As I am peicing my turbo kit together I am coming across questions that I figured that I would get out of the way and if the awnsers are not super simple I write them down so here it comes. when I tap my oil lines and run them to the turbo will I have to get any sort of special control unit to mess with the pressure. I plan on geting a oil pressure guage but I'm not sure if it needs to be tweaked.
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Kick azz is my boost hero!!! 
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are you saying that the direct feed is to much pressure so putting in an needle valve will act as a resctrictor. also what is a needle valve? and what does it do for regulation of pressure.
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Kick azz is my boost hero!!! "
Jcavi wrote:are you saying that the direct feed is to much pressure so putting in an needle valve will act as a resctrictor. also what is a needle valve? and what does it do for regulation of pressure.
a needle valve just allows you to adjust your restriction instead of using a 'restrictor'
as all applications seem to be different in some way, its hard to tell what sort of pressures you'll get out of size 'x' hose.
I would get a pressure regulator.
I got mine at 'princess auto'.. its a cheap canadian wholesale store...
just look for one with a gauge past the valve.
the valve is just a little 'ball' in the line you can turn a knob to set it and check pressure with the gauge.
that's how I'm doing mine at least.
Steve
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thanks so much this is going in the books. By the way what pressure do you think is efficant for a T3?
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Kick azz is my boost hero!!! "
now heard that a restrictor isnt necessary if your return line is big enough
any truth to false with that
LE61T PTE6262 Powered 
wait that doesn't make any sense to me
how I thought that the point of a restrictor was to control to much pressure? not ragging on any one just wondering.
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Kick azz is my boost hero!!! "
Oh, and yes, the restrictor works by regulating the pressure before the turbo, the pressure builds up on the engine side of the restrictor, and the restrictor lets just a little pressure through to the other side. A restrictor works on the same principle I stated above, the restrictor has a tiny hole forcing oil through to the other side, which has a much larger hole.
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now heard that a restrictor isnt necessary if your return line is big enough
If I understand what you meant correctly:
If your return line is backed up enough to cause influence on the turbo oil pressure, something is obviously wrong.
The oil path inside the turbo is much smaller than any return line you will ever use.
So that pathway is sort of the defining factor on pressure, not what comes after it. This would be like inserting a straw in between a 1 inch diameter hose and then adding a 6 inch fire hose on the "return line" side. The straw will still govern the pressure between itself and the 1 inch "feed" side. You could completely remove the "return line" side and you'd still see the same pressure on the feed side.
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^ Just to add on that though, if the return line is too small, it will restrict the flow and cause higher back pressure. This will probably only happen if the return line is smaller than the feed line, in theory...
Guess I didn't even think of it like that Excidium
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What pressure does hte oil seals blow at on the t3 turbo's i mean i know the eco runs like 50-80 warmed up but ive heard people say it spikes at 100psi at start up and wot. Although i dont know why people are beating on their cars before they're warm at least. But if your lines are the same size both feed and return and they are fairly large what psi are we talking about?
*2012 mazdaspeed3*
What pressure does hte oil seals blow at on the t3 turbo's i mean i know the eco runs like 50-80 warmed up but ive heard people say it spikes at 100psi at start up and wot. Although i dont know why people are beating on their cars before they're warm at least. But if your lines are the same size both feed and return and they are fairly large what psi are we talking about?
*2012 mazdaspeed3*
Shifted (KickAzz) wrote:High cold oil pressure is the #1 cause of seals blowing. You could buy a needle valve and put it in the feed line, or an oil line restrictor, but people don't seem to have a lot of luck with the little restrictor plugs.
where can i get one of these needle valves?
*2012 mazdaspeed3*
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where can i get one of these needle valves?
Most people find them at lowes or other local hardware type stores.
Ron: we always got each other's back.
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