What is Anti-lag and how does it work ???
04 January 2002, 05:30 PM
#1
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Anyone...
Can anyone help me here? I have heard a lot about this but would like a little more info than 'it removes lag and makes noise !!'
What is it? How does it work ? Can you fit it to road cars ?
HELP!!!
EwanS
Can anyone help me here? I have heard a lot about this but would like a little more info than 'it removes lag and makes noise !!'
What is it? How does it work ? Can you fit it to road cars ?
HELP!!!
EwanS
04 January 2002, 07:37 PM
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I read something about this once... Apparently it works by combusting extra fuel and air inside the turbo itself all of the time (even idle) to keep it spooled up. It makes very quick cars (they are also very quick to burn away their turbos), so not really recomended for a practical road car!
04 January 2002, 10:28 PM
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No expert, but my understanding is that extra fuel is pumped into the exhaust manifold, which combusts, keeping the turbo spinning at high rpm to avoid lag.
This is used on rally cars, but won't be good for a road car since:-
- it will drastically shorten the life of the turbo
- it will wreck the exhaust
- it will kill your cat'.
I think there are two methods which have been used:-
- pour fuel air into the exhaust manifold, or more often,
- cut the spark to one or more cylinders, allowing the unburnt fuel/air mix to self-combust in the hot exhaust manifold.
I understand that the road-spec turbo idles at 50,000 rpm, spooling up to around 100,000 rpm on boost, whereas the WRC version idles at 100,000rpm (with anti-lag) and goes up to 150,000rpm on full boost.
This is used on rally cars, but won't be good for a road car since:-
- it will drastically shorten the life of the turbo
- it will wreck the exhaust
- it will kill your cat'.
I think there are two methods which have been used:-
- pour fuel air into the exhaust manifold, or more often,
- cut the spark to one or more cylinders, allowing the unburnt fuel/air mix to self-combust in the hot exhaust manifold.
I understand that the road-spec turbo idles at 50,000 rpm, spooling up to around 100,000 rpm on boost, whereas the WRC version idles at 100,000rpm (with anti-lag) and goes up to 150,000rpm on full boost.
06 January 2002, 05:15 AM
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Ewan,
Honest m8 u don`t wanna do it.
Yeah it reduces lag, but the way its done makes u eat turbos.
I talked to a couple of rally prep places about this last year
and the info they gave me put me right off the idea.
Pete
Honest m8 u don`t wanna do it.
Yeah it reduces lag, but the way its done makes u eat turbos.
I talked to a couple of rally prep places about this last year
and the info they gave me put me right off the idea.
Pete
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06 January 2002, 12:06 PM
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Thanks Chaps,
Was only looking for a bit more info, and now have it....it sounded a bit mental when I first heard about it...and now have been shown that it is truly mental
thanks all
EwanS
Was only looking for a bit more info, and now have it....it sounded a bit mental when I first heard about it...and now have been shown that it is truly mental
thanks all
EwanS
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