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BRZ Second-Gen (2022+) -- General Topics General topics for the second-gen BRZ |
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07-28-2022, 06:11 AM | #15 | |
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We didn't go this route for a couple of reasons. One is that the units are light and don't require additional support. Another is that PCV lines will remain clear and clog free the shorter and closer to heat they are. So tucking them close to the engine keeps accumulation more liquid and less likely cool, condense, solidify, and cause a clog. Although, for anyone that is over the top about maintenance and inspecting these things, this would all be a non-issue. |
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07-28-2022, 11:27 AM | #16 | |
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07-28-2022, 11:53 AM | #17 |
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Is auto drain back a good idea? Wouldn't that create a positive pressure in the AOS that would counteract the vacuum extraction of the oil vapor.
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07-28-2022, 12:02 PM | #18 | |
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It's the main reason I ditched my previous catch can, it was too long and it essentially created a P trap.
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | blsfrs (07-28-2022) |
07-28-2022, 12:46 PM | #19 |
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@NoHaveMSG: "there is one on the market, though I am not going to link it on another vender's thread."
I didn't realize Ewoks could be so considerate. |
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07-29-2022, 06:09 AM | #20 |
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Our Turbo EJ setups have a drain back, but the FA is a very different animal. You're not puking out 1/4 quart on acceleration or a hard corner like with an EJ. The FA accumulates a couple mL over a long period of time. Internally, the FA crankcase baffling is far superior to the EJ.
You can drain back any AOS system, but you have to consider the risk/reward of going in that direction, because 90% of the time when an AOS has issues, it's in the drain back. |
08-01-2022, 11:38 AM | #21 | |
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | blsfrs (08-01-2022) |
08-02-2022, 02:03 PM | #22 | |
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I don't know what unit you were using, but our vortex design works quite a bit better than most. Cans, swirl pots, baffles, and media filled units, generally work well under more specific conditions whereas our units work well over a much wider range of flow. Did you happen to test for what may have been getting past the can you were using? There's a couple of different ways this can be done if you're interested. From using this design with the 911 market, accumulation varies a LOT based on several factors. We have some customers that drain it every other oil change and get very little (~6,000 miles) and some who drain after a track day and get a significant amount. Based on BRZ FA24 Alpha and Beta testing, we've found the accumulation to be less than what we see on the 911s. Which makes sense because the 911s have a higher output and are turbocharged. Functionality wise, the units work very well from a separation standpoint. As far as historical data, we started testing nearly immediately after the new gen became available, but that really doesn't tell us anything as far as how these engines change blowby characteristics as they wear, increase power due to mods, E85, turbocharging, etc... This is why we offer a single unit, dual, and for draining on the conservative side. Many enthusiasts are over maintainers, and the couple minutes it takes to check the drain is minor in comparison to the time it takes to change the oil. Another option, which we offer to the EJ market, because some don't like draining the goo back into the crankcase and the EJs have LOTS more liquid oil coming out of the crankcase, is a remote reservoir off the drain. The plus side of doing this is it doesn't affect functionality of the PCV system like a drain back can, and you can easily make the reservoir capacity multitudes larger than what the unit itself holds. BLSFRS does make a good point that you have no idea how much is coming out if it's draining back. Short term changes in blowby is almost always an indication of an underlying engine health issue. |
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08-02-2022, 03:04 PM | #23 |
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It's an ingenious design, very compact.
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08-03-2022, 06:02 PM | #25 |
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Skip to 13:45 for the AOS install.
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08-10-2022, 11:32 AM | #27 | |
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08-16-2022, 03:32 PM | #28 |
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We just replenished our inventory, no waiting, woot woot! :P
Last edited by KillerBMotorsport; 09-19-2022 at 09:20 AM. |
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