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Old Jan 9, 2009 | 06:12 PM
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Default lower mounted turbos

If you mount a turbo lower than the oil lever. how do you guys plumb it? I read its a drain but is it still under as much pressure?
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Old Jan 9, 2009 | 07:13 PM
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Originally Posted by sinisterC4
If you mount a turbo lower than the oil lever. how do you guys plumb it? I read its a drain but is it still under as much pressure?
You have to use an electric pump to pump the oil back to the pan.
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Old Jan 9, 2009 | 07:46 PM
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You need a pump for sure. I ran a low mount for a little while and I used my leftover STS pump. Even then, the pump always had to be in high.
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Old Jan 10, 2009 | 11:56 AM
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front mount and the turbo will be located close to the bottom give or take a little to the oil filter.
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Old Jan 10, 2009 | 02:28 PM
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Originally Posted by sinisterC4
front mount and the turbo will be located close to the bottom give or take a little to the oil filter.
If any part of the turbo is below the top of the oil level in the pan, you will need a pump.
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Old Jan 11, 2009 | 08:09 AM
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It HAS to be able to gravity feed back to the pan or it will definitely need a pump... IMO, just mount it higher and be done with it... I don't like the idea of an electric pump holding the fait of my motor... Esp for the oil!!! Too many things that can go wrong. I know some people run them for years and never have real issues, but some of them go for 6 months and crap out...

As a matter of fact, the first time my new motor was built and running it fell victim to an STS oil pump and starved a bearing...
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Old Jan 11, 2009 | 10:04 AM
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I've heard of at least 5 or 6 trucks that have had oil return pumps fail and take out an engine. I know that some people have never had issues but you will NEVER see me with an oil return pump on ANY vehicle I ever own for that very reason.
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Old Jan 11, 2009 | 10:13 AM
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Originally Posted by silver-mod-o
It HAS to be able to gravity feed back to the pan or it will definitely need a pump... IMO, just mount it higher and be done with it... I don't like the idea of an electric pump holding the fait of my motor... Esp for the oil!!! Too many things that can go wrong. I know some people run them for years and never have real issues, but some of them go for 6 months and crap out...

As a matter of fact, the first time my new motor was built and running it fell victim to an STS oil pump and starved a bearing...
This story sounds so familiar It will to a couple of my friends too unfortunately.

In my case, the pumps didn't fail, but a fuse... Yes, a $.39 piece took out a forged motor where 19psi could not.
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Old Jan 11, 2009 | 10:56 AM
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thanks for the info. i'll remeasure and see if i have room to move it up. i was just giving myself a lil room.
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Old Jan 11, 2009 | 02:54 PM
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Originally Posted by thunder550
I've heard of at least 5 or 6 trucks that have had oil return pumps fail and take out an engine. I know that some people have never had issues but you will NEVER see me with an oil return pump on ANY vehicle I ever own for that very reason.

That is why there is a pressure hob switch that sets in front of the pump on the sts kits. If the pump stops working the oil pressure will build up in the oil feed line resulting kicking the hob switch on and putting power to your buzzard inside the cab letting you know the pump has stopped workin.
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