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 DIY Oil Catch Tank, More Healthy Intake manifold

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TSmicwin1437
post Apr 28 2007, 09:49 AM, updated 19y ago

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Why pay more when you can diy on your own.

purpose of this oct.
-to keep our intake manifold, combustion chamber and exhaust as clean as possible free from engine oil vapour which could reduce your fuel octane if mixed but i could have contamidate it since i did my oct only when my mileage is around 40000km, but it is never too late.

what you need.......
-2 radiator stopper
-3 feet of hose rm3/ft
-brass y joint rm2
-used oil separator-salvage from your friend who works in a factory that have compressor
-diy holder for the oil separator

here are some picture.....
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oil vapour trap after 6 days
TSmicwin1437
post Apr 29 2007, 08:06 PM

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QUOTE(mcko @ Apr 28 2007, 12:19 PM)
Is the radiator stopper used to block off the breather tube?

But the t-joint part look confusing, is it spliced between the pcv valve and intake manifold?
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hard to say but i attached this image for you to view...

OCT DIAGRAM
TSmicwin1437
post Apr 29 2007, 10:15 PM

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QUOTE(Hybrified @ Apr 28 2007, 10:16 AM)
Actually i wonder what is oil catch tank for ? unsure.gif

like some others i see is SAFC, AFR and many more ....
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Currently all car manufacturer are required to recycled engine oil vapour into intake manifold to protect the enviroment.....but this is not healthy for our engine cause engine oil vapour will turn into sludge in the intake manifold and combustion chamber....this will inturn reduce the octane of the fuel and result in lower power output.
It might not be significant for turbo charged engine but for NA engine every hp that you can salvaged counts......

QUOTE(moon* @ Apr 28 2007, 12:21 PM)
you u show the steps on how u DIY this man..

pretty cool n useful
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will try.....

QUOTE(xtorm @ Apr 29 2007, 08:15 PM)
hmmm, normally concept of OTC is to let the engine air go back into the intake manifold rite? while catching the vapour oil when it passs tro the tank...

no?
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you can do this, this is wat i did for my previous car but certain percentage of oil vapour still manage to escape into the intake manifold, not 100% clean from oil vapour and for this setup you will need 2 OCT.
when you are speeding or at high rpm, the connection hose which connects from the engine to the airfilter that you see in the photo will suck in oil vapour into the intake manifold through the throttle body so that is why you need 2 OCT with this setup.
user posted image
TSmicwin1437
post Apr 30 2007, 08:50 AM

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QUOTE(xtorm @ Apr 30 2007, 03:34 AM)
haha,, the 1 going to air filter i juz plug in a small filter, rm8 nia
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i would advice you to do it to your intake manifold side also, it is more critical on that side.........

cheers.
TSmicwin1437
post Apr 30 2007, 04:59 PM

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QUOTE(xtorm @ Apr 30 2007, 02:07 PM)
nah there i got the trusty n cheap petrol filter...even cheaper, rm5...kekekeke

hmm but the pcv valve is there for a reason rite? thats y is better to route it back? no? cant realy remember wat i read
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Emissions controls were first installed on passenger cars and light trucks in 1962. This first emission control, the P.C.V. valve, is still used on present production vehicles. The acronym P.C.V. stands for Positive Crankcase Ventilation. The valve of this system regulates the flow rate of crankcase blow-by gases into the intake manifold, thus burning these gases again. These gases contain large quantities of unburned hydro-carbons and some carbon monoxide. Flow rate through the valve is inverse to intake manifold vacuum. The higher the vacuum (i.e., at idle and low cruise speeds) the lower the flow rate. At wide open throttle when crankcase blow-by pressure is greatest the P.C.V. flows at the maximum rate.

B4 1962 all unburnt gases from the engine is release into the air directly......

there is no harm done if you use my setup...smile.gif

TSmicwin1437
post May 3 2007, 07:38 PM

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History of my OCT.... ;D
First version...cute
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Second version...ugly but practical
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Third version...a little too biggggggg
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Current version and i'm very satisfied.....
this is after 14 days of accumulated engine oil vapour excluding those escape through the brass filter....
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After cleaning....
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with better looking filter(K&N looks... ;D)
user posted image
TSmicwin1437
post May 3 2007, 08:11 PM

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QUOTE(rcracer @ May 3 2007, 08:01 PM)
LOLOL, use coke bottle and gigantic water filter somemore, priceless, you really hate the oil vapours man
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oil vapour is just like cigarate smoke which harms our lung, a silent killer, which will kill your engine in the long run.

 

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