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Turbo oil drain

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Old 03-28-2007 | 07:50 PM
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Turbo oil drain

I have a question about my oil drain. The way I have to mount my turbo my oil feed and oil drain will be in a 45 degree angle instead of straight up and down. Will this be ok? Also my oil drain line has just a slight rise in it will this hurt anything?
Old 03-28-2007 | 08:01 PM
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slight rise you need to post picture or explain better bro.

the center section its not ok bro... you may have to clock ( rotate ) it...

the most important section of the turbo is the center section ( bearing and oil). you want this to be as **straight up and down** as possible for the best oil flow. simple steps

1. place turbo on manifold ( test fit)

2. take note of location of center section and with your imagination you will be able to see what angle you have to adjust the center section to

3. remove bolts from center section of the turbo on both the compressor and turbine side. generally 8mm or 10mm bolts.

4. this will allow you to clock the center section.

5. after you do this you have to adjust you turbine and compressor accordingly.

**
depends on the angle of your oil line also, if you have AC your angle will be different then that of a person without AC. rule of thumb, you want the center section/ drain line to be inline or as close as possible. this will prevent oil from backing up and cooking the seals.

Last edited by Biggamehit; 03-28-2007 at 08:11 PM.
Old 03-28-2007 | 08:03 PM
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^^^^ damn i gettin you to do my new turbo when i get mine lol
Old 03-28-2007 | 08:05 PM
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Lol man, its easy stuff bro. i went from no turbo knowledge at all to building many setups.
Old 03-28-2007 | 08:07 PM
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i have a little knowledge but ive never put a full setup together with all that nonsense lol
Old 03-28-2007 | 08:11 PM
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Originally Posted by Biggamehit
slight rise you need to post picture or explain better bro.

the center section its not ok bro... you have to clock ( rotate ) it...

the must important section of the turbo is the center section ( bearing and oil). you what this to be as straight up and down as possible for the best oil flow. simple steps

1. place turbo on manifold ( test fit)

2. take note of location of center section and with your imagination you will be able to see what angle you have to adjust the center section to

3. remove bolts from center section of the turbo on both the compressor and turbine side. generally 8mm or 10mm bolts.

4. this will allow you to clock the center section.

5. after you do this you have to adjust you turbine and compressor accordingly.
I have rotated the center section. If I have the center straight up and down the oil drain is 3 to 4 inches lower than where it goes into my crank case.
Old 03-28-2007 | 08:12 PM
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Oh by the way I'm turboing my atv. Not a car.
Old 03-28-2007 | 08:15 PM
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HA HA ok dude, that should be fun... but with that and any other turbo setup, the life of the turbo depends on a constant uninterrupted flow ( in and out) of oil


so you will have to pick and pull with it to get it right bro.

what size drain line are you using ( -8AN etc???)
Old 03-28-2007 | 08:16 PM
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What about an electric oil pump to pull oil from the turbo?

Last edited by SPORTSMAN70003; 03-28-2007 at 08:20 PM.
Old 03-28-2007 | 08:20 PM
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I'm using a 5/8" hose for the drain. The turbo I'm using is a IHI RHB31 and is very small.
Old 03-28-2007 | 08:20 PM
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yea im familiar with IHI


cant tell you bro. i have never turboed a bike and i really don't know How much different things are. i would guess your oil feed is taped at a high pressure source, you must provide that turbo with proper amounts of oil, or as you know it will self destruct..
Old 03-28-2007 | 08:22 PM
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Yeah its to a high pressure source.
Old 03-28-2007 | 08:30 PM
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Here some pictures of my install.
Attached Thumbnails Turbo oil drain-installing-turbo-018-small-.jpg   Turbo oil drain-3-small-.jpg  
Old 03-28-2007 | 08:38 PM
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if you know the thread pitch of the fittings you could extend it bro. thats all i can think of that would help your situation.

that looks good man
Old 03-29-2007 | 04:57 PM
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I have now the oil feed on top and the oil drain on the bottom. ALSo I now have my oil drain line straight no upward slant. I think I still have a problem. When I wheelie wont the oil back up in to the turbo (this turbos on an atv)? I'm thinking about buying a scavenger pump to take care of my problem. What do you guys think?



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