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Join Date: Apr 2009
Posts: 4

Unburned Hydro Carbons

04/23/2009 6:11 AM

The internal combustion engine produces a recycable mixture of water vapor and residual oil from the crankcase pressure. Somewhere along the pollution standards were set in motion which created the PCV system. This system of reburning this water/oil mixture back into the combustion chamber plays havick with computer sensors which need a clean environment to operate correctly. I have found a water/oil separator that removes this mixture by gravity at the point between the PCV valve and the intake manifold. The benefits of the filter are double fold at least Just look at at most automobile exhaust pipes at the exit point. Alot of carbon build up( black residue) which is a result of what is pushed thru the engine. I have found this mixture of oil/water is very corrosive to the exhaust systems life expectency. So inturn the filter removes alot of this residual oil mess that otherwise defeats the clean air environment and life expectency of the internal combustion engine. Proof: My 1993 Toyota Tecoma pickup (4 cylinders) with the filter from day one has recovered 500ml( 16oz.) of recycable oil. The exhaust system shows no sign of oil residue at the exit point and the idle air bypass system along with the computer sensors live in a cleaner environment which means less pollution. What do you think?

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Guru
Engineering Fields - Systems Engineering - New Member Popular Science - Weaponology - New Member

Join Date: Jun 2006
Location: Borrego Springs
Posts: 2636
Good Answers: 62
#1

Re: Unburned Hydro Carbons

04/23/2009 8:26 AM

I think if you are getting 16oz per day in the PCV system you have a serious problem with this engine.

Were you putting a quart of oil in every other day prior to your modifications?

One of the things the PCV system does is limit the amount of vapor drawn off the engine, and it sounds like you have set up a crankcase vacuum that is drawing way too much. While the crankcase needs to breath, and needs to not be vented to the atmosphere, (hence the PCV), it does NOT need to be vacuumed.

So find out where this was previously limited, reintroduce the restriction, and then tell me how much you are collecting in a day.

Look forward to the results.

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Participant

Join Date: Apr 2009
Posts: 4
#2
In reply to #1

Re: Unburned Hydro Carbons

04/23/2009 9:32 AM

Sorry about the confusion here. I have 72,000 miles on the truck. I am just trying to keep the air in the intake manifold clean at all times. Funny how they put an airfilter before the throttle body and than dump dirty crankcase air/oil mixture via the pvc valve right into the manifold( hense the vacuum) just prior to the injectors. Something is wrong with this picture.

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Guru

Join Date: Feb 2008
Location: Van Nuys, CA
Posts: 563
Good Answers: 33
#3
In reply to #2

Re: Unburned Hydro Carbons

04/23/2009 10:33 PM

If you have dirt in your crankcase, sucking it through the PCV is the least of your problems!

The primary air filter has a heck of a lot more to deal with than a bit of oil mist coming through the PCV.

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Power-User

Join Date: Oct 2008
Location: PA.
Posts: 131
Good Answers: 9
#4

Re: Unburned Hydro Carbons

04/24/2009 5:47 AM

Interesting experiment, but a 93 toyota with only 72k miles? I would think that you need to first start with a totally fresh engine, one that is perfectly clean inside, then run it to 500k miles and compare it with an engine that does not have your device on it but has similar miles. Is there an advantage to your filter? Is the advantage so much that it negates the extra maintenance required? I have seen numerous items invented for autos that are supposed to get better mileage, more complete burn, less pollution, etc, etc, etc,.......and none of them make the market because they either don't work, cause other issues that are more problems, or are so labor intensive that noone would keep behind them. Lets get some more experementing going, I'm all for improving our environment, our internal combustion engines, our world, but lets be sure!!

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Participant

Join Date: Apr 2009
Posts: 4
#5
In reply to #4

Re: Unburned Hydro Carbons

04/24/2009 7:19 AM

Okay.....I just proved that my mouth moves and my brain doesnt.....its a 2003 Toyota Tecoma. I have PCV filter units on 3 vehicles right now and it works. The size of the filter easily goes the 3,000 to 5,000 to 7,000 mile oil changes if you use regular grade oils on the market. I use Mobil 1 synthetic and 10,000 mile oil changes are common. There is nothing but positive effects from this filter. The throttle body, the plenum chamber, the intake manifold, intake air sensor( which dont like oil on them to work right for the computer), are clean inside. I got idea one day on a trip to California, no I did not trip in California. I saw a sign at a service station that said pollution cleaning wash for your engine. They actually knew that this problem exists and there fix is take it apart and wash the oil out and of course charge 5 to 6 hrs labor. I thought why not just collect the oil before it gets there. Thats my story and I am sticking to it. So what do you think?

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Anonymous Poster
#6
In reply to #5

Re: Unburned Hydro Carbons

04/24/2009 8:36 AM

This is a common mod for some vehicles. My 95 Jag has a design issue with gumming up the throttle body from a bad pcv design. A lot of Jag owners install a simple catch can and filter inline of the pcv system. It still works the same way it just allows the driver to filter off any residule oil. Cars in the past used cranckase breather filters that had the same function. They had to be changed and it was just one more item to replace. The trend was to reduce the service requirements and they did away with breather filters onmost cars. It is a good add on for anyone that has issues with dirty throttle bodies or IAC vavles.

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Anonymous Poster (1); Digger52 (2); edignan (1); mastrsmth (1); pantaz (1)

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