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Why is mum's ford stronger than mine? (AU Vs. EL) 

 

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Posted: Wed Apr 23, 2008 6:58 pm 
Stock as a Rock
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Location: Melbourne
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the only reason i dont run it is due to install costs, if you geek it up and do the maths, unless you do a lot of k's and own the car a while its not worth it... if you buy a car with gas though definately worth using it :D
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Posted: Wed Apr 23, 2008 8:33 pm 
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^ That's not how it works. Octane rating has nothing to do with the calorific content (energy) of fuel.

Octane rating is it's protection/resistance against detonation (pinging).

LPG has a higher octane than petrol (~110-114 IIRC), but has less energy than petrol. However, you can make use of that ping resistance by advancing ignition, and raising compression ratio (or more boost) to make better use of it.

 

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1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

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Posted: Wed Apr 23, 2008 8:33 pm 
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^ That's not how it works. Octane rating has nothing to do with the calorific content (energy) of fuel.

Octane rating is it's protection/resistance against detonation (pinging).

LPG has a higher octane than petrol (~110-114 IIRC), but has less energy than petrol. However, you can make use of that ping resistance by advancing ignition, and raising compression ratio (or more boost) to make better use of it.

 

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1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

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Posted: Wed Apr 23, 2008 9:10 pm 
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..........

 

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Posted: Wed Apr 23, 2008 9:17 pm 
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Site's been acting funny last few days.

 

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1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

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Posted: Wed Apr 23, 2008 10:42 pm 
Getting Side Ways
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Power: 199 rwkw

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Sam_man wrote:
AU99 wrote:
Mine will spin off the line on LPG but wont on petrol.... go figure that one out.
Yep mines factory Duel Fuel


i know as a fact that:


* Factory fitted �Tickford� LPG conversion:
* Including no loss in power.



* Dealer fitted �Parnell� LPG conversion:
* Some have commented it handles �dirty� gas better than the Tickford unit.
* Only a small power loss.


http://www.trueblueford.com/Specs_Pages.htm

Also i have heard of some cars running better and stronger on LPG... but no i haven't figured out why thats the case.


my dads old EL had tickford enhanced dual fuel system, and he had to switch it to petrol everytime he wanted to tow somthing. didn't have the power to do it

 

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EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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Posted: Thu Apr 24, 2008 1:16 am 
Getting Side Ways
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On my AU which is factory Duel fuel it has the added benifit of having the ECU change maps dependant on which fuel I use. I have more torque down low on LPG and gets off the line real quick but seems to lose it above 4000rpm. On petrol it seems to get more power from 3000rpm and up to redline.

Spins off the line on LPG, doesnt on petrol...

With the $2000 grant cheaper to put on LPG now more than ever. I bought my car already on gas as it was a taxi right from new.

$1700 and it goes pretty good, have spent about $1000 dollars on it over the year I have had it but havent as yet changed any main mechanical parts yet.

She has a few kays on here but I like it when people go WTF.........

 

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Posted: Thu Apr 24, 2008 1:17 am 
Getting Side Ways
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dam triple post

 

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2003 BA Falcon Egas Taxi Pack - XR Replica
Tpak MKII Build Thread

1984 ZL Fairlane
The Project

Last edited by AU99 on Thu Apr 24, 2008 1:18 am, edited 1 time in total.

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Posted: Thu Apr 24, 2008 1:17 am 
Getting Side Ways
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Location: Craigmore
SA, Australia

and another

 

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2003 BA Falcon Egas Taxi Pack - XR Replica
Tpak MKII Build Thread

1984 ZL Fairlane
The Project

Last edited by AU99 on Thu Apr 24, 2008 1:20 am, edited 1 time in total.

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Posted: Thu Apr 24, 2008 1:17 am 
Getting Side Ways
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Age: 53

Posts: 1072

Joined: 6th Jul 2006

Gallery: 13 images

Ride: BA Falcon

Power: 106 rwkw

Location: Craigmore
SA, Australia

On my AU which is factory Duel fuel it has the added benifit of having the ECU change maps dependant on which fuel I use. I have more torque down low on LPG and gets off the line real quick but seems to lose it above 4000rpm. On petrol it seems to get more power from 3000rpm and up to redline.

Spins off the line on LPG, doesnt on petrol...

With the $2000 grant cheaper to put on LPG now more than ever. I bought my car already on gas as it was a taxi right from new.

$1700 and it goes pretty good, have spent about $1000 dollars on it over the year I have had it but havent as yet changed any main mechanical parts yet.

She has a few kays on here but I like it when people go WTF.........

 

_________________

2003 BA Falcon Egas Taxi Pack - XR Replica
Tpak MKII Build Thread

1984 ZL Fairlane
The Project

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Posted: Thu Apr 24, 2008 4:05 pm 
Oompa Loompa
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WA, Australia

data_mine wrote:
However, you can make use of that ping resistance by advancing ignition, and raising compression ratio (or more boost) to make better use of it.


so how can i do that and how much would it cost? :P
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Posted: Thu Apr 24, 2008 8:59 pm 
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None of that is cheap.

 

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1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

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Posted: Tue Apr 29, 2008 7:48 pm 
Fordmods Junkie
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just to give you and idea of restriction on duel fuel .
this mixer is on a EF XR8
Image

 

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For Sale : EL Fairmont 4L 5spd offers, AU Fairlane Ghia 4L vct Stock no mods $3.5k ono
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Posted: Tue Apr 29, 2008 9:01 pm 
Oompa Loompa
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Ride: 1999 Falcon AU

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WA, Australia

MRE-50L wrote:
just to give you and idea of restriction on duel fuel .
this mixer is on a EF XR8
Image
why is this restrictor used?

can it be removed?

how big would that be if it wasnt dual fuel?
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Posted: Tue Apr 29, 2008 9:07 pm 
Fordmods Junkie
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Ride: MYSTERY EL's & Maverick LWB

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its not really a restrictor ,, its the gas mixer - was just showing you the internal size of it thats all , as some guys may not have seen 1 !

 

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For Sale : EL Fairmont 4L 5spd offers, AU Fairlane Ghia 4L vct Stock no mods $3.5k ono
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