A Car that Runs on Water Alone:
Last updated: 17th October 2005
In July 2005, an American mechanic released the details of his simple conversion system which allows an
ordinary car to use water as the only fuel. The details are as follows:
The car, which he runs on a daily basis, is a restored, eight-cylinder 1978 Chevy ‘Camaro’ with stock 350 (5.7
litre) engine, no computer controls, automatic transmission, stock 4-barrel carburettor and stock fuel pump. The
fuel tank has been replaced with a metal water tank with the filler cap vented to release heat and pressure. The
exhaust was replaced with a new 2 inch pipe which is ducted into the water tank. The water tank has baffles
inside it which also muffles the exhaust noise. The stock exhaust manifolds were used, but they will rust on the
inside - custom stainless steel pipes would be best but these were not used due to their cost.
All of the stock ignition system is used and no changes have been made. A second battery was placed on the
opposite side in the engine compartment. A 400 watt (800W peak) 110 volt 60Hz DC inverter was placed in the
engine compartment on the passenger side and a fresh air duct located behind the grill directs air into covers
placed around the inverter to keep it cool.
When the ignition switch is on, a relay turns the inverter on, the relay lead contains a 20 amp in-line fuse. This
relay only turns the inverter on and off and has no other function. The inverter is connected to the battery via a
positive wire and a negative wire (not the chassis). The inverter is not grounded to the car at any point and
instead, is carefully insulated to ensure that accidental grounding never occurs.
The wire which would normally go to the spark plug is replaced by a wire which is taken to a box containing one
pre-war mechanical twin-coil relay or vibrator per cylinder. Each of these wires drives its own dedicated ‘relay’,
the current energises the relay coil but the other side of the relay c