anti-lag system

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Old Feb 19, 2010 | 07:57 PM
  #1  
s.cha's Avatar
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Default anti-lag system

i was wondering if there is any problems regrading the anti-lag system. i heard that it can blow your turbo and/or engine. i was also wondering if it can be setup with a crome tune. looking to get the ant-lag system installed but i wanna know the pros and cons on this.

my setup is gonna be a semi built ls vtec turbo and i was wondering if it will be safe for me to run the anti-lag system. and what hp do you guys think i would get?? tuning on crome and E85. looking for 400+ hp. and if there's anything i may be missing lmk. thanks

HEAD
jdm obd1 b16
stock IM/TB
type r dual valve springs
gsr camshaft w/stock cam gears
hondata IM gasket

BLOCK
eagle rods
srp 8.5:1 81.5mm pistons
acl race bearings
GE ls vtec kit
stock head gasket
gsr oil/water pump

FUEL
precision 1000cc injectors
walbro 255
generic fuel rail/FPR

TURBO
gt35r dual ball bearing turbo
twisted ramhorn mani
3'' down pipe
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Old Feb 19, 2010 | 08:16 PM
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85's Avatar
85
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Default Re: anti-lag system

when you say anti lag are you referring to the ridiculous timing retard? Ive never used it but from what i remember, yes it is hard on the engine in terms of super high EGTs. then again, if its timing retard thats controlling it, then their should be different levels of anti lag.
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Old Feb 19, 2010 | 08:47 PM
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Default Re: anti-lag system

Why are you looking into this, what type of racing are you doing? I think you need to research this a little more... if you're serious, I doubt you would be running Crome for your engine management
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Old Feb 19, 2010 | 09:05 PM
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Default Re: anti-lag system

I believe he's talking about where people use there launch control and build boost before dumping the clutch. I wouldn't do this on a set up. The only time I have ever seen this is when people set there launch control super high like 6500rpm and up. People here, call this "Anti-Lag" but from what I know it's just something people gave a name to the building boost before take off.
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Old Feb 19, 2010 | 11:18 PM
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EL TYPE R's Avatar
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Default Re: anti-lag system

this subaru has what you want right?

http://www.youtube.com/watch?v=WTAPpsL2xOU

this is extra fuel being thrown into the exhaust manifold, making it explode therefore spining the turbine while you are shifting maintaining the turbo spoolig at a high level.
this will damage your exhaust components, competition cars use it because they must win. And if they break a manifold, its ok. theres a new one in the truck. their exhaust messes up, its ok they have an extra 3 in the truck. if the turbo blows, theyll swap it out. parts are not an issue to a competition car.
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Old Feb 20, 2010 | 10:56 AM
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Default Re: anti-lag system

yea like that but i guess i'll stick with the 2 step. okay so what hp do you guys think i'll achieve with that setup?

anti-lag system on integra
http://www.youtube.com/watch?v=-MddFC1TOdw
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Old Feb 20, 2010 | 12:14 PM
  #7  
85's Avatar
85
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Default Re: anti-lag system

I love the sound of that Integra from the front.
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Old Feb 20, 2010 | 10:32 PM
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Default Re: anti-lag system

Whats your purpose of the car? If you dont plan on drag racing it, you dont need it.
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Old Feb 21, 2010 | 09:26 AM
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Default Re: anti-lag system

Originally Posted by Silva Bullit DC4
Whats your purpose of the car? If you dont plan on drag racing it, you dont need it.
i cant think or any reason other then drag racing to use anti-lag.
as for it being bad for the motor. it can be if you use it for more then 4-6secs at a time it can melt stuff but if you dont use it for a long time it will be fine.

-alex
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Old Feb 21, 2010 | 06:47 PM
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Default Re: anti-lag system

its gonna be a DD and drag
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Old Feb 21, 2010 | 07:32 PM
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Default Re: anti-lag system

so you mean 2 step
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Old Feb 21, 2010 | 07:34 PM
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Default Re: anti-lag system

he's my old car on 2step, you can kinda hear it pop. this video i was at 437hp 439tq.
orange car btw. i had to let off because the road turned into 1 lane.

http://www.youtube.com/watch?v=DLGbrEeUwzU

http://www.youtube.com/watch?v=1JM55oYHKxc
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Old Feb 21, 2010 | 07:51 PM
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Default Re: anti-lag system

lyncoors-

+1 for devilsown methkits!! i have one ill be installing when i finally go boost... used them on a couple srt-4...great results...

back to the topic... 2step is waht you want...from a dead stop it will allow you launce full throttle, as well as build boost... and ditch the crome... just my .02
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Old Feb 22, 2010 | 04:05 AM
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Default Re: anti-lag system

Originally Posted by fsg231
lyncoors-

+1 for devilsown methkits!! i have one ill be installing when i finally go boost... used them on a couple srt-4...great results...

back to the topic... 2step is waht you want...from a dead stop it will allow you launce full throttle, as well as build boost... and ditch the crome... just my .02
Yeah chance at DO is a great guy
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Old Feb 22, 2010 | 05:42 AM
  #15  
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Default Re: anti-lag system

Originally Posted by s.cha
its gonna be a DD and drag
You'll be fine as long as you dont use it for long periods of time. Just use it at the drag strip during launches.

The amount of boost you build at the line will depend on your tuner, and your two-step limiter RPM will depend on your personal preference. As a reference, my LS redlines at 7500 RPM, so I have my two-step limiter set a 6000 RPM. My tuner retarded enough timing to give me 11 psi of boost at the line (my max boost is 14), although I really dont need that much for my whp level. I recently backed it down to 9 psi. Again, it depends on the user.

Last edited by Silva Bullit DC4; Mar 1, 2010 at 05:00 AM.
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Old Feb 28, 2010 | 07:22 PM
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Default Re: anti-lag system

the 2 step and the turbo lag is two different things.
two step, is used to launch of the line.
turbo lag is to maintain full boost when you shift.
two different things
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Old Mar 1, 2010 | 05:11 AM
  #17  
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Default Re: anti-lag system

Originally Posted by EL TYPE R
the 2 step and the turbo lag is two different things.
two step, is used to launch of the line.
turbo lag is to maintain full boost when you shift.
two different things
Let me clarify your statement...

Yes, two-step & anti-lag are two different things, BUT anti-lag is used in two different ways. For drag strip purposes, alot of timing is retarded during revs at the line to dump huge amounts of fuel into the turbo manifold (as you stated earlier) so the heat can ignite and combust that fuel and instantly spool the turbo. In rally car race purposes, anti-lag is used between shifts to keep the turbo spooled up.

The term "Two-step" is just a limiting factor in RPM during your launch. Thats where the misconception between anti-lag & two-step comes in.

Your Subaru vid is a prime example of it being used to keep the turbo spooled during shifts (with the huge pops when the throttle is shut), and s.cha's vid is a nice example of it used for a drag application. And judging by ear, it sounds like that Integra's limiter is set at 6k RPM.

Last edited by Silva Bullit DC4; Mar 1, 2010 at 05:41 AM.
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Old Mar 1, 2010 | 06:29 AM
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Default Re: anti-lag system

i love my anit-lag its a wonderfull thing and ppl say it hurts there motor bc they dont know what there doing or it didnt get tuned right ppl have been running anti lags forever! and between the shifts there are so many different names ive heard no lift shifts and stuff like that but i have that set up to. i have my anti lag at 6 grand for over 3 years with 2 different cars. i dont think you will get that with chrome im using an aem
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Old Mar 2, 2010 | 04:40 PM
  #19  
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Default Re: anti-lag system

anti lag is for launching off the line its the same as 2 step but helps build boost. wot shift or "flat shift" is for changeing gears with out letting of the gas.
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Old Mar 2, 2010 | 06:40 PM
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Default Re: anti-lag system

yes but flat foot shifting with the anit lag keeps the boost up instead of coming down in between shifts
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Old Mar 2, 2010 | 06:44 PM
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Default Re: anti-lag system

I think he just wants it cause lets face it anti-lag staging sounds great LOL. But in all reality it is harsh on the engine and turbo but its been being done for a long time and it has yet to blow a turbo that i've heard of. Its definatly not somethign you do lke in that video back to back to back. it generates alot of heat int the manifold and turbo. basicaly your dumpign tons of fuel into the cylinder and retarding the timing alot. what this does is causes unburnt fuel to enter the manifold and turbine and the retarded timing will cause the spark to occur when the exhaust valves are starting to open which will ignite the fuel in the manifold and turbine generating tons of heat and heat aka expanding exhaust gases is what spools up a turbo.
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Old Mar 3, 2010 | 06:10 AM
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Default Re: anti-lag system

Originally Posted by Turbo-LS
I think he just wants it cause lets face it anti-lag staging sounds great LOL.
I want to do two-step/anti-lag with an e-cutout just for this reason lol. "What? You think your cammed V8 sounds naaasty? Oh yeaaahhh...?"
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