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gas backfiring? 

 

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 Post subject: Re: gas backfiring?
Posted: Sun Mar 07, 2010 10:53 pm 
Getting Side Ways
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Ride: EA Fairmont Ghia, AU2 Forte

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i6_demon wrote:
WILDEB wrote:
i hope your not using the accelerator pedal whilst starting


HAHAHA!! I learned this the hard way too with an old 88 EA Ghia I had on gas - Was jump starting it one morning at like 6am after going out all night - Im tired as s**t - just wanna get home and FARRKIN BANG!!! Airbox went bout 5metres in the air and I damn near had a heart attack :shock: :oops:

hope ya get it all sorted mate . . .


yeh i did it too when i first bought my car. My carby XF never used to do it. my airbox ended up the back of the engine bay though

 

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AU2 Forte daily driver:Congo Green, lowered on Pedders SLs, Tint. SOON: Stereo, TE50 wheels, AU1 XR kit. EA SVO: AU motor, Wade cam, vernier gear, Atomik head studs, ported head, Snort manifold, 38mm external gate, T70, 60LB injectors, BTR auto built by ATS, TCE 2800rpm high stall

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 Post subject: Re: gas backfiring?
Posted: Sun Mar 07, 2010 10:56 pm 
Tyre Shredder
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LP_ wrote:
nalane wrote:
The installers lic no. would tell you who did it.


Yes I know but it will be easier to find a specialist down there to help with it as the install is now over 1 year old.


Must keep records for 7 years. FFS ring him and buy a box of tissues.
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 Post subject: Re: gas backfiring?
Posted: Mon Mar 08, 2010 5:41 pm 
Oompa Loompa
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Ride: 1995 ef falcon

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thanks guys have booked it in o be looked at next week

 

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 Post subject: Re: gas backfiring?
Posted: Thu Nov 24, 2011 7:08 am 
Oompa Loompa
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Have been given a mates EF Fairmont 6 wagon to do a couple of jobs on which does exactly the same thing...blows the wide airhose off the back of the converter...just noticed that there is a decal on dash warning not to open throttle when starting....so although it makes it slightly more difficult to start cold with throttle closed, I will try it see if it eliminates the bangs..be better than possibly replacing leads and plugs unnecessarily or richening the mixture.

BTW what is the beep -beep-beep.......beep beep beep ....buzzer warning comes from inside the dash often when you start out, even though Ive checked all the usual sources of such warnings, seatbelt, handbrake, doors shut...it goes on for up to 5 mins then usually suddenly stops after a while...it does my head in, but Id like to avoid the job of opening the dash and knocking it out.
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 Post subject: Re: gas backfiring?
Posted: Thu Nov 24, 2011 7:23 am 
Getting Side Ways
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ELwagonTaxi wrote:
Have been given a mates EF Fairmont 6 wagon to do a couple of jobs on which does exactly the same thing...blows the wide airhose off the back of the converter...just noticed that there is a decal on dash warning not to open throttle when starting....so although it makes it slightly more difficult to start cold with throttle closed, I will try it see if it eliminates the bangs..be better than possibly replacing leads and plugs unnecessarily or richening the mixture.

BTW what is the beep -beep-beep.......beep beep beep ....buzzer warning comes from inside the dash often when you start out, even though Ive checked all the usual sources of such warnings, seatbelt, handbrake, doors shut...it goes on for up to 5 mins then usually suddenly stops after a while...it does my head in, but Id like to avoid the job of opening the dash and knocking it out.


is the petrol level low?

 

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AU2 Forte daily driver:Congo Green, lowered on Pedders SLs, Tint. SOON: Stereo, TE50 wheels, AU1 XR kit. EA SVO: AU motor, Wade cam, vernier gear, Atomik head studs, ported head, Snort manifold, 38mm external gate, T70, 60LB injectors, BTR auto built by ATS, TCE 2800rpm high stall

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 Post subject: Re: gas backfiring?
Posted: Thu Nov 24, 2011 7:54 am 
Oompa Loompa
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no...bout halffull.

although...when you switch to LPG the petrol guage reading drops low as converted cars guages often do.

is it a low petrol warning?
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 Post subject: Re: gas backfiring?
Posted: Thu Nov 24, 2011 7:58 am 
Oompa Loompa
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i'll switch back to petrol and if guage reading goes back up and beep beeps disappears, I guess thats the explanation.
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 Post subject: Re: gas backfiring?
Posted: Thu Nov 24, 2011 5:34 pm 
Getting Side Ways
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yep. whoever did the conversion did a bad job then

 

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AU2 Forte daily driver:Congo Green, lowered on Pedders SLs, Tint. SOON: Stereo, TE50 wheels, AU1 XR kit. EA SVO: AU motor, Wade cam, vernier gear, Atomik head studs, ported head, Snort manifold, 38mm external gate, T70, 60LB injectors, BTR auto built by ATS, TCE 2800rpm high stall

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 Post subject: Re: gas backfiring?
Posted: Thu Nov 24, 2011 8:25 pm 
Oompa Loompa
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it had stopped the backfire when starting cold by me leaving the pedal alone, but I noticed today when starting warm, still not depressing pedal , it happened a couple of times even though it was weaker less loud and violent and not enough to force the hose off...

i will check its ign timing...
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 Post subject: Re: gas backfiring?
Posted: Fri Nov 25, 2011 7:43 am 
Getting Side Ways
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Ride: EA Fairmont Ghia, AU2 Forte

Location: Bendigo
VIC, Australia

have you checked the ignition system. Proper gas plugs and leads. new dizzy cap and rotor button

 

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AU2 Forte daily driver:Congo Green, lowered on Pedders SLs, Tint. SOON: Stereo, TE50 wheels, AU1 XR kit. EA SVO: AU motor, Wade cam, vernier gear, Atomik head studs, ported head, Snort manifold, 38mm external gate, T70, 60LB injectors, BTR auto built by ATS, TCE 2800rpm high stall

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 Post subject: Re: gas backfiring?
Posted: Fri Feb 17, 2012 6:51 am 
Oompa Loompa
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Ride: Ford falcon ba mk II

Location: Tyabb
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check your whole ignition line work from the battery forward, i had to do it for my old ed fairmont ended up being a lose negative battery stem, although why my pop had decided a helicopter battery would work better than a car battery i cant understand. But like i said i wouldnt be surprised if you find some sort of fault in the ignition line

 

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Shift kit, tartarini vapour gas injection system, PWR transcooler, powerstat , csa edge rims, westlake tyres, bosch platinum iridium lpg plugs
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