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SVTPerformance's Chain of Restaurants
Road Side Pub
Oil Pressure Issue, Dry Sump System
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<blockquote data-quote="Mainn" data-source="post: 16284525" data-attributes="member: 130795"><p>Good afternoon! It's 2am here. Really not sure what I'm doing up, hahaha. Stupid race cars, having me think.</p><p></p><p>Interssting idea you have there. I wouldn't have thought that the relatively low temp would expand it enough though to cause such a dramatic loss in pressure. That's a tough one as it would be impossible to pick up on the test stand. As it would be such a big issue if it were the case, I will have to try and eliminate everything else first, before this could reaaally be looked into more. EDIT: oh boy, despite mentioning it in the next paragraph, I completely forgot the oil would also get thinner at hotter temps and leak through cracks more easily too. D'oh. Still, would prefer to eliminate everything else first before jumping to the worst of stuffed block. </p><p></p><p>The ONLY idea I have at the moment, is that the oil on the inlet/scavaging side is being aerated somehow, but only enough to become an issue when the oil gets hotter and thinner. How/where? Not sure, don't know enough about dry sumps - other than a low oil level potentially causing that? I considered whether the liner inside the oil lines on the suction side are collapsing (sorta relates to your scavenging system point), but figured that would happen at cold temps too. Could be wrong here though, more than happy to be corrected and learn.</p><p></p><p>I really don't know enough about dry sump systems to have a strong idea, so I'm all ears.</p></blockquote><p></p>
[QUOTE="Mainn, post: 16284525, member: 130795"] Good afternoon! It's 2am here. Really not sure what I'm doing up, hahaha. Stupid race cars, having me think. Interssting idea you have there. I wouldn't have thought that the relatively low temp would expand it enough though to cause such a dramatic loss in pressure. That's a tough one as it would be impossible to pick up on the test stand. As it would be such a big issue if it were the case, I will have to try and eliminate everything else first, before this could reaaally be looked into more. EDIT: oh boy, despite mentioning it in the next paragraph, I completely forgot the oil would also get thinner at hotter temps and leak through cracks more easily too. D'oh. Still, would prefer to eliminate everything else first before jumping to the worst of stuffed block. The ONLY idea I have at the moment, is that the oil on the inlet/scavaging side is being aerated somehow, but only enough to become an issue when the oil gets hotter and thinner. How/where? Not sure, don't know enough about dry sumps - other than a low oil level potentially causing that? I considered whether the liner inside the oil lines on the suction side are collapsing (sorta relates to your scavenging system point), but figured that would happen at cold temps too. Could be wrong here though, more than happy to be corrected and learn. I really don't know enough about dry sump systems to have a strong idea, so I'm all ears. [/QUOTE]
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SVTPerformance's Chain of Restaurants
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Oil Pressure Issue, Dry Sump System
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