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Recent LPG Starvation Issue
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Administrator
Posted 16/9/2013 18:53 (#15726 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Location: An island off southern Tasmania.		When i was running a supercharger with my LPG kit I melted one of the precats...the metal ones I could not break...and still haven't been able to on the twin turbo.

The stock cats in my opinion cannot handle LPG for too long...but replacing them is a ton of money to do properly and not get check lights.

In the end I got extractors, supercharger and of course LPG.

Here is a video of what it runs like....about 6 seconds to 100km/h from standstill....the pedal was just floored...I have a LSD to control the wheelspin...


enjoy..

http://www.youtube.com/watch?v=dsttyo_dH6w
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dazeet
Posted 16/9/2013 22:08 (#15727 - in reply to #15726)
Subject: Re: Recent LPG Starvation Issue



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Location: NSW
Administrator - 16/9/2013 18:53

http://www.youtube.com/watch?v=dsttyo_dH6w


Very impressive, John!

Not sure why I was hearing some beeping noises in the video, though...?

I might get there one day...if I win the lottery!

But back to my car. I do notice that whenever I am idling, it seems like a LOT of white smoke do occasionally flow outwards and upwards slowly from the exhaust like a cloud...whenever I am idling in-gear...I can actually see the smoke from my driver's side rear view mirror, flowing evening above the top of the bootlid! Like the exhaust is smoking 50 cigarettes at once or something (not that I smoke, but for some reason that image came up in my head!). Not sure if that is normal behaviour for a car running on LPG...?

While I definitely prefer a "set and forget" kind of solution i.e. new metal-cored cats, I have a feeling the ACT dealer is only happy to pay for just enough to get the car running fine again. Therefore, new factory ceramic-cored cats perhaps. But you say they are still too expensive? What kind of $$$ are we talking about here?

Perhaps I can only just follow Terry's footsteps for now, and just get second hand replacements. Something like these perhaps?
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=271070888845&fromMakeTrack=true&ssPageName=VIP:watchlink:top:en
http://www.ebay.com.au/itm/GENUINE-MITSUBISHI-380-2006-COMPLETE-EXHAUST-INC-CATALYTIC-CONVERTER-/271070888898?pt=AU_Car_Parts_Accessories&hash=item3f1d1583c2

My concern is that if the ceramic-cored cats have already "shattered", the bits (at least according to Wikipedia) may actually be blocking the rest of the exhaust system. I am not sure how that can be "cleared" then! Perhaps save up for a full stainless steel dual(?) exhaust system with metal-cored cats, and then a retune...? How much would that cost?

Will be interesting to hear what John (the service advisor) says tomorrow...
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Administrator
Posted 16/9/2013 22:50 (#15728 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Location: An island off southern Tasmania.		I've got some lying around the garage floor...

The beeping noise is the Impco system switching to petrol cause it cant deliver enough LPG...

If you flatten your pedal you will hear it too.
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dazeet
Posted 17/9/2013 09:37 (#15729 - in reply to #15728)
Subject: Re: Recent LPG Starvation Issue



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Location: NSW		Good morning all.

John: haven't found the need to floor the pedal yet. But good to know that is how it works...

Just forwarded you the quote John (the service advisor) has provided so far. Let's just say that I have fallen off my chair...a couple of times!

I won't say too much here for the time being (John and Terry: appreciate your responses by email for now). But in any case, I will need to work out how to best word everything back to that ACT dealer. In fact, the evidence from the inspection and diagnosis suggest it may be more prudent for me to just ask for a full refund, and walk away from this particular car...
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Administrator
Posted 17/9/2013 17:06 (#15730 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Location: An island off southern Tasmania.		Yep...you need an exhaust manifold/cat assembly (for the front bank?)

You can get a second hand one for less than that....a tenth in fact.


In any event...any exhaust shop can do it in under an hour if it's the front bank....Terry knows it's a piece of cake too.

Not your problem...the dealer that sold you the car has to fix under warranty.

I would stick with the car mate, nothing drastically wrong with it in my opinion.

and don't sweat about the timing belt, it isn't worth what they have quoted you....or that urgent...they are just guessing...of course the writing will be faded, it spins around the water pump pulley...


I reckon 150 for a second hand cat and $50 to fit at an exhaust shop......tooo easy...a.s long as the second hand one is a good one.

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Telpat16
Posted 17/9/2013 18:34 (#15731 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Location: NEWPORT QLD		His problem is RH ie rear bank -
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Administrator
Posted 17/9/2013 19:49 (#15732 - in reply to #15731)
Subject: Re: Recent LPG Starvation Issue



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Posts: 1093
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Location: An island off southern Tasmania.
Telpat16 - 17/9/2013 18:34

His problem is RH ie rear bank -



oh well...allow another twenty minutes...LOL
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Telpat16
Posted 17/9/2013 22:01 (#15733 - in reply to #15732)
Subject: Re: Recent LPG Starvation Issue



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Posts: 108
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Location: NEWPORT QLD		 Have both cats replaced now and a did a new Century 620 CCA battery this arvo to get over the Crank Angle DTC that arrived yesterday after a hard start

Now to see if my lean idle DTC's disappear!

Looking forward to when I get down ur way for a face to face over a few beveridges

T
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dazeet
Posted 17/9/2013 22:02 (#15734 - in reply to #15727)
Subject: Re: Recent LPG Starvation Issue



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Location: NSW		Just emailed you John and Terry...
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Administrator
Posted 17/9/2013 23:41 (#15736 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Location: An island off southern Tasmania.		Jeffrey, here is a picture of a timing belt same as on your car.

The writing always wears off, just depends on the brand of belt as to how long the logo lasts.

50,000 k's in city driving is a lot more revolutions of the belt compared to 50000k's of country driving.

I would treat with suspiscion anyone who uses the writing as a gauge of belt age or condition.



(timing belt.JPG)



Attachments
----------------
Attachments timing belt.JPG (149KB - 549 downloads)
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