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20th August 2013, 01:20 AM
#21
Advanced
Food for thought, I have a 98 GU TI duel fuel and I wanted to fit a duel battery so I chucked out all the factory air box and shit and made a s/s 3" snorkle with a scoop across the top of the windscreen that has a narrow panel filter in it (the same as the ones used on V8 holden OTR intakes) and now I get a lot better fuel ecconomy on petrol but on gas it stalls every time I back off the throttle to coast up to a corner. I put a vac/pressure diagnosic gauge on the intake duct next to the gas mixer and at 30km/hr with my foot off the go pedal it was showing +0.12 bar and I think that pressure is upsetting the LPG flow.
If it does'nt go hard, Stroke It.
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20th August 2013 01:20 AM
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20th August 2013, 10:06 AM
#22
Expert
Originally Posted by
tricksgonefishing
on gas it stalls every time I back off the throttle to coast up to a corner.
I had the same problem. Slowing to a corner engine leans out and stalls. Fixed it by turning the snorkel inlet to face backwards. Not so easy for you.
25+ city/highway, 90 litres useable lpg (115l tank). 2" lift, standard AT tyres, alloy rack, no drawers or other heavy objects (water etc). I've seen 3 different (and recommended) lpg specialists, valves done regularly, new condensor, plugs, leads etc. Always the same economy for the last 3 years.
Last edited by twisty; 20th August 2013 at 10:19 AM.
GU1 Auto ST4500 lpg/petrol.
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22nd August 2013, 11:31 AM
#23
getting the car tuned tomorrow so I am hoping for some magic
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22nd August 2013, 08:02 PM
#24
Expert
Originally Posted by
fmacdonald
getting the car tuned tomorrow so I am hoping for some magic
Hogwarts lpg specialist?
good luck. curious to know what you get done.
GU1 Auto ST4500 lpg/petrol.
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22nd August 2013, 08:31 PM
#25
Originally Posted by
tricksgonefishing
Food for thought, I have a 98 GU TI duel fuel and I wanted to fit a duel battery so I chucked out all the factory air box and shit and made a s/s 3" snorkle with a scoop across the top of the windscreen that has a narrow panel filter in it (the same as the ones used on V8 holden OTR intakes) and now I get a lot better fuel ecconomy on petrol but on gas it stalls every time I back off the throttle to coast up to a corner. I put a vac/pressure diagnosic gauge on the intake duct next to the gas mixer and at 30km/hr with my foot off the go pedal it was showing +0.12 bar and I think that pressure is upsetting the LPG flow.
Depending on the setup you can connect a balance pipe back to the converter top stop this happening.
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27th August 2013, 01:44 PM
#26
The 4x4 place I went to checked the valves, filter, leads, plugs and advanced the timing. They suggested the plug I am using are not ideal but did not expect there to be any impact. Not expecting any change but will know after the next fuel fill up. If no luck I will go to "The Gas Man" in Seven Hills, NSW. Anyone used them?
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10th September 2013, 02:36 PM
#27
Now running at 30l/100km ... have pointed the snorkel backwards ... expecting no difference but what harm can it do
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10th September 2013, 03:52 PM
#28
Patrol Freak
Originally Posted by
fmacdonald
Now running at 30l/100km ... have pointed the snorkel backwards ... expecting no difference but what harm can it do
Should be able to get it lower then that. I drove mine from brisbane to melb and back and got in down to 17L/100km. Reset everything (disconnect battery) and then take it for a long drive. Obviously not a 4000km drive but something to get it to relearn properly.
1999 GU DUAL FUEL 4.5 - 2" OME - 33's KM2s - SNORKEL - CUSTOM DINTS.... Goes by the name Candy (the car not me
)
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10th September 2013, 05:06 PM
#29
Patrol God
How did you figure out the 32/100 k part, that's like 300k a 90 ltr tank on ULP
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
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10th September 2013, 05:47 PM
#30
Quote "Should be able to get it lower then that. I drove mine from brisbane to melb and back and got in down to 17L/100km. Reset everything (disconnect battery) and then take it for a long drive. Obviously not a 4000km drive but something to get it to relearn properly."
I will give this a go this weekend
Originally Posted by
threedogs
How did you figure out the 32/100 k part, that's like 300k a 90 ltr tank on ULP
I typically fill up at 250kms however I just fill up each time and work out the L by the km driven, eg last week I filled up and got 74.8l with 249km travelled.
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