08-10 SS Turbocharged General Discussion Discuss the 2008 - 2009 Chevy Cobalt SS Turbocharged. On sale since the second quarter of 2008.

K&N typhoon installed!!!

Old Mar 18, 2012 | 02:54 PM
  #51  
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not sure what it does but ya upside down filter is supposed to be fine
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Old Mar 18, 2012 | 02:58 PM
  #52  
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From: Clarence
Hmmm alright well more than easy enough to give er a shot
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Old Mar 18, 2012 | 06:02 PM
  #53  
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From: St.Paul minnesnowta
Originally Posted by xbobbitox
I took my intake off, that is to annoying hearing my car spool and bpv balve blowing up while shifting at 2,500 rpms and not in boost. Annoys the hell out of me, I love the sound but not 24/7 so now I might do the air box mod with zzp elbow to get a little bitof sound
yea,atleast in the summer time i wont mind the BPV but if i drive it next winter im putting the stock intake back on for the winter.


ive scared 3 people now with the panda sneeze lol
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Old Mar 18, 2012 | 09:18 PM
  #54  
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I have nothing to offer than my observations, which are that I turned mine upside down and it fixed the CEL immediately. Same in Joe's car. As to why that is I'd have to refer you to a fluid dynamicist.
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Old Mar 18, 2012 | 09:23 PM
  #55  
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I think it's got something to do with changing the way the air hits the maf sensor. My cell turns on and off though since I put this intake on and mine is at 12:30.
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Old Mar 18, 2012 | 10:59 PM
  #56  
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From: Clarence
Originally Posted by Sox-Fan
I have nothing to offer than my observations, which are that I turned mine upside down and it fixed the CEL immediately. Same in Joe's car. As to why that is I'd have to refer you to a fluid dynamicist.

oh well it was just curiousity that's all
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Old Mar 18, 2012 | 11:03 PM
  #57  
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From: Mt. Pleasant S.C.
Sorry I don't have the answer. Maybe upside down makes less turbulence?
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Old Apr 26, 2012 | 09:31 AM
  #58  
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I received my K&N yesterday !! YAY!!

I was just wondering that blue stuff they give with it to put on the bolts is it all that important?
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Old Apr 26, 2012 | 09:36 AM
  #59  
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From: St.Paul minnesnowta
It's loctite. I put it on because I don't want my bolts coming loose after all the shaking anne road vibrations
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Old Apr 26, 2012 | 09:45 AM
  #60  
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No answer for the upside down filter trick, I accidentally came across it when I first got the filter in the first batch shipped out to everyone a couple years ago. I reported it immediately on here and sure enough someone who was curious also tried it out and saw fuel trims shift.

I have a aeroforce interceptor and thats how I noticed it. The position that everyone uses now was based off my observations of rotating the filter in different directions and seeing how it affects the fuel trim skew. Today I can still run my car on the factory tune with this intake with almost 0.0 fuel trims. +/- 2.5

The worst possible position was the one intended by K&N assuming the logos position. anywhere between 11:00 to 3:00 is where you want it. Some cars like it at 12:00, some like it at 1:00, some like it at 11:00. if you get a CEL you should try different rotations. If you have a scan guage like me that can see the trims, monitor them as you move the filter and drive some distance. Maybe you can fine tweak a good spot for your car since not all cars are exactly the same.
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Old Apr 26, 2012 | 10:03 AM
  #61  
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Word of warning though, with the K&N installed in my car stock tune my car was running EXTREMELY lean, as in the gauge on my friends tuning computer was stuck at the most lean number -25.4% the entire time I was driving. I'd suggest finding a tuner to see if your car is running lean, if it is get the fuel trims adjusted.

The filter also gets dirty as all hell and I can't quite figure out why. I've had it for 5 months or so and good god is that thing black from driving around!
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Old Apr 26, 2012 | 10:13 AM
  #62  
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From: St.Paul minnesnowta
My next mod with be an interceptor. I want to see what ny fuel trims are at while running the k&N
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Old Apr 26, 2012 | 10:34 AM
  #63  
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Originally Posted by CmplXty
Word of warning though, with the K&N installed in my car stock tune my car was running EXTREMELY lean, as in the gauge on my friends tuning computer was stuck at the most lean number -25.4% the entire time I was driving. I'd suggest finding a tuner to see if your car is running lean, if it is get the fuel trims adjusted.

The filter also gets dirty as all hell and I can't quite figure out why. I've had it for 5 months or so and good god is that thing black from driving around!
negative fuel trim is rich. No CEL? you sure your friends software was correct? what were the stfts? they should bounce around. Also was this on Open loop as in "cold start"? The car will more than likely run rich at cold start.

The filter will get dirty, thats what its for All that could be sucked into your motor
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Old Apr 26, 2012 | 11:42 PM
  #64  
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I just installed my k&n sri with my forge and catless zzp dp...sounds so awesome! anyone wanting a louder blow off sound without losing any hp gain should invest in the k&n! gtn tuned next wkend with James..so excited!
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Old Apr 27, 2012 | 12:07 AM
  #65  
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best place to get a gsm1?
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Old Apr 27, 2012 | 08:05 AM
  #66  
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From: St.Paul minnesnowta
Crate engine depot. They are the only ones who make the plug and play harness. I got mine from them and it took me about a half hour to install the sensors. CED FTW!
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Old Apr 27, 2012 | 11:04 AM
  #67  
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I installed my SRI .. sounds amazing .. drove it for maybe 20 miles with no CEL .. positioned it at 12h30..

I don't have any tool to measure the fuel trims though .. what would I need to check those? (besides RPD)
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Old Apr 27, 2012 | 11:36 AM
  #68  
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From: St.Paul minnesnowta
^^^ id like to know too. i wont be able to get a interceptor for another month or so
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Old Apr 27, 2012 | 11:43 AM
  #69  
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you can get a dashhawk.. thats what one of my buddies uses.. it plugs into your OBD2 and you can pretty much get any reading you would ever want, also you can clear/read codes with it I believe


just another option
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Old Apr 27, 2012 | 12:37 PM
  #70  
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From: St.Paul minnesnowta
Hmm i wonder what they loom like. Ill have to check it out when i get back to work
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Old Apr 27, 2012 | 05:26 PM
  #71  
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I'm pretty sure + was rich from when I was looking at it. Either way it was running maximum lean that I distinctly remember.

Gremlin85 is my tuner, so ask him I guess? lol
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Old Apr 27, 2012 | 10:59 PM
  #72  
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Originally Posted by Balt_and_Vette
I just finished mine but used my injen(amsoil) filter with the forge bpv. What a sound. Still a little bit of surging and a little bit of a funky idle but overall a big improvement over that stupid injen...... Ohh by the way, anybody want to buy an injen intake lol.
i do...lol
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Old Apr 28, 2012 | 02:02 PM
  #73  
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How can something be positioned at 12:30??? I get 12, 11, 3, etc. But it doesn't have two hands....
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Old Apr 28, 2012 | 02:07 PM
  #74  
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From: Kathmandu
Originally Posted by DM725
How can something be positioned at 12:30??? I get 12, 11, 3, etc. But it doesn't have two hands....
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Old Apr 29, 2012 | 07:23 AM
  #75  
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[QUOTE=CmplXty;6466932]I'm pretty sure + was rich from when I was looking at it. Either way it was running maximum lean that I distinctly remember.

+3.2%= the PCM is adding 3.2% more fuel than fuel map says at that rpm/throttle response because the car is running LEAN at that moment.

-3.2%= the PCM is removing 3.2% of the fuel addition that the fuel map says at rpm/throttle response because the car is running RICH at that moment.
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