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LIQUID GAS INJECTION Pit Lane Automotive and Performance is an accredited LPG installer and has suitably experienced and licensed LPG Installer's employed to ensure that your vehicle is in the best hands when making the switch to Liquid Gas Injection. We can also provide quality Vapour Injection systems to suit your needs. If you are considering a Liquid Gas or Vapour Sequential Injection system on your vehicle, please contact Mick or Belinda by completing the CONTACT US form, or alternatively, please feel free to call us on 03 9783 8122 to discuss your requirements. Below are some of the many benefits of switching to Liquid Gas Injection. 1. Power—The Liquid Injection System from Australian LPG Warehouse shows an increase of up to 10 rwkw or more, over that obtainable from the same engine using petrol as a fuel. The balance in favour of LPG can be increased by increasing the compression ratio (say 13:1 maximum), or adding boost pressure (turbocharger / supercharger) to optimise the higher octane rating of LPG. Vapour systems are normally 15% or more down on power versus petrol. 2. Torque—Figures are some 10% above the equivalent using petrol, particularly in the important low revolutions range, largely due to the volumetric effect of the chemical change from liquid to gaseous (ratio 1: 270) LPG as the liquid is squirted into the inlet manifold, just behind the inlet valve. This very important physical principle is not applicable to the vapour systems. This expansion acts as an intercooler for turbo systems, which are now becoming common on production cars, and sometimes even superchargers. Gas systems displace a large volume of incoming air and rarely mix well. 3. Fuel Economy—Liquid Injection is far superior to vapour or gas vapour injection systems. The liquid injection kit is from 5% to 15% better than any other form of LPG system used. Distance travelled on LPG per litre of fuel, can get close to equalling petrol systems. The multi-point injection system, injecting liquid LPG gives excellent fuel distribution. Again, the volumetric effect assists. The problem of moving the vapour mass (gas systems) is almost eliminated by liquid injection, as in multi-point petrol injection. 4. Variations in LPG composition—These do not worry Liquid Gas Injection as the LPG tank has its own fuel pump and the fuel rail has its own pressure regulator to keep LPG fuel pressure to the required level. The injector pulse does not need to be altered to give the required fuel supply. Vapour systems cannot do this and suffer the consequences of variation. 5. Driveability of the Liquid Injection system is an excellent feature. Damaging backfires as on some vapour systems are eliminated. The risk of engine damage caused by premature explosion as in blowing off the engine air box is eliminated. Multi-point, liquid LPG injection sharply reduces accelerator lag. Where adjustable, ignition timing can be adjusted to give greater performance with Liquid Injection. 6. Competitive Pricing—Liquid Injection kits are capable of being produced at price levels that are very competitive with the best of the vapour gas injection systems. 7. Cost effective Infrastructure—to retail LPG is cheaper and easier to install than for instance compressed natural gas (CNG). Tanks are lighter and less bulky for the same range. The cost of compressing natural gas is high. Irritating impurities are often present in natural gas and are hard to counter. LPG is the most convenient, economic and cleanest (lowest emissions) fuel. 8. Cheaper install cost at present-the government is still reimbursing to the public some of the cost associated with the conversion to LPG. 9. No freeze ups, easy, clean starting—The LPG is kept in the liquid state and injected in the multi-point petrol fashion. There is no vapouriser to freeze the moisture present and block the system. The benefits of the freezing effect in the phase change are utilised to achieve a more dense air charge and hence, greater efficiency as mentioned above. 10. Sticky Injectors—A similar type of injector is used to inject the liquid LPG as you may find in a petrol situation, but are built specifically to handle the usage of LPG, Once calibrated correctly, the injector receives the same pulse as the petrol injector, only being varied by the normal operation control of the vehicles ECU to give the correct fuel delivery as programmed from the factory. Although not required, the injectors can be cleaned by normal injector cleaning methods. 11 Durability—Vapour systems tend to gum up the convertor from the heavier, gooey elements of the LPG left behind. Replacement of the convertor is the usual result and is expensive. Liquid Injection does not have this problem, as the liquid is squirted through the injectors and they stay clean. Contaminants, which reduce efficiency in gas injectors, simply wash through Liquid Injection injectors and are consumed in the combustion process. 12. Compatability—Catalytic convertors and Liquid Gas Injection are compatible as in multi-point petrol injection, for the same level of fuel control is possible. Only the type of fuel injected is changed. Hence there is no more variation in fuel mixture than with modern petrol systems and catalyst life is not threatened. ABOUT US \| SPECIALS \| PERFORMANCE \| SERVICING \| MAL WOOD PRODUCTS \| LIQUID GAS \| PITLANE CARS \| CONTACT US Copyright © 2009 http://www.pitlaneautomotive.com. All rights reserved. No reuse of information allowed without permission. ABN: 80 421 907 519 Email webmaster Privacy Policy

LIQUID GAS INJECTION

Pit Lane Automotive and Performance is an accredited LPG installer and has suitably experienced and licensed LPG Installer's employed to ensure that your vehicle is in the best hands when making the switch to Liquid Gas Injection. We can also provide quality Vapour Injection systems to suit your needs. If you are considering a Liquid Gas or Vapour Sequential Injection system on your vehicle, please contact Mick or Belinda by completing the CONTACT US form, or alternatively, please feel free to call us on 03 9783 8122 to discuss your requirements.

Below are some of the many benefits of switching to Liquid Gas Injection.

1. Power—The Liquid Injection System from Australian LPG Warehouse shows an increase of up to 10 rwkw or more, over that obtainable from the same engine using petrol as a fuel. The balance in favour of LPG can be increased by increasing the compression ratio (say 13:1 maximum), or adding boost pressure (turbocharger / supercharger) to optimise the higher octane rating of LPG. Vapour systems are normally 15% or more down on power versus petrol.

2. Torque—Figures are some 10% above the equivalent using petrol, particularly in the important low revolutions range, largely due to the volumetric effect of the chemical change from liquid to gaseous (ratio 1: 270) LPG as the liquid is squirted into the inlet manifold, just behind the inlet valve. This very important physical principle is not applicable to the vapour systems. This expansion acts as an intercooler for turbo systems, which are now becoming common on production cars, and sometimes even superchargers. Gas systems displace a large volume of incoming air and rarely mix well.

3. Fuel Economy—Liquid Injection is far superior to vapour or gas vapour injection systems. The liquid injection kit is from 5% to 15% better than any other form of LPG system used. Distance travelled on LPG per litre of fuel, can get close to equalling petrol systems. The multi-point injection system, injecting liquid LPG gives excellent fuel distribution. Again, the volumetric effect assists. The problem of moving the vapour mass (gas systems) is almost eliminated by liquid injection, as in multi-point petrol injection.

4. Variations in LPG composition—These do not worry Liquid Gas Injection as the LPG tank has its own fuel pump and the fuel rail has its own pressure regulator to keep LPG fuel pressure to the required level. The injector pulse does not need to be altered to give the required fuel supply. Vapour systems cannot do this and suffer the consequences of variation.

5. Driveability of the Liquid Injection system is an excellent feature. Damaging backfires as on some vapour systems are eliminated. The risk of engine damage caused by premature explosion as in blowing off the engine air box is eliminated. Multi-point, liquid LPG injection sharply reduces accelerator lag. Where adjustable, ignition timing can be adjusted to give greater performance with Liquid Injection.

6. Competitive Pricing—Liquid Injection kits are capable of being produced at price levels that are very competitive with the best of the vapour gas injection systems.

7. Cost effective Infrastructure—to retail LPG is cheaper and easier to install than for instance compressed natural gas (CNG). Tanks are lighter and less bulky for the same range. The cost of compressing natural gas is high. Irritating impurities are often present in natural gas and are hard to counter. LPG is the most convenient, economic and cleanest (lowest emissions) fuel.

8. Cheaper install cost at present-the government is still reimbursing to the public some of the cost associated with the conversion to LPG.

9. No freeze ups, easy, clean starting—The LPG is kept in the liquid state and injected in the multi-point petrol fashion. There is no vapouriser to freeze the moisture present and block the system. The benefits of the freezing effect in the phase change are utilised to achieve a more dense air charge and hence, greater efficiency as mentioned above.

10. Sticky Injectors—A similar type of injector is used to inject the liquid LPG as you may find in a petrol situation, but are built specifically to handle the usage of LPG, Once calibrated correctly, the injector receives the same pulse as the petrol injector, only being varied by the normal operation control of the vehicles ECU to give the correct fuel delivery as programmed from the factory. Although not required, the injectors can be cleaned by normal injector cleaning methods.

11 Durability—Vapour systems tend to gum up the convertor from the heavier, gooey elements of the LPG left behind. Replacement of the convertor is the usual result and is expensive. Liquid Injection does not have this problem, as the liquid is squirted through the injectors and they stay clean. Contaminants, which reduce efficiency in gas injectors, simply wash through Liquid Injection injectors and are consumed in the combustion process.

12. Compatability—Catalytic convertors and Liquid Gas Injection are compatible as in multi-point petrol injection, for the same level of fuel control is possible. Only the type of fuel injected is changed. Hence there is no more variation in fuel mixture than with modern petrol systems and catalyst life is not threatened.