Oil in inter cooler pipe
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Freshman User
Joined: Jan 2006
Posts: 34
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From: Manteca, CA
Oil in inter cooler pipe
Yesterday I pulled off one one of my pipes to the intercooler and found oil in it. Is this from blowby? And is there any easy fix? Thanks, Dave[img]file:///C:/DOCUME%7E1/CATHER%7E1/LOCALS%7E1/Temp/moz-screenshot.jpg[/img]
Logistics Pro
Joined: Jul 2001
Posts: 4,137
Likes: 41
From: Marble Falls, Texas
Yes, it's blow by. There is a fix. Search the CCV mod. Basicly the little dog house on the drivers valve cover is turned around. (crank case vent) Then you take a piece of 3/4" hose and route it from there over the brake booster to where you want it to come out. Some put it in a canister on the frame, some just dump it right there behind the wheel well. Don't forget to plug the hole in the intake tube. That will stop the oil in the intercooler tubes.
New User
Joined: Dec 2007
Posts: 2
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The oil dosent hurt a thing. It is comon to find oil build up in the cooler pipe. You can add that external crank vent if you like but its a waste of time. Think about it, if you have that much compression loss or blow-by you have bigger problems to tend to.
Logistics Pro
Joined: Jul 2001
Posts: 4,137
Likes: 41
From: Marble Falls, Texas
Originally Posted by APERFORMAN
The oil dosent hurt a thing. It is comon to find oil build up in the cooler pipe. You can add that external crank vent if you like but its a waste of time. Think about it, if you have that much compression loss or blow-by you have bigger problems to tend to.
All engines have blow by to some degree, otherwise there wouldn't be crank case vents. Not only blow by, but hot oil, metal, rotating parts will naturally out-gas. Thus needing a vent. So just because there is blow by, doesn't mean there are "bigger problems".
This mod is WELL worth doing.
New User
Joined: Dec 2007
Posts: 2
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Yes, All That You Said Is Correct And Very True. The Intercooler Is A Heat Exchanger And There Are Many Factors That Can Reduce Its Efficientcy. My Question Is This, What Percentage Of Incesase Does That Mod Give?.... I Too Can Write A Summary Of, And Or About The Internal Workings Of An Engine. I Am New To This Site And Think It Will Be A Lot Af Fun. Thank You For Your Time.
Lead Driver
Joined: May 2007
Posts: 8,608
Likes: 13
From: Belair md
the best thing to do on a turbo or supercharged engine would be to re-route the vapors out of the engine but you need it "sucked" out to maximize efficiency. adding a small electric motor inline to draw the vapor out is the best route
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Logistics Pro
Joined: Jul 2001
Posts: 4,137
Likes: 41
From: Marble Falls, Texas
Originally Posted by APERFORMAN
My Question Is This, What Percentage Of Incesase Does That Mod Give?....
Oh yeah, welcome to the site. We look forward to seeing you on the boards. And I myself am looking forward to your writeup.
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Lead Driver
Joined: May 2007
Posts: 8,608
Likes: 13
From: Belair md
i would say there is the potential on the crazy guys trucks doing the 600 hp numbers that if you add a vent to the passenger side and have them plumbed to electric motors to pull the vapors out that you would have an increase in horsepower. but on a basicly stock 300 horse truck then i agree, no noticeable gains. but i am still drafting a plan to add a vent to the passenger side of my truck, i dont like the idea of not having one over there on a boosted engine.