S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

So in regards to removing the MAF screen, has anyone tested on the S4 with a VAG and have data?

Thread Tools
 
Search this Thread
 
Old 04-29-2002, 11:35 PM
  #11  
AudiWorld Super User
 
Singletrack's Avatar
 
Join Date: Sep 2001
Posts: 16,036
Likes: 0
Received 1 Like on 1 Post
Default This is killing you isn't it ? : ) You must be in a good mood, did you just get laid or something?

: P

-st
Old 04-29-2002, 11:41 PM
  #12  
AudiWorld Super User
 
Singletrack's Avatar
 
Join Date: Sep 2001
Posts: 16,036
Likes: 0
Received 1 Like on 1 Post
Default

That sucks, I'm working midnights all week - it's 3:40 EST here...I get off at 6AM.
Old 04-29-2002, 11:43 PM
  #13  
AudiWorld Super User
 
DarinS4Turbo's Avatar
 
Join Date: Feb 2001
Posts: 2,198
Likes: 0
Received 0 Likes on 0 Posts
Default Ah, but if you have removed a restriction, that *will* lower intake temp because the turbos

aren't working as hard. In fact that is the only way to flow more air - we're already pushing it in at X psi, so if we remove a restriction that will lower intake temps and flow more mass air. I still see this being equivalent to cooler ambient temps. The intake temp sensor is post turbo so it has no idea what the *ambient* temp really is. It doesn't know the difference whether cooler intake sensor temps resulted from cooler ambient temps, or from the removal of flow restrictions and more efficient turbos. Since we already know that cooler ambient air will show an instantaneous increase in airflow, then removing a flow restriction should also.
Old 04-29-2002, 11:46 PM
  #14  
AudiWorld Expert
 
Milpitas2.7T's Avatar
 
Join Date: Jun 2000
Posts: 25,964
Received 4 Likes on 3 Posts
Default

Thank you!! F&*$ there is technical information on this forum.. Great stuff, thanks!!!!
Old 04-29-2002, 11:47 PM
  #15  
AudiWorld Super User
 
Singletrack's Avatar
 
Join Date: Sep 2001
Posts: 16,036
Likes: 0
Received 1 Like on 1 Post
Default To some extent, I'd be lying if I said 100% yes : ) I need to sit down and do some reading...

but I have too much other crap going on. I shouldn't have goofed off so much in physics either...

-st
Old 04-29-2002, 11:50 PM
  #16  
AudiWorld Super User
 
Singletrack's Avatar
 
Join Date: Sep 2001
Posts: 16,036
Likes: 0
Received 1 Like on 1 Post
Default Not the 2.7t engine, but I think it illustrates the point Fletcher is driving at.

It was posted further down, I wouldn't want to take credit for it : )

-st
Old 04-29-2002, 11:53 PM
  #17  
AudiWorld Super User
 
Singletrack's Avatar
 
Join Date: Sep 2001
Posts: 16,036
Likes: 0
Received 1 Like on 1 Post
Default Awesome, that definitely brings it together for me. Thanks again man.

Are you sure you didn't get laid tonight? What about before work? : P Hehe...

Now I have something to look forward to doing when I wake up at 4PM tomorrow.

-st
Old 04-30-2002, 12:01 AM
  #18  
AudiWorld Expert
 
Milpitas2.7T's Avatar
 
Join Date: Jun 2000
Posts: 25,964
Received 4 Likes on 3 Posts
Default Yes it does. The article makes sense. But not something I think I would do

without more testing.. 19% gain possibly, wonder what that equates to? I in fact have a secondary Air box and MAF

Thanks, hey. And Thanks Eric (heard that twice in one day, must be a record? )))))
Old 04-30-2002, 12:03 AM
  #19  
AudiWorld Super User
 
DarinS4Turbo's Avatar
 
Join Date: Feb 2001
Posts: 2,198
Likes: 0
Received 0 Likes on 0 Posts
Default

Yep, agreed But I don't think that addressed my point why this is noticed immediately at the MAF
Old 04-30-2002, 12:20 AM
  #20  
AudiWorld Super User
 
Singletrack's Avatar
 
Join Date: Sep 2001
Posts: 16,036
Likes: 0
Received 1 Like on 1 Post
Default I hear yah, but I think the point the author makes and several others here, is that...

if something (rock, stick, debris, etc) makes it as far as the MAF, you have bigger problems than the MAF getting damaged. I guess the MAF screen might hold it up so it doesn't make it the whole way through, who knows for sure though.

Later,

-st


Quick Reply: So in regards to removing the MAF screen, has anyone tested on the S4 with a VAG and have data?



All times are GMT -8. The time now is 02:23 PM.