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04-15-2008, 03:26 PM | #1 |
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Riss Racing Oil Catch Can Released!!! $65
Hello everybody we have released our Oil Catch Can. It is in stock, and available now! Please visit www.rissracing.com for more information. Price is $65 + shipping.
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04-15-2008, 04:08 PM | #2 |
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I like using one for even occasionally track driven cars, it makes a big difference in intercooler efficiency over time. Even a thin oil layer can really ruin heat transfer.
That's a good looking piece. When you get your O2 sims ready, I'll order all the little bits together.
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RIP Gretta: Blue Water/Lemon 135i. Died to save me. -ChuckV |
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04-15-2008, 05:17 PM | #7 |
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Originally Posted by Riss Racing
I have been getting quite a few PMs on what an oil catc can is for. Hopefully we can help educate the community on the reason for an oil catch can anybody that would like to chime in feedback is appreciated! Oil Catch Can takes the oil and moisture in the blow-by gas that causes carbon and sludge build-up in the intake system, intercooler piping, and the engine. To elaborate, theres no such thing as a perfectly sealed cylinder, during combustion gas will always slip past the rings into the crankcase. (the bottom of the engine) if this pressure just built up obviously the engine effeciency would be reduced and bad things would happen as seals started getting pushed against. To relieve this pressure a PCV is put in which stands for positive crankcase ventilation. On NA cars, that have constant vacuum in their manifold, the valvehead (the top of the engine, which is connected through passageways to the crankcase, the bottom) is connected to the manifold, the vacuum draws out the blow by which is then combusted in the cylinders. But keep in mind the crankcase is very hot, lots of evaporated oil in there, this is also drawn out with the blow by. In NA cars it's not good (why burn oil when you don't have to) but it's not horribly bad either. In a turbo car though where vacuum is not always present in the manifold it is a regular practice to route the PCV to the intake pre turbo where vacuum is present (or at least not pressure). Problem with this is all that oil vapor is now running past the turbo, and then into the intercooler where it condenses, and coats it, reducing its efficiency. It also coats the rest of the charge pipe and pools. Not to mention that having oil go in with the intake air during WOT is not exactly a power adder. A catch can is a generic method for removing the oil from the PCV by giving it a different place to condense and be stored besides your intake track. Quote: Originally Posted by veightkiller i'd like to see some pic's aswell to see where this thing sits on the engine bay. It can sit wherever you want provided you have enough tubing to reach the location. The location of the PCV is in this post, it's the black tube from the engine cover going into the turbo intake pancake. There's also a lot more info in that thread. http://www.e90post.com/forums/showpo...70&postcount=8 |
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04-16-2008, 11:10 AM | #9 |
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Lots of great information coming from the 335 guys on the catch can if you would like to read http://www.e90post.com/forums/showth...=134467&page=3
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04-17-2008, 08:51 PM | #11 |
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04-18-2008, 08:33 AM | #12 |
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04-20-2008, 10:00 PM | #13 |
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Drives: 2006 Interlagos Blue BMW M5
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Hi Guys,
We should get the ceramic coated sets back this week. We'll have them available ASAP On the site. Also, a DIY has been completed so i'll update this site with the PDF. Thanks guys! |
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04-24-2008, 12:09 AM | #17 |
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Drives: 2006 Interlagos Blue BMW M5
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http://www.e90post.com/forums/showthread.php?t=134467
DIY is on post #99. Again, this is a DIY from someone with an intake. Without an intake, you can place this closer to the top of the engine bay. As soon as Anthony gets back on he'll post the DIY in this thread. Thanks guys! |
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