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 Post subject: gas injection
Posted: Wed May 31, 2006 11:49 pm 
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was wondering if anyone has a gas injection system on there vehicle,as i understand with injection you get about the same economy as with petrol but more performance due to higher octane levels,there is no chance of backfire with these systems either,the only drawback is on full throttle the systems can't handle high rpm so the gas computer will immediately switch to petrol once its reached it limitations,this is the advive i got from a few lpg installers today,the good thing is there is no restriction on air flow.i've been quoted around the $4000-$4500 mark,any comments

 

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Posted: Thu Jun 01, 2006 9:01 am 
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more power than petrol !!

as for it switchign to the gas computer BULL as the replacement injectors plug into teh standard wiring loom and it is all run off the factory computer

 

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Posted: Thu Jun 01, 2006 5:35 pm 
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My standard gas system gets the same economy as petrol when towing. Both get 300 kays to a tank!!!!

 

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Posted: Thu Jun 01, 2006 6:27 pm 
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My Brother-in-law has just got LPG vapour injection on his BA ute and is very dissapointed in it. Loss of power and still significantly thristy.

 

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Posted: Fri Jun 09, 2006 9:28 pm 
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we got the vapour injection on our ba. For the first 20,000ks car was perfect good economy, now car shakes turns off when ur driving, economy is s**t, out of 50lt tank we lucky to get 230ks out of it
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Posted: Fri Jun 09, 2006 9:49 pm 
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AU-MUSTD wrote:
My standard gas system gets the same economy as petrol when towing. Both get 300 kays to a tank!!!!


i think ur losing economy with ur petrol there....i think a full tank of petrol should get u at least 400 or so while towing?

phong =P~

 

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Posted: Mon Jun 12, 2006 1:03 am 
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Basic chemistry, LPG has a lower calorific (*#ck knows how you spell that) value than petrol, so you have to use more gas that petrol to get the same energy out of it, so any place that claims their kits get the same economy as petrol are yanking on your old fella.

 

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Posted: Mon Jun 12, 2006 1:08 am 
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i drove a territory with vapour injection and i wasnt very impressed to be honest... The liquid injection is meant to be good though
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Posted: Mon Jun 12, 2006 12:05 pm 
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meh. dual fuel is good nough lol
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Posted: Mon Jun 12, 2006 4:12 pm 
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phongus wrote:
AU-MUSTD wrote:
My standard gas system gets the same economy as petrol when towing. Both get 300 kays to a tank!!!!


i think ur losing economy with ur petrol there....i think a full tank of petrol should get u at least 400 or so while towing?

phong =P~



1500+kg tandem trailer isnt what i'd call economical. Without it l can get 650 to a tank of petrol with mixed driving so cars tuned well. Dont know what i'll get on gas without towing as itll never happen with a full tank where i dont tow.

 

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Posted: Mon Jun 12, 2006 4:14 pm 
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AXR88U wrote:
Basic chemistry, LPG has a lower calorific (*#ck knows how you spell that) value than petrol, so you have to use more gas that petrol to get the same energy out of it, so any place that claims their kits get the same economy as petrol are yanking on your old fella.


Getting my economy the same on petrol and gas means i must be yanking my own old fella. :lol: Wifes 8 months pregnent so l guess it's true :D

 

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Posted: Mon Jun 12, 2006 5:32 pm 
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AU-MUSTD wrote:
AXR88U wrote:
Basic chemistry, LPG has a lower calorific (*#ck knows how you spell that) value than petrol, so you have to use more gas that petrol to get the same energy out of it, so any place that claims their kits get the same economy as petrol are yanking on your old fella.


Getting my economy the same on petrol and gas means i must be yanking my own old fella. :lol: Wifes 8 months pregnent so l guess it's true :D


lol, 8 months? damn.
parenthood - the end of your days having spare money to play with cars :p
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Posted: Tue Jun 13, 2006 9:38 am 
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AU-MUSTD wrote:
AXR88U wrote:
Basic chemistry, LPG has a lower calorific (*#ck knows how you spell that) value than petrol, so you have to use more gas that petrol to get the same energy out of it, so any place that claims their kits get the same economy as petrol are yanking on your old fella.


Getting my economy the same on petrol and gas means i must be yanking my own old fella. :lol: Wifes 8 months pregnent so l guess it's true :D


jeezz, 8 months pregnant, you would be yanking on it by this stage, with about another 10weeks till you get any action :lol:

If your getting the same economy on both, then it means your car is running crap on petrol, OR like most people (like myself), you tend to give it a bit more stick when on petrol because it goes better, bringing the economy down.

 

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Posted: Tue Jun 13, 2006 8:32 pm 
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Is 650klms bad economy on petrol??? Power wise l feel no difference in it at all. It has even felt more powerful on gas than petrol on these freezing cold mornings. Almost like it's got a small turbo hidden somewhere. This weeks tank gave me 325 kays with only city driving. As for the cranking 10 weeks would be a dream all you fathers out there know from here till after the birth will be at least 16 long lonely weeks. :cry:

 

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Posted: Tue Jun 13, 2006 10:48 pm 
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16 weeks, man, thats harsh.

650km is pretty good. The most I ever got out of mine on petrol was about 550k's (never run it bone dry though) and on gas just over 400k's.

With the gas it never seemed to make much difference if it were city or highway running either, like it did with the petrol.

 

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