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From: Griff on 14 Sep 2009 06:42

"XR8 Sprintless" <xr8_sprint(a)hotmail.com> wrote in message
news:02bdf767$0$25303$c3e8da3(a)news.astraweb.com...
> Sister has an EL falcon running on gas which has twice in the last couple
> of months backfired blowing apart the air cleaner. Any ideas on what could
> be causing it and how to stop it happening. She cannot tell me what gas
> system it is. It happened the other day when she went to start the car.
> It's an aftermarket system.

Like the others have said, good quality leads are a must. Also most ef and
el models will backfire with any application on accelerator when starting
like Noddy said. The Impco systems I've worked on had stickers on the
windscreen warning of this. Tho main thing I would be checking is the base
ignition timing. Is a simple process to put ecu into the mode to set the
timing.

Griff

From: George W Frost on 14 Sep 2009 07:52

"XR8 Sprintless" <xr8_sprint(a)hotmail.com> wrote in message
news:02bdf767$0$25303$c3e8da3(a)news.astraweb.com...
> Sister has an EL falcon running on gas which has twice in the last couple
> of months backfired blowing apart the air cleaner. Any ideas on what could
> be causing it and how to stop it happening. She cannot tell me what gas
> system it is. It happened the other day when she went to start the car.
> It's an aftermarket system.

I had the same problem with the EF and after blowing apart three inlet
boxes, I was such a regular visitor to the Ford wrecker, that he started
giving me a discount on any parts,
I replaced the leads, injectors and whatever elese I was told to do to stop
the backfire.
I had no trouble during the warmer weather and after it had been driven for
a few kilometres, but first thing in the morning, it would always backfire
as soon as I went up the back street.
As Noddy said, make sure the throttle isn't used during starting, else it
will certainly backfire before you get out the driveway.
I was told that it had something to do with the valves having worn stems and
would need a good head job to rectify it, but I sold the EF and bought
another car.

Maybe if the car was left running for about five minutes before taking off
might solve the problem, maybe not.


From: OzOne on 14 Sep 2009 07:56
On Mon, 14 Sep 2009 19:07:56 +1000, XR8 Sprintless
<xr8_sprint(a)hotmail.com> wrote:

>Sister has an EL falcon running on gas which has twice in the last
>couple of months backfired blowing apart the air cleaner. Any ideas on
>what could be causing it and how to stop it happening. She cannot tell
>me what gas system it is. It happened the other day when she went to
>start the car. It's an aftermarket system.

Put a set of plugs in it!




OzOne of the three twins

I welcome you to Crackerbox Palace.
From: veritas on 14 Sep 2009 09:16
XR8 Sprintless wrote:
> Sister has an EL falcon running on gas which has twice in the last
> couple of months backfired blowing apart the air cleaner. Any ideas on
> what could be causing it and how to stop it happening. She cannot tell
> me what gas system it is. It happened the other day when she went to
> start the car. It's an aftermarket system.

Simple - keep ones foot off the throttle when starting and/or use light
throttle advancement at other times.
From: Neil Gerace on 14 Sep 2009 11:32
veritas wrote:

> Simple - keep ones foot off the throttle when starting and/or use light
> throttle advancement at other times.

Even more simple: remove the air cleaner :)

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