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09-23-2015, 09:07 AM | #101 |
Scooby Newbie
Member#: 293525
Join Date: Sep 2011
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Here's a quick picture of my recent install
Install and plumbing was straight forward as it's connected to my Crawford AOS and then to each head. I'll be putting it to the test after I break in the new motor, but it's another solid piece of kit from Killer B. Thanks Chris.
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09-24-2015, 04:28 PM | #102 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
Thanks for posting the pic and the kind words!
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05-25-2016, 01:13 AM | #103 |
Scooby Specialist
Member#: 75414
Join Date: Nov 2004
Chapter/Region:
RMIC
Location: Rock Springs,Wyoming
Vehicle:2004 STi Its the Blue one |
Did my first race weekend with the valve and I'm beyond stoked with the outcome. Before it I was draining almost a quart through out the day from my catch can after 4 sessions. Keep in mind I run the Crawford AOS that than goes to a vented catch can. With the valve I drained 1/4 of a quart after two days and 6 sessions.
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07-18-2016, 01:40 AM | #104 |
Scooby Specialist
Member#: 75414
Join Date: Nov 2004
Chapter/Region:
RMIC
Location: Rock Springs,Wyoming
Vehicle:2004 STi Its the Blue one |
Wanted to do another update about this valve. I ran another race and yet again it was flawless. If you truly track your Subaru this is a must for you. And as a reminder I'm in no way affiliated or sponsored by Killer B, just want my fellow track guys to know how well this works.
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08-09-2016, 05:47 PM | #105 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
Thanks so much for the update and follow-up! Always great to hear our products are providing reliable oiling system solutions for the performance levels you guys are reaching!
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08-27-2016, 09:46 PM | #106 |
Scooby Specialist
Member#: 40060
Join Date: Jul 2003
Chapter/Region:
SCIC
Location: Santa Monica
Vehicle:2002 EJ207 Bug-STi |
Wish I knew about this product a few days ago...
Needless to say I will be buying one shortly |
08-29-2016, 08:44 AM | #107 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
Whoah, that's a lot of smoke. One way to keep people from getting around you is using the James Bond smokescreen
Feel free to shoot us a PM or e-mail. Always interested in engine bay shots and specs on the venting to see if we may be able to offer any advice or input |
12-28-2016, 10:38 AM | #108 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
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01-17-2017, 09:45 AM | #109 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
We've got our Oil Control Valves in stock in preparation for racing season!
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03-22-2017, 05:59 PM | #110 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
What G level and time increment causes the valve to close?
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03-22-2017, 07:29 PM | #111 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
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03-24-2017, 10:52 AM | #112 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
G's over time. In autox I consistently hit over 1.5 g's, but it's for very short periods of time. If the valve is closing but only briefly, then it's not going to hold oil in the heads as much vs steady state sweepers where I'm usually at 1.4-1.5's for about 2-3 seconds. Even then, does the valve open right away after the G's are less than the set value, or is it a delayed opening?
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03-24-2017, 12:15 PM | #113 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
It's mechanical. If you hit that value it closes, below that, it opens. There is no delay in opening/closing except for the time it takes for the valve to actuate; which is pretty fast.
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03-27-2017, 05:08 PM | #114 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Have you considered one that will control at a lower G level? I have to imagine there is a market for that as well. Autox, track guys on street tires, etc who could use something that closes at 1.1ish and above G's.
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03-27-2017, 05:31 PM | #115 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
If you're running our pan, you wouldn't need one at that low of a lateral load, unless something else is going on. Even the factory pan is good to ~1.2Gs for a little while.
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03-27-2017, 10:19 PM | #116 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
I'll take that as a no. You'd be surprised what a well setup car on Hoosiers with aero will do at an autox using your pan. Hell, even the street tire cars will push oil out of any of the AOS systems on the market using your pan. So, no, your pan doesn't solve the issue
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03-28-2017, 06:51 AM | #117 | |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
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MAIC
Location: Virginia
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Quote:
With auto-x you're much more susceptible to slosh/surge from the many rapid direction changes. As long as you're not using one of those flat plate baffles, I wouldn't think it wouldn't be a problem. It's similar (but different) from the drag guys that see surge up the back of the block during launch and gear changes, shooting oil out the crankcase port. |
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03-28-2017, 09:18 AM | #118 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
I agree we see a lot of sloshing in the crank case, but what happens is we're filling the heads with oil from slosh, and then going through sweepers at 1.3-1.5 g's for 3-4 seconds while modulating throttle. So the oil is already in the heads from the slosh, and then get's pushed out. The road course guys have the heads mostly empty before the turn and oil builds up there over the longer time period then blows out.
I have your oil plate above the pan too for reference It's the same net effect, just different ways of getting there. |
03-28-2017, 05:38 PM | #119 |
Scooby Specialist
Member#: 134764
Join Date: Dec 2006
Chapter/Region:
RMIC
Location: Lindon, Utah
Vehicle:04 sti java black pearl |
We went threw this in the oil porting thread. At the level our SM auto X cars are an oil pan is not enough to hold oil in the pan. I know Subydudes car is more capable then mine and if I'm having problems he should have them worse then me.
Id like to know if this valve could fix the sloshing problems for our cars in the short amount of time we are in a corner. |
03-28-2017, 06:11 PM | #120 | |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Quote:
The way to solve it without building in a time delay (which would make it far to complicated) would be to lower the threshold to something like 1 g so it would remain closed long enough to allow some drainage back to the pan and also potentially mitigate the slosh into the heads. I think at this point increasing the size of the AOS canister is really the best option. Most runs are done in less than 70 seconds and having a capacitance type system that holds enough and then drains back when you're in grid is still acceptable. I generally hit an equilibrium point where oil won't blow out, but it's well below the full mark and I don't like that when spinning the motor high. |
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03-29-2017, 07:11 AM | #121 |
Scooby Specialist
Member#: 260314
Join Date: Oct 2010
Chapter/Region:
NESIC
Location: S central CT, New England
Vehicle:2007 STI silver gray metallic |
Subydude, Are you saying that you collect and hold your oil only to let it go back to the engine after a run?
I've never been more inclined to get my data collection working on my car. Can I avoid going to dry sump? So far I have. Chris, of KB often asks if people have data and I wonder if Chris is even doing it and when? Is KB testing always done on a volunteering car and where's the data? I know Chris poo-poos Accusumps but if it's a placebo, I like having it. I just wish there were more than anecdotal evidence. I can't say what kind of G's I pull... In addition to the KB pan stuff, have a very simple catch-can and drain-back system. The can is high so the hose off the breather is right up against the hood as it does a 90° turn. From the breather, I run a 1-1/4" hose down into the wheelwell so vapors don't have much of a chance of entering the car. At the end I have a filter. I started putting a sock over it to see what I was blowing out and to help control it. The sock took hours to get damp. This is on a well-worn engine making 24 PSI and 7,200 RPM and doing road course work. I've done auto-X and I know what you are up against. Track buddies who have the KB valve say it helps! |
03-29-2017, 07:50 AM | #122 | ||||
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
Quote:
Are you using an Accusump? Quote:
Quote:
The only time oil goes out the heads, is if it builds up to a point where it overwhelms the valve cover's internal baffles. I think the argument here is not whether it's happening, but how; slosh (surge) or accumulation. If the A/O separator was designed correctly, it should be draining very very quickly anytime the throttle is lifted and gear changes. Quote:
Something else to note... Before we came out with the oil control valve, the next best thing was mounting the catch can or separator as front and center as possible. The most common location being in front of the A/C compressor. On throttle in sweepers was the biggest issue and this improved it quite a bit. Seeing as how wantsti is having problems on left handed turns, and the separator is on the right strut tower, making this change or even putting it near the pitch stop, may very likely help. |
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03-29-2017, 12:18 PM | #123 | |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Quote:
Road race load on the oil system is different than autox because of the nature and frequency of turns. On my car, I can do pulls all day on the dyno or straight line drags and not blow any oil out of the AOS. It's only at autox where I'm turning while on throttle the whole time. I think an accusump is fine. I understand the premise behind it, and while it's a bandaid, some times bandaids still solve problems well enough that you don't need something else. Sometimes people get too wrapped up in "fixing" a problem that they ignore a simple option that doesn't "solve" it, but makes the problem manageable. |
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03-29-2017, 12:29 PM | #124 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
The problem with the Band-Aid Accusump fix is that is will also cause pressure oscillations in use. It also does not have the capacity to flow anywhere near what's necessary for these engines.
When used as a means for priming, or as a damper, they are great. Last edited by KillerBMotorsport; 03-29-2017 at 12:35 PM. |
03-29-2017, 12:37 PM | #125 | |||||
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Quote:
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Can placement can have an effect for sure, and physics should always be reviewed. |
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