Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

anti lag system

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Old 07-24-2008 | 07:12 PM
  #1  
Bagin,DVS's Avatar
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From: Bethlum, PA
Car Info: silver 2.5 tr 2006MT wrx
anti lag system

are the anti lag systems tuned into a car, or is there actual hardware that has to go with it.
Old 07-25-2008 | 01:06 PM
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I believe that it's mostly from tuning but you do need some sort of air-bypass.
Old 07-25-2008 | 04:02 PM
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Car Info: 03 Impreza WRX
i can field this question because i ran it haha

its mostly tuned

but you need a solinoid to keep teh throttle cracked open slightly
Old 08-29-2008 | 05:16 PM
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tune in to it. but cobb AP V2 has the launch countrol which does the same thing. the cobb even have flat foot shifting.
Old 08-29-2008 | 09:12 PM
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Originally Posted by wimprezax06
tune in to it. but cobb AP V2 has the launch countrol which does the same thing. the cobb even have flat foot shifting.
what cobb does != anti lag. Anti lag keeps the turbo spooled up while off throttle. Rally cars do it by putting fuel injectors in the headers, as the headers are so hot the fuel ignites and keeps the hot side of the turbo going. The other way to do it is retard the **** out of the timing and keep dumping gas so you aren't burning the gas and let the exhaust manifold light it. While the cobb flat foot shift saves you time between shifts, and helps a bit with the lag, you will still have it. Anti-lag systems make it so that when you shift and lay into the gas again, the turbo is already spun up and waiting. You need a big blow off valve because when you are off throttle the hot side is still being driven, so the cold side is still making boost. The other problem is you get tons of heat on the exhaust side and your turbo will die pretty fast.

Anti-lag on rally cars = cooooool. Anti-lag on street cars = ummmm just add more stickers instead.
Old 08-29-2008 | 09:15 PM
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....

Last edited by stirs; 08-29-2008 at 09:18 PM.
Old 08-29-2008 | 09:16 PM
  #7  
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Car Info: 2000 2 door RS/ daily driver vtech
...

Last edited by stirs; 08-29-2008 at 09:20 PM.
Old 08-29-2008 | 09:26 PM
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Originally Posted by stirs
.....
Originally Posted by stirs
.....
Someone playing on someone else's computer??? Email notification lol.

Last edited by illusion; 08-29-2008 at 09:42 PM. Reason: gave stirs a break lol
Old 08-29-2008 | 09:30 PM
  #9  
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does anyone know if the 02 wrx has that at all on tuning with AP
Old 08-29-2008 | 09:34 PM
  #10  
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Car Info: 2000 2 door RS/ daily driver vtech
Originally Posted by illusion
Someone playing on someone else's computer??? Email notification lol.
didnt give my sister 300 bucks so she strated to mess arround with the computer.....I gave her 40 so she left me alone....dam that suck, erase that **** bro...lol
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