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Old 01-30-2014, 08:51 AM
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Default Valve Cover Vent Mod

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
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Old 01-30-2014, 08:57 AM
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Which engine is this for?
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Old 01-30-2014, 09:03 AM
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Originally Posted by baja1d View Post
Which engine is this for?

Sorry, this is on a 95 FZJ-80. T
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"78" FJ-40 - "Marmot" F&R ARB Lockers, OME Suspension, MAF Shackle Rev Kit, 4+ Flip Kit, Rear Disc Brakes, Warn Winch, Safari Snorkel, 4+ Rear bumper/Tire Carrier
"95" FZJ-80 - "White Top" F&R ARB Lockers, Slee F&R Bumper & Sliders, Warn Winch, 35s, Safari Snorkel, Low Range Gears, P/T Kit

"13" Taco 4X4 Extra Cab, Firestone Air Ride, Airstream tow vehicle - "Daily Driver"
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Old 01-30-2014, 05:19 PM
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seems like if you had that much oil in there you would have had a series consumption issue prior?
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Old 01-30-2014, 06:42 PM
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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.
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"78" FJ-40 - "Marmot" F&R ARB Lockers, OME Suspension, MAF Shackle Rev Kit, 4+ Flip Kit, Rear Disc Brakes, Warn Winch, Safari Snorkel, 4+ Rear bumper/Tire Carrier
"95" FZJ-80 - "White Top" F&R ARB Lockers, Slee F&R Bumper & Sliders, Warn Winch, 35s, Safari Snorkel, Low Range Gears, P/T Kit

"13" Taco 4X4 Extra Cab, Firestone Air Ride, Airstream tow vehicle - "Daily Driver"

Last edited by ttubb; 01-30-2014 at 07:36 PM.
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Old 01-30-2014, 09:46 PM
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Quote:
Originally Posted by Corbet View Post
seems like if you had that much oil in there you would have had a series consumption issue prior?
x2
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Old 01-30-2014, 10:32 PM
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Yah, but if that much oil got vaporized all the time you'd be a quart low in no time?
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Old 01-31-2014, 06:55 AM
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Quote:
Originally Posted by Corbet View Post
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.
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"78" FJ-40 - "Marmot" F&R ARB Lockers, OME Suspension, MAF Shackle Rev Kit, 4+ Flip Kit, Rear Disc Brakes, Warn Winch, Safari Snorkel, 4+ Rear bumper/Tire Carrier
"95" FZJ-80 - "White Top" F&R ARB Lockers, Slee F&R Bumper & Sliders, Warn Winch, 35s, Safari Snorkel, Low Range Gears, P/T Kit

"13" Taco 4X4 Extra Cab, Firestone Air Ride, Airstream tow vehicle - "Daily Driver"
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Old 01-31-2014, 07:13 AM
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Quote:
Originally Posted by ttubb View Post
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.
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Old 01-31-2014, 07:44 AM
J Kimmel J Kimmel is offline
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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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