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  #11  
Old 08-25-2011, 06:16 PM
Clay Clay is offline
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Originally Posted by hokiesax View Post
From what I'm told, the EGR delete is necessary at least on the 6.4L 'cause it sprays extra fuel in the engine that doesn't get burned. The WVO or biodiesel will end up in the engine oil which is bad.
I don't know who told you that but its not correct. the egr cooler is a PITA emissions device that can/will fail eventually and can cause big time issues when it does, namely blown heads. Its just a good idea to remove it if you don't mind breaking the law to do so but it will save you alot of headaches in the long run.
With that said, my egr system on my 6.0 is getting the "delete" done in the next month or so when these hot ass temperatures settle down some so I can actually go in my shop without baking. I'm not aware of the critical nature of the 6.4 EGR delete but I know its a must on any 6.0.
Jon, how critical is it on a 6.4?
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Old 08-25-2011, 08:53 PM
hokiesax hokiesax is offline
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I'm still learning about all this diesel emissions stuff so I may have gotten it confused. I just know you need to delete the dpf 'cause it's not necessary when running oil and it might clog and result in higher temperatures than it was designed for. There is something in the programming that sprays fuel in the cylinder that purposely does not get combusted. It just sprays in to wash out some kinda crap for emissions. Whatever that thing is, you need to turn off to run B100 or WVO. If you don't, the unburned fuel can mix with the engine oil.
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Old 08-26-2011, 01:41 AM
skunkworks skunkworks is offline
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Appreciate the feedback guys. Any other mods unrelated to the running of Bio that can make the truck more reliable. I've heard of guys upgrading the headstuds but not much else.
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Old 08-26-2011, 05:34 PM
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To do a full EGR cooler delete on a 6.4, you need to have a wastegate added or your backpressure is going to be through the roof and you can kiss your headgaskets goodbye. Headgaskets going would actually be the least painful thing that could happen in that case.

You can do a simple EGR block off plate on the 6.4, it's a 20 min job, vs. a 12hr job on a 6.0. The wastegate is built into the coolers on the 6.4, so if you completey remove them, you're in trouble, UNLESS you add an aftermarket gate. The EGR coolers are vastly better on the 6.4 anyways.

There are kits out there for EGR cooler delete and wastegate together, but they're typically over $1k.

I think a 6.4 with some hot tunes, the full delete setup with gate and a single turbo would make one wicked daily driver.
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Cause his job is to make oil and break things.
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Old 08-27-2011, 04:42 AM
skunkworks skunkworks is offline
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Why single vs stock twin turbo's?
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Old 08-27-2011, 08:31 PM
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Because it's nicer to swap a turbo out in 15 minutes instead of lifting the cab or wrestling with it for a few hours in tight quarters. Wide Open Performance and Maryland Diesel Performance both have single kits out already for these trucks. I bet they will become very popular with the hot tune crowd. Plus the singles they have chosen will help bring down some of the insane backpressures guys with stock turbo's are seeing, even with the stock gates in place via the egr coolers. The single turbo kits come with a wastegate though. The stock chargers are just being pushed out of their efficiency range with really big tunes.
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Cause his job is to make oil and break things.
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Old 08-28-2011, 02:52 PM
skunkworks skunkworks is offline
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Mdub707

Would I need to ugrade the injectors as well or is that not nessessary.

How much reliable TQ/HP over stock with the setup below & would the trans be a liability at this point?....

"I think a 6.4 with some hot tunes, the full delete setup with gate and a single turbo would make one wicked daily driver."
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Old 08-28-2011, 04:39 PM
Clay Clay is offline
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"I think a 6.4 with some hot tunes, the full delete setup with gate and a single turbo would make one wicked daily driver."
yes, yes it would. Mines about a 550 hp daily driver.
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  #19  
Old 08-28-2011, 05:38 PM
skunkworks skunkworks is offline
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How much TQ Clay
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  #20  
Old 08-28-2011, 05:52 PM
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Mdub707

Would I need to ugrade the injectors as well or is that not nessessary.

How much reliable TQ/HP over stock with the setup below & would the trans be a liability at this point?....

"I think a 6.4 with some hot tunes, the full delete setup with gate and a single turbo would make one wicked daily driver."

No, but it wouldn't hurt if you did. There are no real injector upgrades, but you can upgrade the nozzles. A small set of nozzles with the WOP single would be ok, but they're really aimed at the crowd who wants to keep stock chargers and not have to put head studs in.

There are tons of guys running hot tunes on stock everything else pushing 550hp easy, some closer to 600 with good custom tuning. The trans will hold it if you don't beat on it from every stop light. The 5R110's really are great, but you need the tuning to back it up. IMO Innovative Diesel has the best tuning as far as transmission reliability is concerned.

To put it in perspective, the hot tunes are the 310 and 350 (most argue the 310 is faster) and this is HP ABOVE stock. Not total power. I've seen quite a few do 550+ and over 1100 tq with nothing more than these tunes. Most guys use the 210 tunes for towing if that tells you anything. If you ever get the chance to really study some 6.4 dyno readouts, take a look at how much power there is early on and how long it holds out, the "power under the curve" so to speak, is amazing on these trucks.

What's really amazing is, these are 6.0 heads on these trucks too...
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Cause his job is to make oil and break things.
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