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-   -   Valve Cover Vent Mod (http://www.risingsun4x4club.org/forum2/showthread.php?t=20824)

ttubb 01-30-2014 08:51 AM

Valve Cover Vent Mod
 
1 Attachment(s)
My son, Justin (Taildragon) alerted me to a mod some of the folks back east have done to reduce deposits in the intake manifold and throttle body. It is a simple process involving cutting a hose and inserting a small filter in the line. I got all the parts from Harbor Freight for less than $11.
Parts -
2 ea 68211 barb fitting with clamps - $1.99 ea
1 ea 68225 Mini Air Filter - $6.49

The air filter is designed to be under pressure so you must block the drain port to prevent air from being sucked in. I did it with a small section of plastic hose with a rivit inserted in the end.

The interesting thing is that after a day of wheeling, I had over a quarter of an inch of oil in that bowl.

Simple fix, works great! Terry

baja1d 01-30-2014 08:57 AM

Which engine is this for?

ttubb 01-30-2014 09:03 AM

Quote:

Originally Posted by baja1d (Post 245720)
Which engine is this for?


Sorry, this is on a 95 FZJ-80. T

Corbet 01-30-2014 05:19 PM

seems like if you had that much oil in there you would have had a series consumption issue prior?

ttubb 01-30-2014 06:42 PM

Quote:

Originally Posted by Corbet (Post 245780)
seems like if you had that much oil in there you would have had a series consumption issue prior?

Nope. This just captures the oil that would normally be vaporized and sucked into the intake system. The tube is there from the factory, the filter/bowl just recaptures it.

Inukshuk 01-30-2014 09:46 PM

Quote:

Originally Posted by Corbet (Post 245780)
seems like if you had that much oil in there you would have had a series consumption issue prior?

x2

Corbet 01-30-2014 10:32 PM

Yah, but if that much oil got vaporized all the time you'd be a quart low in no time?

ttubb 01-31-2014 06:55 AM

Quote:

Originally Posted by Corbet (Post 245799)
Yah, but if that much oil got vaporized all the time you'd be a quart low in no time?

You are forgetting this line is open from the factory. The filter and bowl only recapture vaporized oil so it does not go into the intake. It does not increase oil consumption.

DaveInDenver 01-31-2014 07:13 AM

Quote:

Originally Posted by ttubb (Post 245809)
You are forgetting this line is open from the factory. The filter and bowl only recapture vaporized oil so it does not go into the intake. It does not increase oil consumption.

It's not that it's increasing consumption but that if you have that much oil being vaporized then you have something causing it in the first place. That seems like a lot of oil to burn up in the course of a day. If I lost that much oil daily in my 22R I'd have none in the crankcase after a month.

J Kimmel 01-31-2014 07:44 AM

this mod doesn't increase consumption but if your engine is vaporizing that much oil to begin with you might have a consumption problem :)


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