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Old 29-06-08, 12:20   #1
blownba
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Lpg Liquid Injection

Its here people.
LPG LIQUID injection has been released to selected fitters.
The LPG is injected as a liquid into the manifold, this freezes the incomming air (effectivly chemical intercooling and supercharging) and will give performance gains on any engine, especially forced induction.
I saw it with my own eyes. XR6 T 18RWKW gain over petrol with no tune whatsoever. Once tunes are optimised the figure could be as high as an extra 25 to 30 RWKW!!!!
Here are some pics.
VE calais 6L


XR6T
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Old 29-06-08, 12:48   #2
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That is awsome! are these dedicated LPG systems now? or dual fuel?
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Old 29-06-08, 12:54   #3
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places where you can get it done? what price range would it be for a 2jz. pm if you like would like to get done very very soon
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Old 29-06-08, 12:55   #4
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Yes.. Before the rebate ends! haha
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Old 29-06-08, 13:10   #5
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rebate is endiing? you serious when!
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Old 29-06-08, 13:17   #6
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I got told this. But by reading the government sh!t it doesn't say anything about it ending .. Sorry.
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Old 29-06-08, 13:30   #7
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awesome, cant complain with that
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Old 29-06-08, 14:46   #8
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whats the go with that set-up..

does it run like duel fuel??? or is petrol running and lpg gettin put in there at same time??

does it use much more than puttin on just LPG??
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Old 29-06-08, 18:26   #9
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These two you see are duel fuel. The can be run straight. I will be coupling it with my Profire ECU's.
There is a LOOOONG wait with me ATM. You would be looking at at least 4 months. And for now I will only do the Kits they have on offer, and after 6 to 8 months I will look at doing odd cars with universal kits.
I need to play with my project first and get that smokin.

Quote:
Originally Posted by SRBMUU
places where you can get it done? what price range would it be for a 2jz. pm if you like would like to get done very very soon
Like I said earlier you will be up for a long wait I am sorry.
If you like PM me your details and I will see what I can do.
I am not here to drum up business. (I have more than I could ever handle, and am sick to death of working till 3am all the time)
I mearly posted this set up to let everyone know what is cutting edge in LPG at the moment.
Expect to pay around $500 more than vapor injection. And with odd set ups it will be more.

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rebate is endiing? you serious when!

Rebate IS NOT ENDING.
There has been an extra 19 million allocated to it this year. It is not going anywhere. Don't panic.

Last edited by blownba; 29-06-08 at 18:30. Reason: Automerged Doublepost
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Old 29-06-08, 20:53   #10
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my uncle made either 303 or 313 rwkw(cant remember but one of them) in his vx ss with this setup.. i was impressed by it..
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Old 29-06-08, 23:36   #11
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Ahhh the 5.7L
Yes it was o.k.
There is more in it too I believe.
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Old 29-06-08, 23:42   #12
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Sounds interesting, and with petrol prices on the rise it's something i'm sure a lot of people will be doing soon enough. I'd love to get the VL on this, no EPA's FTW

What sort of power are these sort of fuel systems rated to? I've heard of gas injection being able to supply enough fuel to see over 1000hp comfortably.

And last of all, the current kit's/setups you got, they fit up to the RB30et's? or would it be a "odd" setup thus costing more?
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Old 30-06-08, 08:30   #13
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Yep so far it will be classed as a odd set up.
The supplier is conv=centrating on new cars and after a while they will let us purchase universal 6 cyl kits that we have to configure ourselves.
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Old 30-06-08, 16:25   #14
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so how did they get around it freezing which i heard was the main problem with liquid inj,or is that a trade secret???
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Old 30-06-08, 16:42   #15
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can this be run as a dedicated gas set-up??

and what power could that support...
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Old 01-07-08, 01:08   #16
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yes can be run dedicated.
The sky is the limit, literally.
If the injectors max out ( highly unlikely as they are siemans DEKA injectors, the same as high flow petrol ones) you can run a second set if you run a Profire ECU to control engine. Then if the fuel flow maxes out (highly unlikely with the high flow Walbro pump that is currently being used)
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Old 01-07-08, 19:19   #17
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lpg gas

Now this is some awsome stuff

Can you tune your Profire ECU to meet emmisions so the universal kit can be engineered in whatever car it may be in???
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Old 02-07-08, 00:09   #18
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Yes.
and with liquid injectionit will FAR surpass Euro 3. All the kits that have been tested actually exceed Euro 4!!!!
The only problem with doing custom installs on vehicles newer than Jan 04 is that they need to be emission certified.
To get the test done in Melbourne will send you broke, whereas it is free in Sydney.
So all my suppliers will truck the cars up to Sydney to do the testing. And once that kit is certified, no other ones need to be done, as long as the tune remains the same and the kit is not modified at all.
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Old 02-07-08, 00:14   #19
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i asked my installer about the liquid injection he said there isnt much difference and he has it installed on his car :S

what would you do to change a vapour injection to liquid injection?
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Old 02-07-08, 00:31   #20
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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!
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Old 02-07-08, 00:50   #21
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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?
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Old 02-07-08, 01:14   #22
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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
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Old 02-07-08, 03:22   #23
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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?
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Old 02-07-08, 04:34   #24
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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!!!

Last edited by blownba; 02-07-08 at 13:45.
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Old 02-07-08, 04:49   #25
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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?
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