In short, yes Anti-lag is better for performance simply because it will allow you to make more boost at a stand still.

Now the longer version, A-L is said to be detrimental to your car because it dumps raw fuel in to create more heat to help get that extra boost off the line. 2-step just acts as second rev limiter. Most street cars do just fine with just 2-step, i've tuned a few cars for anti-lag and most guys tell me they rarely if ever use it.

2GFWDbeast said:

i have Ecmlink v3 and i noticed there was an option for anti lag. I have a precision sc44 turbo, and my question is would anti lag benefit me more then a 2step. I have my 2 step set at 5500rpms and it launches pretty hard. Will the anti lag give me better results, if so how should i set it up.

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That depends on traction.

When i made less power i could hook decently well with the 2 step, so the car was faster launching off the 2-step. Trying to leave at full boost with anti-lag would just roast the tires, so anti-lag was slower.

I never looked at that log (No ECMlink on this computer). Did you figure out the knock issue?

My last few trips to the track I was forced to use Anti-Lag over the 2-step option. I'm not sure what the issue was but at the beginning of the season I could build about 8 psi off of 2-step and get a decent launch. I tuned anti-lag to build 12psi which so far I've netted only a 1.82 60ft. I only ran with anti-lag twice, but I'm hoping I can find the reason it was not building any boost with launch control, anti-lag will tear a motor up very quickly.

i can build 6psi on 2step and its a super wicked launch

I've pulled a 1.64 60' with both configurations, and the same NITTO 450's on factory 16" wheels.

I blow the tires off this thing at 5500 at the track with antilag, launching with all 4 spinning. I don't spin as much at 5250, but the 2-step does seem more consistent to me based on last season's averages (antilag) vs. previous seasons (with 2 step).

Several people have PM'ed me on YouTube telling me I shouldn't use antilag, and they didn't live anywhere near me, so I know it wasn't fear that prompted it.

So when launching with 2step compared to anti-lag you are just going to see less boost level before you leave the line?

Also, comparing the two, will 2step bounce of your set limiter faster, or vise versa?

Depending on the size of the turbo, you will hit 2 step, then it'll have like some sort of "pause" and then you'll hear/feel the turbo actually throw more boost out. (simply put)

I did launch a hell of a lot harder with anti lag and I always used it over 2 step. Would spin 245's over like they were 185's.

i know they are 2 completely different cars and ignition setups but i'd figure i would ask anyways.

My buddy has a Nissan nx2000 with a sr20VE engine swap(variable valve lift variant of sr20de). He also has a msd 6al and has his 2step setup. When he hits the 2step it bounces off the limiter very quickly. I have watched a couple dsm 2step videos and they bounce a lot slower when compared to the nx. I then looked up dsm anti-lag and it bounces much faster, basically the same as the nx.

Here is a video of the 2step on the nx so you could hear how fast it bounces.
ImageShack® - Online Photo and Video Hosting

Here is a video of a dsm that is going to pretty pretty similar to my setup. He is running a key driver kit so i am not sure if the 2step is setup differently. I will be running ECMlink for my dsm.
‪DKS 272 Cams DSM Eclipse GS-T 2 step‬‏ - YouTube

Both are great options as a form of launch control. 2 step will build less boost and at a slower rate whereas anti lag will build a lot more boost at a faster rate. Be careful with anti lag however. The way it works in a nut shell is retard timing to the point where combustion happens outside the combustion chamber inside the turbine housing for the turbo. The powerful and rapid explosion of air and fuel spins the turbine extremely fast. That extra force used to spool the turbo could also damage it. In my opinion anti lag is better for track/strip application where you use it less often.

Wow, how are you only building 6psi on 2 step...? I was building damn near 20 psi off the line in my evo. And don't say "well it's an evo" retard the timing more in the area where your 2 step is.

also where is everyone setting the RPM with 2-step/anti lag/ lauch control or whatever the heck you wanna call it.

I've played around with my anti lag and tuned it to build 17psi. I'm an auto, but I was tuning with it in neutral because I was thinking about swapping to a 5 speed. I have it set to work with the 2 step. I never use it with my current setup b/c I have a high stall converter that allows me to build full boost off the line, the only time i would use launch control(just the 2 step) is if I wanted to limit boost off the line.

I have a sleeper 16G

ATM the 2 step is set at 4500 and the anti lag at 4350. Fuel is enriched 12% and timing is held at 10.1.

DSMTyson said:

I've played around with my anti lag and tuned it to build 17psi. I'm an auto, but I was tuning with it in neutral because I was thinking about swapping to a 5 speed. I have it set to work with the 2 step. I never use it with my current setup b/c I have a high stall converter that allows me to build full boost off the line, the only time i would use launch control(just the 2 step) is if I wanted to limit boost off the line.

I have a sleeper 16G

ATM the 2 step is set at 4500 and the anti lag at 4350. Fuel is enriched 12% and timing is held at 10.1.

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what was your RPM when to hit 17 psi?

ViciousLord said:

Wow, how are you only building 6psi on 2 step...? I was building damn near 20 psi off the line in my evo. And don't say "well it's an evo" retard the timing more in the area where your 2 step is.

also where is everyone setting the RPM with 2-step/anti lag/ lauch control or whatever the heck you wanna call it.

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the 2-step is just a rev limiter. You're not supposed to build a lot of boost or any with this. The anti-lag feature is what everyone else explains where you mess with the timing to build boost off the line.

richard33 said:

the 2-step is just a rev limiter. You're not supposed to build a lot of boost or any with this. The anti-lag feature is what everyone else explains where you mess with the timing to build boost off the line.

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No.

Rev limiter is exactly what it's called, a rev limiter. Some cars have a sationary rev limiter and/or some have a seperate rev limiter to prevent an over rev, example being a mis shift at high rpm.

2-step and shutterbox are all the samething. Anti-lag and launch control is something completely different. http://www.rallycars.com/Cars/bangbang.html

here an old snap shot of my Evo's previous tune.


the part of the map were the ignition was retarded... I was building boost higher then 15psi. Yes, a 6k 2-step, shutterbox may seem a little bit too high for some. But it's common place for track junkie Evo.

Secondly, the timing may look high but it ran perfectly fine with no knock. Also keep in mind that the car had meth injection. Keep any bashing comments to yourself. This car ran a 11.7 - 12.0 AFR all day with no issues. She had 88,000 miles the day they stole her, still ran 33psi daily.

How small was your turbo? im guessing small since you made 420hp. evo 9 turbo?

My 2step is good for 6-8psi with an hx40 thats enough to leave with a 1.60 60ft. if i wanted to retard timing i would just use the antilag setting and fuel if need be.

If you feel like permanently adjusting the Timing tables for the 2step thats all you.

945liter said:

How small was your turbo? im guessing small since you made 420hp. evo 9 turbo?

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You sir are correct. But I'm more of a mid range power guy, I like the broadest powerband possible. Hitting 33 psi by 3500, makes for more fun. It'll taper off to about 27psi by 7500.

945liter said:

My 2step is good for 6-8psi with an hx40 thats enough to leave with a 1.60 60ft. if i wanted to retard timing i would just use the antilag setting and fuel if need be.

If you feel like permanently adjusting the Timing tables for the 2step thats all you.

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Very true, but we did that because we never fall into that part of the map while driving. Even at the track.

True, i miss my 16g setup for the street is fun but my power band is very strong 60mm is small in "big turbo" world 4500ish-8500 freight train with a lot of TQ.