direct fuel injection ( petrol )

Interesting question,
and the method is currently being tested in Europe with heated fuel, direct injected under ultra high pressure, not unlike current diesel electronic engines.

Reports so far are claiming 200kw and around 400nm from 2lt N/A engines getting around 5-7lt per 100km in the average European sedan.

All indications to date seem to say we wont be driving diesels in 10 years time if the cost of the technology can be worth introducing.

enu,
Opel/Holden are introducng it on their Vectra I think.
It will utilise high pressure oil rail similar to electronically controlled
diesel engines I am told.

Moz

Hi Enu,

Gasoline direct injection has a long history, however has only recently been introduced into series production Auto with Mitsubishi the first back in ~ 97. The following manufacturers now have DI vehicles (Renault, VW, Mercedes, Toyota, Peugeot, and a heap of others soon to come). All these are high-pressure direction injection systems. Also in use is air-assisted low pressure direct injection as found in production 2S applications (outboards, jet skis, scooters, etc). This is the Orbital system, whom I work for as Senior Engineer in Fuel Systems. The attached link to our website will give you all the background you want on gasoline direct injection. Orbital

Without going into details, the benefits are improved fuel economy (10-20%) with low emissions, the latter being the driving force due more stringent emissions legislation.

I hope this helps out.

Regards,Hugh

Isn't Mitsubishi already running a GDI engine in the Pajero in Japan? It's just a question of when will it be made available in Australia

Also, the Isuzu V6 that Bruce Garland raced in the modified Holden Jackaroos a couple of years ago, was a multi-million dollar development engine using direct injection.

It's a pity Isuzu pulled the plug on the Trooper/Bighorn/Jackaroo because the next generation V6 would have been mind blowing if it saw the light of day.