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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > How-To / Install


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Old 03-24-2009, 08:55 PM   #131
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Default Re: Custom Catch Cans Install (Diary)

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Originally Posted by WolfPlayer View Post
... If anyone finds a fuel hose with a preformed 90 degree bend in it, please post the part number here.

FWIW, after all of the years, the small 90 degree bend is doing great.

t
I used some 1/2" PVC 90* elbows to do the sharp bends. Granted, they don't look as good as a molded hose though.
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Old 03-29-2009, 03:52 PM   #132
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Default Re: Custom Catch Cans Install (Diary)

Hey guys, i got two $10 each billet aluminum cans on ebay, bought some aluminum at lowes and have been been fabbing-up my own two can system. I picked up one of 'freddies plumbing kits' used, and will be using that two rig them up.

Props to the wolfplayer for the DIY.

Heres my pics so far:







Able to do it so far easily with a vise, sledge hammer, hacksaw, drill press.
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Old 03-29-2009, 05:42 PM   #133
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Default Re: Custom Catch Cans Install (Diary)

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Originally Posted by FleaDog View Post
Hey guys, i got two $10 each billet aluminum cans on ebay, bought some aluminum at lowes and have been been fabbing-up my own two can system. I picked up one of 'freddies plumbing kits' used, and will be using that two rig them up.
How are the can tops sealed? o-ring?
And, are you concerned about the two screws through the side of the cans? I'm thinking possible oil 'mist' leaks under pressure?

Looks good though.
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Old 03-29-2009, 07:10 PM   #134
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Default Re: Custom Catch Cans Install (Diary)

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Originally Posted by swr999 View Post
How are the can tops sealed? o-ring?
And, are you concerned about the two screws through the side of the cans? I'm thinking possible oil 'mist' leaks under pressure?

Looks good though.
the tops have a seal, and the side tube things i am gonna remove.

will post more pics of the finished product
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Old 03-30-2009, 01:14 AM   #135
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Default Re: Custom Catch Cans Install (Diary)

The Million dollar question is -- I have 1 catch can for the time being -- which should I go with, the "Red" or the "Blue" -- I think the Red is better over all? If you catch it inside the engine (crank case), then inlet shouldn't be so gunky?

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Old 05-05-2009, 12:12 AM   #136
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Default Re: Custom Catch Cans Install (Diary)

Oy, has anyone noticed any "increase" in performance by chance? For example, not having the "lowered octane" rating and generally having a cleaner engine... any smoother power/idle/mpg? lol
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Old 05-08-2009, 05:10 PM   #137
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Default Re: Custom Catch Cans Install (Diary)

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Originally Posted by sti robot View Post
couple more pictures:



I just ordered this kit! I cant wait to get it, seems really nice!
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Old 05-08-2009, 11:20 PM   #138
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Default Re: Custom Catch Cans Install (Diary)

bump for an answer to whether or not anyone has seen any increase in performance possibly? with the octane rating of the fuel not being lowered I would suspect better engine performance....?
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Old 05-12-2009, 05:45 PM   #139
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Default Re: Custom Catch Cans Install (Diary)

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bump for an answer to whether or not anyone has seen any increase in performance possibly? with the octane rating of the fuel not being lowered I would suspect better engine performance....?
probably not and if their is an increase it would be so small you wouldn't be able to notice it. Catch cans are more of a preventive mod
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Old 05-12-2009, 11:50 PM   #140
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Default Re: Custom Catch Cans Install (Diary)

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probably not and if their is an increase it would be so small you wouldn't be able to notice it. Catch cans are more of a preventive mod
Yes and no. Was talking to my tuner today and he said if your lines are so gunked up for example (just anyone here that doesn't have a catch can, pay attention) tonight I took off some hoses off the inlet hose and that pipe that connects them across the intercooler, right? Stuck a flashlight in one end and couldn't even see it on the other end. I swear to God I spent 2 hours cleaning that thing with every stinking cleaning thing I could think of in the garage and the kitchen, and ended up having to resort to a long concrete DRILL BIT on my drill to break up the crudge in there. It looked like a rabbit had taken a crap in there. The hoses were filthy too. Just think, all that stuff has NO FILTER catching it before it reaches the turbo, since this is all post-MAF stuff, which is way past your nice $50 K+N air filter for example

So if anyone can sit here and tell me that that crap cannot hinder performance by getting in your turbo compressor wheel (I don't care how fast it spins, just try cleaning this crap off your hands, the floor, anywhere you get it), intercooler, and possibly back into your engine where it came from and messing with your AF ratio, effectively lowering your octane rating, you're insane.

I can't wait to put my catch can in. The sand-like oil sludge junk was enough to make me puke and have nightmares. I can only imagine the inside of the turbo inlet hose. I can't wait to get one of those next.
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