Omega Owners Forum - LPG fiddling

Holy Count Ex Member	LPG fiddling 25. Mar 2008 at 20:32 What is involved in "upgrading" a single point to a multi point system? Is it feasible? Is it worth it ??
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tunnie Over Active Poster Offline Posts: 22520 London, W3 Gender: Drives: 2.2 CD (LPG'd) & BMW R1200 GS	Re: LPG fiddling Reply #1 - 25. Mar 2008 at 21:05 apart from the tank, all new kit. There is a kit here people have used £450 off eBay, SGI, with injectors, ECU, ect...
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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: LPG fiddling Reply #2 - 25. Mar 2008 at 21:08 Depends how well the current kit works, really. Mixer systems aren't ideal on the V6. Does it run OK on gas? Any problems with backfires? Is the consumption OK? SGI is a no-brainer for a new install, but if you're already reaping the benefits of LPG it makes it more questionable if the expense would bring a worthwhile benefit. Kevin
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Holy Count

Ex Member

Re: LPG fiddling
Reply #3 - 25. Mar 2008 at 22:06

Haven't clocked up many miles --- complicated story -- son in law is rebuilding the beasty and it's sat on my drive waiting for me to decide to buy it or not Roll Eyes

Apart from very slight tapping runs well on petrol and gas -- haven't a clue on consumption.

Had a backfire a couple of days ago --- decided not to run on gas for a while then went back to normal and running OK again.

System is Romano and that's about all I know Undecided

Have heard some worrying tales of single point system backfires !

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Holy Count Ex Member	Re: LPG fiddling Reply #4 - 26. Mar 2008 at 15:05 Quote: Apart from very slight tapping runs well on petrol and gas -- haven't a clue on consumption. Had a backfire a couple of days ago --- decided not to run on gas for a while then went back to normal and running OK again. Strike that -- now decided not to idle on gas when warm
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tunnie

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Drives: 2.2 CD (LPG'd) & BMW R1200 GS

Re: LPG fiddling
Reply #5 - 26. Mar 2008 at 16:47

Quote:

Apart from very slight tapping runs well on petrol and gas -- haven't a clue on consumption.

Had a backfire a couple of days ago --- decided not to run on gas for a while then went back to normal and running OK again.

check the idle control soleniod is plugged in, that foxed me on my lpg elite for ages, simple tiny plug was missing!
Strike that -- now decided not to idle on gas when warm Angry

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« Last Edit: 26. Mar 2008 at 16:48 by tunnie »

Do you break V6's as often as TheBoy? Then you need tunnie's towing services, recovery costs are just the humiliation of being towed by 2/3's of an engine

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rickyboy Senior Member Offline Posts: 808 Glasgow Gender: Drives: Audi A4 V6 (starts first time every time, lol)	Re: LPG fiddling Reply #6 - 26. Mar 2008 at 16:53 Do you have the software and leads? If it is backfiring and not idling correctly it is most likely that it could do with a tune up. If you have the software it could be an easy fix.
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Holy Count Ex Member	Re: LPG fiddling Reply #7 - 26. Mar 2008 at 17:38 Many thanks for the advice and ideas so far... much appreciated. No software or leads available set up came with car, not even sure of what it is yet, apart from Romano single point. -- apparently there is a LPG God a little up the motorway -- might go for a consult -- get this one tweaked until I can afford to upgrade
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rickyboy

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Drives: Audi A4 V6 (starts first time every time, lol)

Re: LPG fiddling
Reply #8 - 26. Mar 2008 at 17:54

I think you should take it to the LPG man. He should be able to hook it up to a laptop and check the mixture and sort out the running. Give it a good few weeks of running to work out your mpg before deciding if an upgrade is absolutely necessary. Unfortunately you can't save a lot of equipment from a single point system so you will practically be buying a whole new multipoint installation.

The single point system works great on mine but it's a 2 litre. I don't think they work nearly as well with six cylinders, you may find you lose a lot of power. I would imagine you'll still save a good bit of money using the single point system though.

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Holy Count Ex Member	Re: LPG fiddling Reply #9 - 26. Mar 2008 at 18:36 Thanks Rickyboy -- I think that's the way I will go --- get it tweaked and run it for a while to see how it behaves. Thing is -- with the proposed tax hikes, this car will be the youngest I am going to get -- so I want to treat it well and keep it going -- saves a couple of hundred a year on tax as well as the savings on LPG !
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Martin Imber Over Active Poster Offline LPG Omega V6 - Keyfobs Rebuilt Posts: 20110 Worcester Gender: Drives: 2001 Omega 2.6CD LPG & 3.0 cams	Re: LPG fiddling Reply #10 - 26. Mar 2008 at 22:10 If you want to keep it it may be worth swapping th ekit for SGI As for your current problem - take a trip to Newport - phone first - Autogas Worldwide are based there and they are the Romano importers
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speakingclock

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Drives: Omega2.016V Auto, 900 Sprint

Re: LPG fiddling
Reply #11 - 26. Mar 2008 at 22:24

Hi Just a thought, although I run a 2.0 on a single point / mixer I had to uncover several problems. Such as ICV, Replaced to make sure, Vacuum leak on the inlet manifold gasket (probably made worse by a backfire) and Cam sensor. All replaced and runs like a dream.

There's an lpg parts store on ebay who have all manor of anti backfire devices.

http://search.stores.ebay.co.uk/lpgparts__Anti-Backfire-Devices

Contradiction really as these devices just minimise damage. Backfires do happen but with the ABD fitted it just blows out with no adverse effects in the inlet tract. I used a porche airbox saver, simple to fit and cheap too. I've also heard that the sgi systems are less economical as there is no loss of performance.

I hope this helps

Tony

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LPG Open Mixer System Tow Bar Mini Spots

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Holy Count Ex Member	Re: LPG fiddling Reply #12 - 26. Mar 2008 at 22:35 Thanks Guys --- very useful info there Newport ?? Will I need innoculations SWMBO thinks an anti blowback device would do just the job, but fitted elsewhere on MY anatomy !!!!
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Holy Count Ex Member	Re: LPG fiddling Reply #13 - 17. Apr 2008 at 19:31 Just discovered a ginormous split in one of my intake pipes --- many thanks to HN03GOH for the new one! Must have been that last backfire !!! Speakingclock ... where did you fit that valve from eBay ? Methinks I had better get myself one !!!
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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: LPG fiddling Reply #14 - 17. Apr 2008 at 19:38 If you're keeping the car it might be worth investing in an SGI front end to avoid a repeat of the backfire. Tank and plumbing could stay, so it wouldn't be a huge job. Kevin
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