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Old June 27th, 2007, 08:24 AM   #1 (permalink)
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HOW TO: Oil catch can install

*Original Post by Need4Speed*

1) Remove black engine cover

2)You will now see a lil hose on the left side going from the red valve cover to the intake manifoid.

3) Connect a hose from the red valve cover to the right side nozzle on the catch can.

4) Connect a hose form the left side nozzle on the catch can to the input nozzle on the intake manifoid.

5) Make sure they are tight and held with clamps or something.

6)Thats it for Installation wise. Now for mounting.

7)If you have a cai ( i hope you do Smile ) There should be a bracket on the bottom right by the ecu. Use the bolt on the left hand side of the braket.

Cool Now take ur bracket screw it on the catch can, and hook it behind that bolt tightly and you should be good should look like this :





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Old June 27th, 2007, 10:14 AM   #2 (permalink)
 

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One bit of advice. If you have a 6spd and/or an AEM CAI, the can won't fit there. The 6spd has a different layout of the bolts and the AEM CAI sits further over to the right, exactly where his can is positioned.
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Old June 27th, 2007, 12:22 PM   #3 (permalink)
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I made a custom L-shaped bracket that is attached to those two holes that hold the base of the stock intake in. It butts the can right up against the side of the ECU.
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Old June 28th, 2007, 03:29 PM   #4 (permalink)
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for a few bucks would you mind making another one of those brackets? got any pics?
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Old June 28th, 2007, 03:58 PM   #5 (permalink)
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I can take some pics tonight. I cut and measured the metal but had to get a friend to weld it since I don't have a welder.
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Old June 28th, 2007, 04:25 PM   #6 (permalink)
 

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benefits of this?
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Old June 28th, 2007, 06:25 PM   #7 (permalink)
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Here is the way mine is setup
Attached Images
File Type: jpg DSCF0037_s.jpg (87.4 KB, 284 views)
File Type: jpg DSCF0038_s.jpg (67.5 KB, 234 views)
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Old June 29th, 2007, 12:25 PM   #8 (permalink)
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benefits of this?
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Old June 29th, 2007, 12:58 PM   #9 (permalink)
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benefits of this?
It's a preventative maintenance thing. Keeps your engine cleaner. HP gain = ZERO
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Old June 29th, 2007, 04:11 PM   #10 (permalink)
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I can take some pics tonight. I cut and measured the metal but had to get a friend to weld it since I don't have a welder.
so you think you could get your friend to weld up another bracket? if so how much?
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Old June 29th, 2007, 04:54 PM   #11 (permalink)
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It's a preventative maintenance thing. Keeps your engine cleaner. HP gain = ZERO
Primarily an overflow is for boosted cars. Venting oil back into the intake is an emissions related function. I will say that what your EGR puts back into your plenum is much much worse than the negligible amount of oil that you are misting into your intake.
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Old June 29th, 2007, 05:03 PM   #12 (permalink)
 

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By the way,

I have the same oil catch for sale. $50 including shipping, comes with both hoses I purchased. It's new and never been used.
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Old March 10th, 2008, 09:39 PM   #13 (permalink)
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Back Ground on the PCV System aka "Oil Catch Can"

Source: PCV Vented Catch Can Upgrade

-----------------------------------------
The goal of the PCV (Positive Crankcase Ventilation) system is to simply relieve the pressures which build up in the cylinder head due to pressurization of the crankcase. You see, as the piston is pumping up and down in its respective cylinder, you might think that the only pressure it's creating is that due to the compression of the intake mixture. You'd be incorrect. You also have to take into account the compression occurring on the back side of the piston on the downward stroke. This, plus the small blowby past the piston rings (or large amount if your rings are shot) lets gases enter the crank case area where your crankshaft is pumping away. Since the head is joined to the crankcase via the oil return ports, the cam galleys would become pressurized as well if no purging system existed. If the engine was a closed system, this pressure would build up and would eventually start rupturing seals and blowing oil all over the place. That's where the role of the PCV system comes in.

The crankcase is vented into the head via a number of channels. The primary one is a hose at the front of the motor just under the oil filler cap. Also, gases can get in via the low pressure oil drainback holes along the head as well as through the high pressure oil intakes coming from the oil pump, albeit in a much smaller amount. The only exit for these pent up gases is through your various seals or the breather hose barb on the top of each valve cover. The breathers can technically be located anywhere in the engine, but are put here since this is the best place to keep oil losses at a minimum. The barbs are baffled within the cam cover to try and keep mostly vapor coming out.

In the normally aspirated Supra, as with any normally aspirated car, these vented are plumbed into the intake near the throttle body. This effectively burns any excess gases which escape in the combustion process. However, in the turbo Supra, and again as with any turbocharged car, you have an additional problem to worry about -- intake plenum pressurization. If a turbocharged car was only connected to the throttle body, every time the car hit positive boost pressure, the pressure would effectively pressurize the PCV system and force additional air into the motor -- and I don't mean where it should be going :-). That's why the turbo Supra PCV pipe is connected to both the throttle body and the intake pipe (before the turbo). That way, under boost pressure, the pressurized air coming out of the throttle body now will take the path of least resistance and skip past the valve covers and instead vent to the intake (accordian) pipe. This will also create a low pressure area over the hose barbs and generate a slight suction to pull out any excess pressure in the head.

Now the bad thing about this for turbo owners is that this hot compressed gas (HC) contains vaporized oil in it which will condense on (or in) the first cool thing it encounters. In our case, that's the intercooler. The intercooler is doing nothing wrong. It's simply doing its job and cooling down the intake charge which is heated from the compression and conduction action of the turbo. But once that oil vapor reaches that point, it'll condense into a liquid again and begin making an oily film on the inside of your intercooler and piping nearby. I've heard accounts from many turbo owners (of various makes and models) about actually pouring out oil from their intercoolers. Also, the induction of this hot vapor will dilute the nice cool air mixture being drawn in and raise the octane requirements of the motor and lower the power (albeit slightly).

Now since I upgraded to the HKS Intercooler and Hard Pipe kit, I didn't want to ever see my new baby filled with oil. Plus, it makes sense to keep from contaminating the intake charge with oil vapor when you could use the same wasted volume for additional air into the motor. Therefore, I made some measurements and did some searching around for a catch can. I could have simply mounted a pair of K&N filters directly on the valve covers, but they would turn brown and oily eventually and the oily mist would get on the surrounding components quite quickly. A catch can would prevent this.

Catch cans are used, and have been used in racing for many years. Basically, they serve to catch and condense the vapors coming off the valve covers. They're mandatory in racing to prevent various engine liquids from leaking out on the track and causing havoc to a traction dependant environment. On race cars, you'll see them on many more systems than just the PCV.
-----------------------------------------


Featured Catch Can from Source: Jaz Racing "Mini-Breather Can" (designed primarily for serious go-kart racing) $42.50
Jaz Racing - 800-525-8133










What can I say... I had nothing beter to do...



Source: PCV Vented Catch Can Upgrade
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Old April 1st, 2008, 01:06 AM   #14 (permalink)
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By the way,

I have the same oil catch for sale. $50 including shipping, comes with both hoses I purchased. It's new and never been used.
$50 shipped (28613)? give me like 2 weeks and i just may take it off your hands if no one else does.
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