Quote: Originally Posted by misk lol man theres is heaps of difference! (vapor vs liquid) liquid injection promotes all that is good about gas when gas is already in vapor form it loses alot of its cooling properties as it doesn't atomize like a liquid during combustion. as gas is such a cold liquid when its injected, as said above, it cools the intake charge incredibly, which increases torque and power, right through the rev range and is a great benefit for FI! yeah i didn't mean imply i agreed with him but just saying his opinion so changing from vapour to liquid? is it hard to do? Some original photos have not been recovered yet.

its a bit strange that a gas fitter would say that though lol im pretty sure its a completely different system man, wouldnt be much thats be interchangeable, but ill leave that to blownba Some original photos have not been recovered yet.

Hey Blownba, would you consider a '72 Cutlass with a big block Olds an 'odd setup'? LOL! I'm definitely interested. A 468 CID 12.3:1 V8 engine with a single plane intake and a big hydraulic roller wouldn't be a problem, right?

Quote: Originally Posted by helmet Hey Blownba, would you consider a '72 Cutlass with a big block Olds an 'odd setup'? LOL! I'm definitely interested. A 468 CID 12.3:1 V8 engine with a single plane intake and a big hydraulic roller wouldn't be a problem, right? Yeah i can do it, BUT You would need to run a aftermarket sequential injection ECU like the Profire ECU. That means fitting various engine sensors for the ECU. You need a crank angle sensor, cam position sensor, coolant temp, intake temp, TPS sensor (if you run a EFI hardware throttle body, which you will need to in the place of a carby, it has a TPS and a idle speed motor incorperated) knock sensor..... to name a few. And then all that need to be wired up. And then there is a few choices with the ignition system. The Profire ECU will run any type of ignition you can imagine, the best of which, IMO, would be to run 8 Gen 3 coil on plug coil packs. So as you can imagine there is ALOT of wiring involved to get all that done, and that translates into Dollars. When you think a standard install of liquid injection on a EFI vehicle exceeds $4500 in its most basic configuration, then you factor in a ECU and wiring. You are gonna be up for heaps. But at the end you will have the absolute ultimate in performance LPG, bar none!!!

Not a problem for me. I'm spending heaps of money on my car as it is, and in the end I will have a 10 second streetable car all on motor. I also really like the idea of having an olds school motor run with modern tech. What do you think is the maximum amount of compression ratio you can run with liquid injection? I know of an American Chevelle running a 13.5:1 526 with vapour injection. Is it possible to go higher?

Quote: Originally Posted by misk its a bit strange that a gas fitter would say that though lol im pretty sure its a completely different system man, wouldnt be much thats be interchangeable, but ill leave that to blownba any thoughts blownba? Some original photos have not been recovered yet.

The vapour system and the liquid system are two totally different things. Liquid systems have an intank pump, and an ICM which does not change the parameters of the fuel map. Totally different setups. on another note is this system from italy and distributed through Aus LPG Warehouse?

yes it is. it is the Icom JTG system. I am one of their 'authorised' installer workshops. But they (Aus LPG warehouse) are the gods. Mick and Hilbert and Ben and the rest of the guys, know their stuff and do some really, really nice work.

i hope your not hittin the big time (liquid injection) too much to worry about the ol GRA setups? ill still be keen to come to you to get my system fixed up. Some original photos have not been recovered yet.

Quote: Originally Posted by blownba yes it is. it is the Icom JTG system. I am one of their 'authorised' installer workshops. But they (Aus LPG warehouse) are the gods. Mick and Hilbert and Ben and the rest of the guys, know their stuff and do some really, really nice work. Ben and Hilbert are very nice blokes, we did a presentation to Chisolm Tafe with them the other night. They really do know what theyre talking about. They have a job going there atm too. And if you're wondering what i do blownba, check out www.ecoshot.com.au (http://www.ecoshot.com.au)

whats the most power anyone has made with gas injection? Is 500-600rwkw possible?

Blownba What if you have a microtech running the show, can you still use that ECU or no? My brother spoke to injection perfection in sydney and Mark said that he could get the microtech 2 have the same signal as the LPG signal is. All he had 2 do is send it 2 microtech so they can do it. How true is this?

I don't know about microtek. But I know wolf has a LPG option but its algorithims are all screwed up and its near impossible to get it right. Thats the beauty of Profire it is designed for LPG sequential injection. But you need to remember that any petrol ECU will run Liquid injection as it cannot decern the difference between the two fuels. When fitted to these cars I have shown the petrol ECU is driving the LPG injectors directly. The only way to tune them is to flash tthe factory ECU or piggy back them. Quote: Originally Posted by Epitaph Ben and Hilbert are very nice blokes, we did a presentation to Chisolm Tafe with them the other night. They really do know what theyre talking about. They have a job going there atm too. And if you're wondering what i do blownba, check out www.ecoshot.com.au (http://www.ecoshot.com.au) I have sent PM to you in the past about your system. Yep they are great guys allright. They have gone out of their way, even though they are so busy, to do specific changes to Territory that I suggested. I did not expect them to remember what I said but they did and they did it in the matter of days, when I was expecting months. Hats off to them, and not to mention the Moribito brothers from APS, especially Mick. they are all total gentleman and I feel very priveledged to be chosen to fit their product, when there are other bigger places around falling over themselves to fit this stuff. I am getting really excited about this system too as the possibilities are endless. And we have alot of tricky stuff we are going to do with it, in conjunction with the guys at LPG warehouse.

Yeh the Wolf is not up to sctach with the lpg side of things but apparently there doing work to it to get it right. As said before fitting this system to a non injected car example stroker windsor, would i have to use a sequential injection ECU or can i just use a microtech and run a batch fire system? Reason behind this as if i had 2 use a sequential injection ECU the cost would be very expensive to convert a older car to injection gas.

Blownba, any idea on the maximum static compression ratio you can run on a N/A motor with liquid LPG injection?

Profire ECU's are VERY reasonable in price, and they run sequential . Not hard for the sensors either. I built my own crankshaft position sensor. made my own chopper plate, well got it laser cut anyway, and then used a siemans 101 sensor, basically a ABS sensor and made a bracket for it all, and then got a EF cam position sensor and machined it down and fittedmy dissy gear to the bottom and put it in the original dizzy hole. And i'll run coil packs. Not too hard and not too expensive.

blownba; in saying "But you need to remember that any petrol ECU will run Liquid injection as it cannot decern the difference between the two fuels." why can't you use any aftermarket ecu?

you can. But I would recommend something that is sequential to allow the LPG to be injected directly intothe combustion chamber because the valve will be open. Batch fire will not have the valve open and the full benefits of liquid injection will not be felt.

hey mate you wouldnt happen to have a rough list of what sort of cars theese kits are getin made for and wich ones will be classed as odd convdersions would ya?

Blownba So it is definatly possible to have Liquid LPG setup on a non sequential ECU car like microtech???