anti-lag system

[Seth]

I realize that this isn't legal in most racing classes, butI have seen a
2 second shot of N20 wired into the full throttle switch work wonders as
anti-lag. That car (280ZX turbo with bigger turbo) would do prodigious burnouts.
-Seth

Greg Hermann wrote:
> 
> >What if you injected H2O into the exhaust manifold to create steam?
> >Would the expanding steam drive the turbine?
> 
> H2O in the exhaust manifold has a similar effect to using a smaller A/R
> ratio turbine housing. At lower engine speeds, it will improve turbine
> performance. As you approach the ideal operating flow for the turbine
> housing which is being used, the water will hinder performance. Bottom
> line--the water is some help if done right, but a hindrance if NOT done
> right.
> 
> Coating and/or insulating the exhaust manifold will have more of a positive
> effect. Remember--it is HEAT  ENERGY in the exhaust gasses which drives the
> turbine. The more heat you keep in the exhaust gas prior to the turbine,
> the more efficiently the turbine will operate. (Hotter gas going through
> the turbine=lower absolute pressure ratio across the turbine for the same
> power output--thus less back pressure on the motor, and more power output
> at the same boost level.
> 
> Greg
> 
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