Since you have 120~130 static, that points to it being in good condition...technically. If you could get an accurate leakdown number, that would be super helpful. I am predicting ~3% or so on all 4. If its 5% or more and you hear it in the crankcase, then its the rings for sure. I'm 99% sure I know where that FP Green came from. If I'm right, I have a ton of parts from that vehicle as well. I wouldnt think the meth causing a problem. It is hard on rubber parts. But as far as being a combustible and charge cooling agent, I have not heard of any long term problem with using it. *shrug* Not knowing how the ming version of the AOS is constructed, I cant tell you if its working or not. But seeing as how he likes to photo copy other peoples products, reverse engineer it, build it and then market/sell it as his own, it either copies crapford's AOS or its just a AOS looking thingy that doesnt work. I'm not sure w/out cutting it open and comparing to the crapford one. You could see about borrowing someone's crapford AOS and see what happens.... Now when you say "a bit" of oil, how much? Normal like a stock STi would have? More? Less? Puddles?
possibly a stupid question, but have you tried a step up to 5W-40 oil? i noticed you've been using 5W-30...it may be worthwhile to go up a grade or even try another brand of 5W-30 and see if you notice any effects in consumption. oils can be very different in makeup even within brands. i know its a pretty different engine, but just as a data point, my RS was drinking royal purple 5W-30 like it was party time (.5 qt. per 1k miles) when i first bought it, and switching over to pennzoil cut the consumption down to 1 qt. per 5k miles. hope you figure it out!
^Normally I would suggest that, but since its only consuming at high boost trips, I'm not going to recommend it right now.
Actually have been running 10W30 synthetic for 50K miles. I've tried multiple manufacturers, none have allowed me to run the car under high boost for any period of time. I actually disassembled the AOS to see how it worked and what was inside, nothing special really, just a divided chamber from what I can remember, but I've never used anything else or seen something to compare it to. Ming does have some videos of the unit on YouTube showing a couple of different experiments. Also, I bought my own leakdown tester yesterday, so I'll try it again today if we're slow. The first test I was just looking for a good/moderate/bad reading and not really paying close attention to the actual #. The oil is not pouring out or even dripping when I remove the pipe from the turbo, but it collects some around the coupling. Not too sure how much is normal. I'll try and get some pics later today.
If its just a small amount and there's no significant amount anywhere, its likely normal. Pics would for sure help.
Eh used turbo and oil in the downpipe.....does not sound like a good combo. Could BE the turbo going out. I would think if it was just a small amount then it would be burned off and not be visible when you take the downpipe loose. I am sure Ming's AOS is every bit as good as the next one out there. There is nothing magic about these AOS. It is basically a glorified catch can. The problem I think (not hard data at this point) is that with our tiny crank case, it is flowing out of the crank case and you are tying in 3 hoses into a single outlet that increases the velocity of the crank case air going through it and it just flows too fast for the oil to come out of suspension. This is just speculation on my part though. Could also be that you would need multiple units. I just don't know at this point. I have only been researching this for a couple weeks on the Subaru platform. I do hope to come to a good solution though. I just have not had time to test anything yet.
I was gonna say the same thing about running Shell Rotella T synthetic 5w-40, but Will already ruled that option out. I have heard where ppl did see lot less or no consumption after switching to Rotella T. I run it in my car and at 3k miles with it's fair share of 21psi trips no consumption.
He said COUPLER...there are no couplers on the exhaust side. I am 100% sure he is referring to the outlet side of the compressor. Back to the oil thing, you could try the 5w40 Rotella at your next oil change. Its cheap at walmart and it is an extremely good oil. *shrug*
Mike have you seen the new AOS on the market? Grimmspeed has one now but I dunno how I feel about it.....it replaces the oil cap....sorta like the Prova one.
Interesting...centrifugal force style like you see on a couple oem designs from BMW and Mercedes. Don't know if it will work or not, but it is different. The oem ones are quite a bit bigger but work on the same principal.
Indeed. It's so weird though, it doesn't seem down on power and it's made 400+ wheel every time I've put it on a dyno. I guess I'm gonna have to bite the bullet.:wtc:
Hit up Ballistic on here, thats Andrew he works at Ball Engines and they have been doing a lot of Subies lately. They just did a built motor for Eddie that may be the quietest motor I have ever heard. Matt
Thanks for the link!!!!!!! I think I want one of those now... I cant see the pics, but there's just no way you are getting those numbers AND no consuming oil at low boost. PERIOD. If those numbers were real, the engine would not run (due to valves leaking) or it would be smoking like an old steam locomotive at full tilt even at idle (due to rings/piston blowby). SS may remember a bobble head block that was at SOG some years ago, at 9% leakdown the car ran "ok" but used 1qt of oil every 100 miles and smoked badly. Black 05 STi with WRX hood and wingless trunk, Perrin FMIC, 35R and Tein SSP coilovers. You are doing something wrong with the test but I cant tell you what it is as there's too many thing that could be done just so slightly wrong that could be messing with the readings.
The tester is brand new and has not been used on any other vehicles. Tested it with 100psi, just like the OM said.