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Turbo Oul Feed Line/ Pressure Restrictor

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Old 12-21-2002, 07:31 PM
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on a t04s for a fd what should the line diamater be? -4an? or what should i uses as a pressure restriction line

thanks guys
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Old 12-21-2002, 09:47 PM
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You could use a -3an, -4an will be fine too but I wouldn't go any bigger.
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Old 12-25-2002, 09:58 PM
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Originally Posted by 94touring' date='Dec 21 2002, 07:47 PM
You could use a -3an, -4an will be fine too but I wouldn't go any bigger.
Yeah, going bigger will lead to alot of smoking. MY friend used a -6, and it was pretty embarrassing.
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Old 12-25-2002, 10:15 PM
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Ok, I know that going bigger causes a problem with the oil and results in smoking. But how much oil is consumed? Anybody care to explain why this occurs?
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Old 12-25-2002, 10:19 PM
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Originally Posted by 94touring' date='Dec 25 2002, 08:15 PM
Ok, I know that going bigger causes a problem with the oil and results in smoking. But how much oil is consumed? Anybody care to explain why this occurs?
The oil pushes past the seals. A significant amoutn can be burned. I once had a stock turbo with bad seals, and it would burn about a quart every 100 miles.
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Old 12-25-2002, 10:41 PM
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From what little I know the oil return line should be much larger to allow the oil to circulate.
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Old 12-26-2002, 08:40 AM
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yea im running a -10 return line
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Old 12-26-2002, 02:46 PM
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The FD has a very high oil pressure, It doesn't matter what size the line is to the turbo, but you should have a oil restictor with a 1.8-2mm pin hole in it just prior to where the oil enters the turbo... Most turbo kits will have this in the 1/8 npt adapter that bolts to the top of the turbo.. you can also make one yourself by cutting a piece of thin aluminum to the shape of the flange and drilling a small hole in it centered where the oil inlet is on the turbo.. Then use a gasket on both sides of the piece you made...



as a side note, a couple drops of oil leaked in to the front pipe will make a cloud of smoke the size of your car..



:bigok:
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Old 12-26-2002, 03:40 PM
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Originally Posted by Dragon' date='Dec 27 2002, 05:46 AM
as a side note, a couple drops of oil leaked in to the front pipe will make a cloud of smoke the size of your car..



:bigok:
Something that I'm quite familiar with.
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Old 12-29-2002, 01:51 PM
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Originally Posted by jspecracer7' date='Dec 26 2002, 04:40 PM
[quote name='Dragon' date='Dec 27 2002, 05:46 AM'] as a side note, a couple drops of oil leaked in to the front pipe will make a cloud of smoke the size of your car..



:bigok:
Something that I'm quite familiar with. [/quote]

HA HA
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