Forced Induction Supercharger/Turbocharger

Oil Return question?

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Old Jan 20, 2008 | 12:16 AM
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Oil Return question?

For the gravity feed does it need to come straight out the bottom of the turbo or can it be clocked a number of degrees? I was thinking of kind of pointing it at the oil pan. Plus that would kind of give me some extra height Im only about 1.5-2" above the sway bar.

Also, are any of you running a water cooled turbo? What coolant hose did you run through the turbo? There is a smaller diameter hose running from the water pump to the driver side of the radiator. Can I run that throught he turbo? Does water circulate throught that all the time or is that a heated hose deal that only flows when the heat is on?
Old Jan 20, 2008 | 02:04 PM
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water cooled turbo what turbo you using has to be something pretty prehistoric...
Old Jan 20, 2008 | 02:47 PM
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Its a garrett t67
Old Jan 20, 2008 | 03:31 PM
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how big are the lines for the coolant on the turbo?
Old Jan 20, 2008 | 04:42 PM
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Originally Posted by subarubill96
how big are the lines for the coolant on the turbo?

Im going to say 5/8" bout like a heater hose.
Old Jan 20, 2008 | 07:01 PM
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think you could get pic of the turbo? is it from a production vehicle?
Old Jan 20, 2008 | 08:20 PM
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Its not from a production vehicle. Long story short in august a friend of a friend had a shop install this turbo on a gxp (front wheel drive. v8 car) Tranny couldnt handle it, went through two trannys in 100 miles. I bought it dirt cheap.


This is the turbo.

http://www.full-race.com/catalog/pro...977d07c1ff556+

He aded the watercooled center section for like $400 he said.

Water fittings are just barbed brass fittings and they are 90* from the oil inlet and outlets


Only pic I have right now, you can see one of the barbed watter fittings


Last edited by jchevy; Jan 20, 2008 at 08:25 PM.
Old Jan 20, 2008 | 09:09 PM
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do you know how your gonna mount the turbo? thats pretty cool having it water cooled, but if you mount it so the coolant goes in and out gravity fed you can have it cool the turbo when you shut the car off and have all the coolant drain out so it doesnt stay in the turbo. your also alot more resistant to coking cause the oil wont be getting as hot like a oil cooled turbo. considering most OEM's are using water cooled sounds like your be in good shape
Old Jan 21, 2008 | 07:52 AM
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Originally Posted by subarubill96
do you know how your gonna mount the turbo? thats pretty cool having it water cooled, but if you mount it so the coolant goes in and out gravity fed you can have it cool the turbo when you shut the car off and have all the coolant drain out so it doesnt stay in the turbo. your also alot more resistant to coking cause the oil wont be getting as hot like a oil cooled turbo. considering most OEM's are using water cooled sounds like your be in good shape
Will a 45* angle be ok for a gravity feed. That way the oil drain could be pointed at the oil pan and the water drain pointed at the radiator. The turbo wil be in the stock AIR pump location like one of realquicks setups.

Or does the oil drain need to be verticle?
Old Jan 21, 2008 | 08:59 AM
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i hope you got it way cheaper then $1400
Old Jan 21, 2008 | 11:30 AM
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Originally Posted by jammer94
water cooled turbo what turbo you using has to be something pretty prehistoric...
Watercooled means its a ball bearing turbo. It takes oil in and out for lubrication, and on the sides the coolant/water goes in and out for cooling.

The prehistoric turbos are the oil only ones (standard journal bearings).

You can clock the center section up to ~45 degrees... but I'd go less than that... like 20-25 degrees from vertical.

PM 182z28with18s as he runs a BB turbo. Ask him how his cooling setup is.
Old Jan 21, 2008 | 02:25 PM
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Originally Posted by RealQuick
Watercooled means its a ball bearing turbo. It takes oil in and out for lubrication, and on the sides the coolant/water goes in and out for cooling.

The prehistoric turbos are the oil only ones (standard journal bearings).

You can clock the center section up to ~45 degrees... but I'd go less than that... like 20-25 degrees from vertical.

PM 182z28with18s as he runs a BB turbo. Ask him how his cooling setup is.
Thanks, Im going to try to point the oil drain a little towards the oil pan, maybe about 20*

I got my headers built over the weekend, I borrowed your idea for driverside, but changed the passenger side a little bit for a little better plug access.

Ill shoot 182z28with18s a PM. Thanks
Old Jan 21, 2008 | 02:58 PM
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lol i think jon meant clocking the turbo not the position of the drain? as long as the drain goes vertical you should be okay on the oil side, coolant side,same deal
Old Jan 21, 2008 | 03:02 PM
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water cooled is newer technology (like in the past 20 years new ) which was used to solve the problem of oil coking inside of the turbo and ruining it, hell even my cousins 90 supra turbo is water cooled.
Old Jan 21, 2008 | 03:03 PM
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Originally Posted by subarubill96
lol i think jon meant clocking the turbo not the position of the drain? as long as the drain goes vertical you should be okay on the oil side, coolant side,same deal
Yeah, thats what im talking about, the oil drain will be clocked up about
20* in relation to the ground. Get what im trying to say? The drain wont be pointing straight down at the ground, more toward the oil pan so its more of a straight shot.



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