I'm glad theres test pilots for this type of setup, I'll keep to cooling an intercooler and running a free flowing exhaust before I send water and meth into the compressor.
i have a realy good feeling by waterinjectie, i'm planning to get one for my project, but first it need to run good.
i don't know ore i understand it good, but you're nozzle is located after the turbo, just about a couple inches before the inletcollector! but yes it goes tru the exhaust from the turbo.
i know someone who has got it on a 1.4hdi, but the gearbox broked when the torque getted to high.
Greetz, Benjamin
yeah i always wondered about that too, cause the water could collect all up in the intercooler.
Some people inject it before the turbo - have for years. Eventually it will erode the impellor blades. Almost any liquid substance going through there will.
It also plays havoc with atomization if you had really good atomization at your injection nozzle. If it can compress air to the outer wall, what do you think it will do with water/methanol that is much, much, much heavier? If you have very poor atomization, it won't hurt or help it much.
Injecting before the intercooler is generally a bad idea as well, as it also messes up atomization. If you have all these super tiny droplets, and then make them run into sharp edges and walls and all bump into each other, you will get much bigger droplets and puddling. If the water would turn from liquid to vapor very quickly, that wouldn't happen, but I really don't think it could do it fast enough in the intercooler.
The best place we have found to inject is after the intercooler, right before the intake manifold, in general. Different installations have some different requirements, but that is a good rule of thumb.
Water-methanol can drop inlet temps around 60-100 deg F and EGTs by 200-250 deg F, as well as increase horsepower. Intercoolers are great and do good things, no doubt, but water injection for gas and diesel engines has been around for a very long time, and with the much better technology applied to the systems we make today, it is a very, very good thing for turbo diesel engines.