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Is Anti-Lag Illegal?

isthisrealife
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karma_syke Collaborator

karma_syke

Posted
Posted

Turbo and intercooler bypass (D-valve)

A method by which a large zero cracking pressure one-way check valve is inserted just prior to the throttle body, enabling air to bypass the turbo, intercooler, and piping during periods where there is negative air pressure at the throttle body inlet. This results in more air combusting, which means more air driving the turbine side of the turbo. As soon as positive pressure is reached in the intercooler hosing, the valve closes.

Sometimes referred to as the Dan Culkin valve.

When used in a MAF configuration, the D-valve should draw air through the MAF to maintain proper A/F ratios. This is not necessary in a speed-density configuration.

thats pretty cool, very passive system, wonder how well it would work.

saliya Rising Star

saliya

Posted
Posted

Evos have factory antilag, but having it on anything else would be impossible to get engineered short of a drive cycle test, in which case it wouldnt effect the reading(depnding how it was setup)

...Strange eh.

tmk they have the air bypass hardware but not the required ECU mapping.

I can't imagine any manufacturer that offers warranty leaving this "feature" enabled.

Cheers,

SW

LANDSCRIBBLE Mentor

LANDSCRIBBLE

Posted
Posted

I setup antilag on the Vipec for shits and giggles (it's not 100% setup as I'm not that keen on it). Definetely not good for your car though.

You sure Evos have it from factory? What models? I've never heard that before that's all.

You mean proper antilag for between gear changes or just launch control antilag? (I wrote up a post in the past explaining all the different things people refer antilag to but can't be bothered finding it).

How did you set it up exactly? I heard they install a fuel injector or something into the exhaust mani?

Have you also setup the launch control or flat shift?

PM-R33 Grand Master

PM-R33

Posted
Posted

How did you set it up exactly? I heard they install a fuel injector or something into the exhaust mani?

Nah you don't install an extra injector. It just retards the timing by a huge amount and opens the injectors to create a lot of unburnt fuel so it can ignite in the exhaust manifold. It's all just settings in the ECU.

Have you also setup the launch control or flat shift?

Nah havn't done that yet. Launch control is something I want to setup in the future though.

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