 Aluminum Dry Sump Tank Questions |
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| gnomefabtech |
 Feb 2 2025, 12:52 PM
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Member  Group: Members Posts: 152 Joined: 27-December 22 From: Los Angeles Member No.: 27,063 Region Association: None  |
Hello All. I'm using one of Ben's aluminum dry sump tanks and am having some issues with the motor "wet-sumping" and flooding out my turbo.
I have a cracking valve in the oil return hose and I'm pretty sure the oil isn't coming in that way, but I'm wondering if it can come in through the scavenge side instead. I don't have a check valve in there because I assumed (yeah I know what happens when you assume) that the outlet was above the oil level and there would be no way for it to return that way. Is all I need a check valve on the scavenge line? Does Porsche have one there on it's stock dry-sump setup? I'm not running a Porsche engine but it is a dry sump. Thanks. |
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| mb911 |
Feb 2 2025, 01:19 PM
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#2
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914 Guru Group: Members Posts: 7,694 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest 
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QUOTE(gnomefabtech @ Feb 2 2025, 10:52 AM)  Hello All. I'm using one of Ben's aluminum dry sump tanks and am having some issues with the motor "wet-sumping" and flooding out my turbo. I have a cracking valve in the oil return hose and I'm pretty sure the oil isn't coming in that way, but I'm wondering if it can come in through the scavenge side instead. I don't have a check valve in there because I assumed (yeah I know what happens when you assume) that the outlet was above the oil level and there would be no way for it to return that way. Is all I need a check valve on the scavenge line? Does Porsche have one there on it's stock dry-sump setup? I'm not running a Porsche engine but it is a dry sump. Thanks. What filter are you using? Check valves internal to the filters can be an issue. I dumped the Mahle filters in favor of Mann and much better. The filter is the only way it can back feed into scavenge side |
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Posts in this topic
gnomefabtech Aluminum Dry Sump Tank Questions Feb 2 2025, 12:52 PM
mb911 Oh and what engine you running and what height in ... Feb 2 2025, 01:25 PM gnomefabtech First off. The depth of knowledge here is really a... Feb 2 2025, 06:06 PM
Shivers
First off. The depth of knowledge here is really ... Feb 2 2025, 06:38 PM
mb911
First off. The depth of knowledge here is really ... Feb 2 2025, 06:39 PM GregAmy
Rothsport does have a check valve or something li... Feb 3 2025, 08:45 AM gnomefabtech Thanks for the tip. There are a few options that ... Feb 2 2025, 06:55 PM Steve @mb911 sorry for the hijack, but with my factory ... Feb 2 2025, 08:03 PM mb911
[b]@[url=http://www.914world.com/bbs2/index.php?s... Feb 3 2025, 05:22 AM gnomefabtech I would think it could be noisy when the scavenge ... Feb 2 2025, 08:36 PM gnomefabtech The important number is the height of the top of t... Feb 3 2025, 10:11 AM mb911
The important number is the height of the top of ... Feb 3 2025, 11:01 AM gnomefabtech
So the scavenge goes into the filter then up to ... Feb 3 2025, 05:26 PM GregAmy
The important number is the height of the top of ... Feb 3 2025, 11:11 AM gnomefabtech
The important number is the height of the top of... Feb 3 2025, 08:29 PM gnomefabtech Problem solved!
So, it was a two pronged iss... Feb 11 2025, 08:35 PM |
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