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Old 07-23-2007, 03:42 AM   #18
Mr. Samurai
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Quote:
Originally Posted by 2plus4plus0eq6 View Post
Sorry I don't mean to hijack your thread, but can someone explain why the oil catch can is needed in dumb terms for me?

Its just trying to understand because I tried starting up my SR20det after I swapped it and oil was coming out of the turbo into my intercooler piping and onto the floor. I consider that a lot when I see a puddle on the ground.

I was thinking I needed a new turbo or new seals for the turbo I have, but if this is possibly not the problem, then I'm all ears.

Thanks

depending on how its mounted it can be used for several things... in my car and the cars i've worked on we use it for Crankcase Evacuation, we use it to relieve excessive crankcase pressure, which can lead to excessive piston ring wear and blow by, some even remove the stock pcv and replace it a catch can to reduce the amount of oil that enters the intake hence contaminating the intake air charge and reducing the octane. I've even seen some people do it cause it's cool and it's just something to do...

one way you can ghetto test it is to swap it for a similar turbo and run it for a few days as you did with the old one (not balls out tho) if you still leak then its not the turbo (unless you're not sure about that one either), make sure the oil lines are installed properly and not just running down the pipe and gathering at the lowest spot and dripping on the floor....
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