water into efi system before injectors.

[mike crane]

Hi PG

You wrote
 
> Hasn't someone invented a water pump that works off engine
> vacuum, yet? Can't be much more than a diaphragm and a
> couple of valves, perhaps a spring and some other bits
> for pressure regulation. This technology would last forever
> in an H2O and hot air environment of an engine bay.

Don't know, but they use small Mikuni diaphragm pumps triggered by "engine
vacuum" with all fuels in carburetted racing go karts and marine engines.
Work OK as fuel pumps in 70hp 250cc engines, and they are cheap!

Regards
mike

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