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LPG performance 


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 Post subject: LPG performance
Posted: Sun Mar 19, 2006 3:36 pm 
Oompa Loompa

Age: 35

Posts: 45

Joined: 17th Mar 2005

Gallery: 3 images

Ride: EFII Manual

Location: Sydney
NSW, Australia

Hey guys and gals,

just wanting some advice from people who have had or have done an LPG conversion.. i currently have a EFII Manual and plan on keeping this car for a few years and want to know if you think it is worth converting to LPG.. i have heard so many mixed decisions i am hoping the people who have actually done it can give me there opinions..

also i wanted to find out how many kms outta a tank, how much it costs to fill up and how much power loss after converting...




Im here for a good time not a long one.

Posted: Sun Mar 19, 2006 4:12 pm 
Stock as a Rock

Age: 33

Posts: 121

Joined: 22nd Jan 2006

Ride: EF Fairmont Ghia

Location: Melbourne
VIC, Australia

km's out of a tank can vary, depending on how hard u put your foot down, if your doing short trips or long trips in car.

Costing of filling varies too, depends where u live, if ur further out in the city it will cost anywhere between 3-5cents roughly than city, its around 50cents a litre for me to fill up.

dunno how much power loss you actually loose depends on your gas setup but i heard u do loose a bit, i dont think i have lost a lot, i feel when i put my foot down from lights and go its a little slow but when it boots into the next gear it sure goes, but also depends how much fuel u have in car also.
Posted: Sun Mar 19, 2006 4:29 pm 
Technical Contributor
User avatar

Age: 39

Posts: 4093

Joined: 20th Mar 2005

Gallery: 2 images

Ride: 2.0 Turbo VW

Power: 142 rwkw

Location: Seaford State:
VIC, Australia

at this stage its prolly not even worth doing, Fuels kinda staying where it is.
I get 550k's per tank in my EF2 manual, I suspect if you were to install a tank and have all that extra weight Loss of boot and including reduction of airflow you might break out even, However if you plan on doing Long drives frequently it may be worth it.

Im sure you can get a setup for about 500bux and do it urself and have the 'licenced' ones plumb the service line, but if it costs over 1200, I wouldn't bother.... thats a lot of Petrol!



Carefree, we may not be number one, but we're up there.

Posted: Sun Mar 19, 2006 6:57 pm 
Getting Side Ways

Posts: 988

Joined: 4th Dec 2004

Ride: el faimont, dual fuel

Location: melbourne
VIC, Australia

for a good system, drive in drive out, $2500.
should get you around 550k's on the freeway, and 350-400 around town.
power loss depends on the system and tuner, but expect about 10rwkw on a well tuned system, on stock car.



why do u write in here.

Posted: Mon Mar 20, 2006 1:37 am 
Parts Gopher
User avatar

Age: 29

Posts: 86

Joined: 29th Apr 2005

Gallery: 8 images

Ride: E series falcon

Location: Adelaide
SA, Australia

Ive got gas on my EL, and with the 2.5" exhuast on, its pretty fine :)
Posted: Mon Mar 20, 2006 1:43 am 
Getting Side Ways
User avatar

Age: 34

Posts: 4307

Joined: 5th Nov 2004

Gallery: 9 images

Ride: EF Falcon XT-T

Location: Mornington Peninsula
VIC, Australia

my GRA EF could only manage a 15.9 on LPG
bottom ends not exactly healthy, but still fairly slow for the mods done.



FALCN6 - EF GLi Turbo, 20" Rims, Air Bag Suspension, Straight LPG, 225rwkw
DTHWGN - EA GL Wagon, LTD Interior, Satin Black, 5.0, Turbo
RACER - EF Futura , 5.0, 5 Speed
PROJECT - 83 Thunderbird, Lowered, 18" Billet Wheels
DAILY - BA Fairmont Ghia 5.4 3V

Posted: Mon Mar 20, 2006 12:16 pm 
Tyre Shredder

Age: 31

Posts: 331

Joined: 2nd Dec 2004

Location: Melbourne
VIC, Australia

My mums el is using 18-19 ltrs of gas, and thats straight city driving no freeway at all, and thats with a light right foot. On the freeway its using around 12ltrs. Its the factory tickford setup.
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