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Hello guys, wanted to a pose a quick question, did the CCV mod on my truck, would this cause low boost and higher EGTs? I have another thread that i created last week related to High EGTs and Lower Boost.

I noticed after doing the CCV mod, i had quite a bit of smoke coming out of the CCV filter that i installed while running. I could also remove the oil fill cap and had some slight smoke coming out there. Wasn't sure if that was normal or if i had high blowby. Trucks has almost 200,000 on it.
 

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Hello guys, wanted to a pose a quick question, did the CCV mod on my truck, would this cause low boost and higher EGTs? I have another thread that i created last week related to High EGTs and Lower Boost.



I noticed after doing the CCV mod, i had quite a bit of smoke coming out of the CCV filter that i installed while running. I could also remove the oil fill cap and had some slight smoke coming out there. Wasn't sure if that was normal or if i had high blowby. Trucks has almost 200,000 on it.


From owning my 2000 as since 2004 and having the mod on mine for 12 years and having 289,000 miles on mine the smoke out the ccv mod has increased a little over the years but from my research on the 7.3 that is kinda normal to have some blowby and oil smoke. The oil does get used a lot for the injectors and oil jests for the pistons and what not. You can do the oil cap test Plug the ccv mod start the truck and take the oil fill cap off and flip it set down on the fill if it blows off that is excessive blow by and you have problems if it just sits there then good to go. Question would love to see pictures of the ccv filter you did on your truck. Thanks Mike.


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From owning my 2000 as since 2004 and having the mod on mine for 12 years and having 289,000 miles on mine the smoke out the ccv mod has increased a little over the years but from my research on the 7.3 that is kinda normal to have some blowby and oil smoke. The oil does get used a lot for the injectors and oil jests for the pistons and what not. You can do the oil cap test Plug the ccv mod start the truck and take the oil fill cap off and flip it set down on the fill if it blows off that is excessive blow by and you have problems if it just sits there then good to go. Question would love to see pictures of the ccv filter you did on your truck. Thanks Mike.


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yeah i can def get some pics, it was just something simple that i did on a wim. I literally bought a filter on amazon and attach it to the 3/4 hose there and turned it sideways underneath the air filter and it worked, it hasn't gotten oily yet, but there is some smoke coming out it. I was debating on taking a hose to it and running it along the frame but i bought a new oil catch can setup I'm thinking about doing. I know people are against ccv mods and catch cans but I'm prob going to reroute it back into my intake just to be certain its not causing those higher egt temps. Ill see if i can get a snapshot of picture later on today.
 

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From owning my 2000 as since 2004 and having the mod on mine for 12 years and having 289,000 miles on mine the smoke out the ccv mod has increased a little over the years but from my research on the 7.3 that is kinda normal to have some blowby and oil smoke. The oil does get used a lot for the injectors and oil jests for the pistons and what not. You can do the oil cap test Plug the ccv mod start the truck and take the oil fill cap off and flip it set down on the fill if it blows off that is excessive blow by and you have problems if it just sits there then good to go. Question would love to see pictures of the ccv filter you did on your truck. Thanks Mike.


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So i did do the cap thing in which you were referring too. It did push the cap off while it was running. I talked to some other people that have some trucks like mine and all theirs does the same thing. they all advised every 7.3 does this but i do not know this to be true. i have only owned one. I do have a pic that i will attach. I ended up though doing away with the filter and i went to a oil catch can and i rerouted it back to the air intake. That seems to be good right now. so ill prob keep it that way. i think the only reason i went to the can was because i could smell that stuff while i was in the cap and it smoke a little while the hood was up and engine stopped.
 

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Hahaha, saying all 7.3 blow the cap off is a good way to create piece of mind. Saves ya fixing anything. Mine sits there, doesn't even move a millimeter. Stays over the hole too, a pinch of blow by will move it over a bit to let it out. Mine don't move at all. So much for buddys theory.
 
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