 of 84 Old 01-23-2012, 01:20 PM
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Stock turbos will certainly make more than 40lbs!!
Depending on the tune yes.
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post #10 of 84 Old 01-23-2012, 01:35 PM
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I was told by a reputable source you do not need a wastegate unless you are adding nitrous or propane and yes on my HD300 tune I can push well over 40lbs
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