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Old 01-26-2013, 02:18 PM   #1
konman146
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Default IXIZ vs. Crawford vs. Grimspeed AOS

so i need an air oil separator. i've been doing some shopping and pricing and asked around. i've come to the conclusion that these are the the most popular. obviously the grimspeed is cheapest. then the IXIZ, then the crawford. is crawford really $384 good? Does anyone have the IXIZ aos?
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Old 01-26-2013, 02:38 PM   #2
OrbitalEllipses
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Old 01-27-2013, 11:20 PM   #3
m1r4g3
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Old 01-28-2013, 06:20 AM   #4
Decker39
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I have installed both the IXIZ and the Grimmspeed units. Both seem to work perfectly fine but I have been very very impressed with the quality on the IXIZ units. I went to them for my rear caliper mounting brackets as well and the quality is absolutely amazing and for less money.
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Old 01-28-2013, 08:40 AM   #5
picerjamo
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I have been very very impressed with the quality on the IXIZ units.

Last edited by Unabomber; 01-28-2013 at 01:24 PM.
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Old 01-28-2013, 02:13 PM   #6
D-Rodman
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Ixiz, gets the job done, reliable, priced well.
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Old 01-28-2013, 07:37 PM   #7
nevin95 LSi
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Ask ten people about an aos and you'll probably get ten different answers.

That said, my grimspeed works pretty darn well. No oil in my intake, and no more mystery oil useage.
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Old 01-28-2013, 07:54 PM   #8
wantsti
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saikou michi catch cans work well.
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Old 01-28-2013, 08:44 PM   #9
nevin95 LSi
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The upside of the aos is zero maintenance. Which I do like.
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Old 01-28-2013, 10:33 PM   #10
csullivan
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If I were going to get the IXIZ one, I'd probably just buy the 80/20 extrusion and make it.
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Old 01-29-2013, 12:38 AM   #11
kellygnsd
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If you track your car or drive it hard you should go with the crawford.

Last edited by kellygnsd; 01-29-2013 at 01:33 AM.
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Old 01-29-2013, 12:52 AM   #12
rexblake
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Quote:
Originally Posted by kellygnsd View Post
I you track your car or drive it hard you should go with the crawford.
This. Search, tons of info in this.
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Old 01-31-2013, 04:51 PM   #13
2JZ
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Quote:
Originally Posted by kellygnsd View Post
If you track your car or drive it hard you should go with the crawford.

While this may be true, I can guarantee you the ixiz is much better. The Crawford is a glorified catch can, ixiz by design can handle much more oil
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Old 01-31-2013, 05:50 PM   #14
kellygnsd
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Quote:
Originally Posted by 2JZ View Post
While this may be true, I can guarantee you the ixiz is much better. The Crawford is a glorified catch can, ixiz by design can handle much more oil
Is that your gut feeling or do you have something to back that up with? I've only used the Crawford can on the track, in the mountains, and on the street and I know that works as directed when pushed to the limits that's why I recommended it.
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Old 01-31-2013, 05:54 PM   #15
guroove
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All of the high power builds at my tuner's shop have Crawford AOSs on them.
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Old 01-31-2013, 08:56 PM   #16
DnB_Design
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there is also the S2 Industries AOS, i think speedelement sell them
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Old 01-31-2013, 10:34 PM   #17
art@grimmspeed
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I'm biased lol
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Old 01-31-2013, 11:11 PM   #18
kh15
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Quote:
Originally Posted by csullivan View Post
If I were going to get the IXIZ one, I'd probably just buy the 80/20 extrusion and make it.
haha! one of my buddies got one and was showing it off, I was like if you knew what you actually just bought you would be embarrassed!
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Old 02-01-2013, 11:38 AM   #19
phlegmon
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Don't forget the Moroso separator (85484). I have it on my 07 STi. Very well engineered. 2 separate cans keeping the PCV and valve cover breathers isolated, as they were engineered to be.

http://www.moroso.com/catalog/catego...?catcode=18549
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Old 02-01-2013, 07:44 PM   #20
JDwhiteWRX
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Saikou Michi fan here

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Old 01-23-2014, 01:48 AM   #21
2JZ
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Quote:
Originally Posted by kellygnsd View Post
Is that your gut feeling or do you have something to back that up with? I've only used the Crawford can on the track, in the mountains, and on the street and I know that works as directed when pushed to the limits that's why I recommended it.
I have something to back it up with but I was asked not to share it. Lab testing of crawford vs ixiz and under the conditions the ixiz did a much better job. Guess you'll just have to take my word for it
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Old 01-23-2014, 08:36 AM   #22
rdieder
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Quote:
Originally Posted by 2JZ View Post

I have something to back it up with but I was asked not to share it. Lab testing of crawford vs ixiz and under the conditions the ixiz did a much better job. Guess you'll just have to take my word for it
Back it up, I'm asking you to share I can always find more money to buy a better system.
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