ccv mod question
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More Turbo
Joined: Apr 2009
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ccv mod question
Hey guys I have read posts on the CCV mod and kept thinking about big rigs. Tractor trailers have the vent right under the engine compartment. Why do you have to run the hose to the back of the truck?? And not just under the engine? Would I be able to run it under the engine compartment and still get the same results??
Thanks
-AJ
Thanks
-AJ
Elder User
Joined: Jun 2009
Posts: 999
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From: Easley, SC 29640
Hey guys I have read posts on the CCV mod and kept thinking about big rigs. Tractor trailers have the vent right under the engine compartment. Why do you have to run the hose to the back of the truck?? And not just under the engine? Would I be able to run it under the engine compartment and still get the same results??
Thanks
-AJ
Thanks
-AJ
AJ, the results would be the same, the reason for running out the a$$ is for smell control...that burnt oil smell will come directly into the cab if just stubbed under the engine bay...at least that's my opinion...
Senior User
Joined: Jul 2009
Posts: 129
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From: Hanover, PA
Hey guys I have read posts on the CCV mod and kept thinking about big rigs. Tractor trailers have the vent right under the engine compartment. Why do you have to run the hose to the back of the truck?? And not just under the engine? Would I be able to run it under the engine compartment and still get the same results??
Thanks
-AJ
Thanks
-AJ
Fleet Mechanic
Joined: Jul 2005
Posts: 1,800
Likes: 52
From: Southern Colorado
A draft tube will let some of the blowby out, but not as much if you left the factory CCV in place. So, by bypassing the factory system, you are leaving (somewhat) more crud in the crankcase.
Is the assumption with the CCV mod that because the truck holds a lot of oil and it is changed frequently that the junk that is normally sucked back into the engine won't hurt if left in the crankcase? A crankcase vent isn't only about pollution - there's water and other byproducts of combustion you're trying to remove from the crankcase.
Is the assumption with the CCV mod that because the truck holds a lot of oil and it is changed frequently that the junk that is normally sucked back into the engine won't hurt if left in the crankcase? A crankcase vent isn't only about pollution - there's water and other byproducts of combustion you're trying to remove from the crankcase.
Elder User
Joined: Jun 2009
Posts: 999
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From: Easley, SC 29640
Is the assumption with the CCV mod that because the truck holds a lot of oil and it is changed frequently that the junk that is normally sucked back into the engine won't hurt if left in the crankcase? there's water and other byproducts of combustion you're trying to remove from the crankcase.
No we want to keep all that crap out of there, gets sucked straight into the turbo from the vent...alot of these guys run a catch can and reroute the CCV back into the OEM spot to maintain the Factory setup, but get rid of the contaminents...
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More Turbo
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what goes in place of the old hose? So there wont be a hole in your intake hose? Ive seen kits out there but figured it would be quick and easy just routing it near the engine.
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Lead Driver
Joined: Jan 2007
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From: Kiowa CO
Honestly, the only thing I catch in my CCV filter is oil and just a very, very small amount of water. And not that much oil either. About a tablespoon every 5000 miles or so. But a tablespoon of oil as vapor being circulated around your IC pipes and boots can cause a oily mess and can cause your boots to slip off over time.
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Elder User
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From: Easley, SC 29640
I think it was the largest or next to largest that i put over the inlet...here's the pic with part #:
hope that helps...bought 'em at Advance Auto here in Huntsvegas for @$2.79 for the pack...bought 2 packs, i also used one to do the "red line" EGR plugs
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Joined: Feb 2005
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From: Michigan
I tapped mine 3/8 npt coated a pipe plug with RTV and screwed it in. problem solved
Lead Driver
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From: Kiowa CO
Thread Starter
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More Turbo
Joined: Apr 2009
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-AJ
Lead Driver
Joined: Jan 2007
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From: Kiowa CO
