[VintageLambo] Re: Turbo Charge/intercooling for the Jalpas

I think I remember they did not make a QV because there was not enough room? The benefit of the alcohol is also the addition of oxygen and I thought that it takes more evaporation energy (not sure). Raymond --- In VintageLambo@yahoogroups.com, "lgpdk " wrote: > Raymond, > > At this point I don"t know whether to use water/alcohol or water > only, but that should be an easy set of experiments "down the road". > Water is extraordinary in its evaporation energy requirement, I > think (too lazy to look it up right now) it is 80 cal/g from liquid > to steam @ 1 atm (100C) and alcohol is much less, but since it has > combustible energy and to my knowledge increases the octane number > it may with this more than compensate for the decreased cooling. One > of the major components in the exhaust gas is water, as you can see > form the tailpipe, when starting up on a cold humid day, so water > injection does no harm to the exhaust or cats, if so equipped. > > I think there is a benefit to having port water injection as close > to the intake valve as possible and possibly have some of the water > evaporate during the combustion. If water was evaporated upstream > the steam would compete for space with the oxygen molecules. > > Another benefit of water injection is its cleaning effect on the > intake valve and piston crown. > > QV cylinder-heads, that would be nice, although the current heads > look plenty complicated already. > > Laust > > > --- In VintageLambo@yahoogroups.com, "raymondstofer > " wrote: > > Laust > > > > are you thinking of a water only injection or did you also > consider > > the possibility to inject also race alcohol? > > > > www.nextek.ch a NOS specialist made some Turbo conversions and is > > using almost everytime water/alcohol to cool done. > > > > They realized to cool it down to -7 degrees Celsius and have been > > surprised that the engine water temp drop down from 95 degrees > under > > 80 when the pushed the engine to the limit... > > > > Instead of mounting Turbos I"d like to have a QV-cylinder head for > the > > Jalpa like Bob Wallace did on his Urraco Bob. > > > > Raymond