LPG Injection

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longracing
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LPG Injection

Post by longracing »

I found this http://www.lpgli.com/features.html a few months ago and have been trying to find more information on the injectors and other requirments.

As it requires full sequential fuel control I thought it would work well with FreeEMS (up to six cylinders?-Could an 8 cylinder engine be configured with 8 sequential fuel-control outputs and 4 ignition outputs (pseudo wasted spark)).

With rising fuel prices and a government cash-back incentive (here in australia) it would be worth investigasting. Having the government help with an EMS project would be great.
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jharvey
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Re: LPG Injection

Post by jharvey »

I know a number of bus people who would like LPG on a diesel, which I don't think would be to hard with freeEMS.

From what I hear, LPG injection in a diesel setup increases the efficiency significantly, and when you're running 4-5 MPG, bumping that up to 5-6 is a huge savings. Especially when you drive thousands of miles.
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longracing
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Re: LPG Injection

Post by longracing »

Have a look at the site. It is a new system that injects liquid LPG directly into the ports, hence the need for full sequential injection. No mixers or evaporators but requires a different tank and pump. This has a cooling effect (similar to nitrous) and displaces less air during the intake cycle.

I've heard a few people say that the diesel/LPG has a lot of advantages including burning a lot cleaner and being much cheaper.
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Fred
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Re: LPG Injection

Post by Fred »

There is a dude on this site that is an expert on lpg/diesel, but I'm not sure how much about it he is able to disclose. The economy is definitely a winner though, at least in some parts of the world.
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Re: LPG Injection

Post by GrowlingandBiffo »

longracing wrote:Have a look at the site. It is a new system that injects liquid LPG directly into the ports, hence the need for full sequential injection. No mixers or evaporators but requires a different tank and pump. This has a cooling effect (similar to nitrous) and displaces less air during the intake cycle.

I've heard a few people say that the diesel/LPG has a lot of advantages including burning a lot cleaner and being much cheaper.
It may be a new system, but look at the dates...invented in 1989, and not yet brought to market.

Note they do not seem to be offering any thing for sale, just showing their IP.

Of course liguid is the Holy Grail and the way to as Ford made a system in the UK (Vialle), however it was with drawn amid large numbers of Warranty Claims, pumps and tanks. All of this was mainly due to poor filtration, according to Central Garage Croft, whom had to try and sort it out.

There is a Rolls-Royce/Bentley LPG (Liguid) under development in the UK, will try and find out what they are using and post the infomation.

LPG got a boost in London, as is exempt from Congestion Charge.

Injecting LPG into Diesel is interesting, and has been around for a few years, but strangely is not available as OE, which means the savings may not be worth while. In the USA, it is used as a performance upgrade fro hill work.

Perhaps like superchargers and turbo's that only gained mass acceptance when Ford and Saab, fitted them as STD.

Executive Summary

The Directors aim to introduce a product that will:

1. slash fuel costs to consumers and make substantial profits for the Company
2. outperform, in power and torque, existing premium unleaded petrol fuelled engines
3. utilise the 109 octane rating of LPG versus 95 - 98 for premium unleaded petrol
4. reduce emissions to below Euro 4 levels and thereby assist in reducing greenhouse gasses
5. be commercialised first in Australia and then world wide
6. be first used for taxis, couriers, private conversions, then fleets and by vehicle manufacturers

Investment opportunity is in the final development and commercialisation of conversion kits (“kits”) to enable, the most convenient, environmentally friendly fuel, liquid LPG, which is superior in performance to premium unleaded petrol, to be injected into the inlet manifold of spark ignition engines.

Since 2005, the Company has applied seed capital to further engineering refinement of key components to ensure that the best possible system can be brought to market as soon as funding is available.

The Directors believe that profits should be very rewarding as most of the development work is complete.

Market opportunity is global, potential volume, of 100,000 kits per annum (pa) is large, with Australia being the ideal introductory market.

The primary market for the kit is automotive spark ignition petrol engines, with secondary markets including forklifts and stationary engines.

Progression into the market will be through conversion of existing vehicles (the aftermarket) with the aim of supplying major manufacturers as performance and reliability is further demonstrated.

Fumigation of diesels, whereby liquid LPG is injected into the inlet manifold, replacing some of the diesel fuel, the balance of the diesel being used for ignition, is a promising market in which the kits have been successfully trialled to reduce emissions. The US is said to have 11,000,000 diesels needing emission reduction.

Motoring and transport costs are being hit with spiralling fuel prices. Fuel costs can be lowered by 50% or more. Emissions are sharply reduced providing a community benefit.

The Development Team includes the original inventors and long term backers of the project who are highly motivated to see their project to fruition, supported by professional engineers and scientists affiliated with some of Australia’s major research institutions.

Prize Winning System: the LPG-Liquid-Inject kit has won major prizes in international competition, a successful venture with the University of Texas at El Paso in the Propane Challenge held in USA.

Directors believe the 40.23% thermal efficiency (a measure of distance which can be travelled per litre of LPG), set by the kit in 2004, is a world record. They consider the LPG injection kit to be the best in the world.

Cost to Install: Around $2,500 fitted, GST paid, as mono LPG, it is price competitive with, or cheaper than LPG gas injection kits to install. See “Features and Benefits”. In the $2,000 to $2,500 price range commensurate profits to the Company are expected.

LPG is a widely used automotive fuel in Australia, in the European Union (EU), with rapid growth in the UK and useful volume in USA. Asia is moving to greater use of LPG in a bid to reduce emissions. (See “The Market” in the IM and more detailed market intelligence herewith.)

The market is divided between conversions to LPG of existing vehicles and specific LPG fuelled models produced and sold by major manufacturers (OEMs), such as Ford.

Invented in 1989 in Adelaide, the LPG-Liquid-Inject kits have been in a process of development and road testing since that time. They are patented (see the IM.) Directors are advised that over 3,000,000 kilometres of road testing have been completed without any untoward incident.
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Re: LPG Injection

Post by Bangbug »

Talk about mums the word on this!

Ford Australia will be doing liquid injection.
http://www.ford.com.au/cars/falcon/ecolpi

Now does this mean we can buy their injectors NOW?
That's it, I'm getting a turbo and rocking LPG on the FE - DOHC!!!!!!!!
HELLO 300 HP :)

Holden was complaining that it'll be crap etc etc... as they do... and that theirs is better.
But no reason WHY, lol.

Liquid injection may also offer better protection for the valve seats.
It'll inject onto the back of the valves like petrol keeping them cooler which will help a bit in any regard. (microwelding)
If there's still some lpg on the valves when they close it'll also help lubricate them I suppose.

But I haven't seen anything relating to that.
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