10-10-2022, 08:42 AM | #967 |
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10-10-2022, 09:47 AM | #968 |
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Good datapoint for sure but just want to note that pressure drop does not equate to added engine/bearing wear. This was heavily debated for the need for an oil cooler for tracked FA20 during high oil temp use. Lots of great UOA from these “low oil pressure FA20” survives to this day after being pounded at the track.
In addition, pressure difference can be a result of different oil brand, new/old oil, new/oil filter. Still too many variables.
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10-11-2022, 10:47 AM | #969 | |
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10-11-2022, 11:14 AM | #970 |
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There is a wide range of actual weights even if it's labeled 0-20. And used oil wear (sheering) hence it's normal for new oil to have higher viscosity thus higher pressures.
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10-11-2022, 01:46 PM | #971 |
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and discuss...
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10-11-2022, 02:11 PM | #972 |
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Interesting design. I guess it snaps onto the existing pick up to give it a larger filter area. It's like an extension/steroid to the redesigned pick up. lol
What kind of plastic is this made from? Can it handle the high heat? What kind of testing was done on this?
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10-11-2022, 02:22 PM | #973 |
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Is it possible to have the strainer closer to the drain port in case you need to suction/scrap off some RTV without removing the pan in the future.
also do we need a strainer at all? wouldn't the oil pump just chew up any RTV into little bitty pieces that should easily pass through the main oil passage into the oil filter. If you big metal pieces that you need the strainer for then you're kinda already screwed no? |
10-11-2022, 02:22 PM | #974 | |
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Thermoset plastics will burn before they melt. As long as it is stable for use in oil should be no worries. Likely nylon, sample looks 3d printed.
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10-11-2022, 04:34 PM | #975 | ||||
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These pumps don't cavitate, at least not up to 10K RPMs. Aeration typically happens when the pump is bigger than the lubrication system is designed for... Like putting an oversized pump on a stock (or built to stock specs) block. That only pushes more oil through the bypass valve, eventually aerating. |
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10-11-2022, 06:14 PM | #976 | |
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10-11-2022, 06:51 PM | #977 |
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Kevin Vo's video he posted today on the FTspeed channel, on the partial engine tare-down has some good visuals on the excess RTV in other parts of the engine, like the timing cover and valve covers. It makes me think that dropping the pan to redo the RTV might be a bit pointless considering how much excess RTV is on the other larger surfaces.
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10-11-2022, 07:06 PM | #978 |
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Is the oil level always above the top of the strainer? What happens if the oil level drops below the top? I assume nothing good. This design seems like it would be a lot more resistant to RTV clogging, but maybe more prone to issues with low oil levels or high g's and sloshing? Or maybe not, not my area of expertise.
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10-11-2022, 07:36 PM | #979 |
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It should be.
This pre-filter doesn't change how the pickup works at all, regardless of level. In theory, the holes should reduce the probability of funneling (which is how starvation starts when the level drops really low) and reduce the likelihood of starvation under severe cornering loads. |
10-11-2022, 07:42 PM | #980 | |
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oh no not again |
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