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Author Topic: LPG (again)  (Read 4256 times)

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Martin_1962

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Re: LPG (again)
« Reply #15 on: 28 March 2008, 16:28:32 »

Quote
OK OK .. you've convinced me ... :)

I'll cross him off my list as highly suspect .. that leaves few options ... I know Marie is having hers done.. is it by the "Mobile OOF Fitters Asociation ??"

If so .. can I join the queue ?? I'll provide beer and cash :) There is just no way I'm competent to do an LPG conversion .. I'd probably blow the car street up !!

The only other options are to pay £2000+ .. :(

How about Taxi Drivers installers - they are near to you aren't they?

As to DIY, Kevin does have a wide band Lambda whish is VERY usefull for getting the mixture correct
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Entwood

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Re: LPG (again)
« Reply #16 on: 28 March 2008, 16:29:37 »

If the guys who did TD's are the ones in Swindon .. they want £2300  :(
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Martin_1962

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Re: LPG (again)
« Reply #17 on: 28 March 2008, 16:30:33 »

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If the guys who did TD's are the ones in Swindon .. they want £2300  :(


Eeek!!!!

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Kevin Wood

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Re: LPG (again)
« Reply #18 on: 28 March 2008, 16:36:12 »

Quote
As to DIY, Kevin does have a wide band Lambda whish is VERY usefull for getting the mixture correct

True. I'm hoping it will be useful when the time comes. However, I may have an easier method for 2.2/2.6/3.2 cars.

My ELM code reader can read live data, so I can see what long and short term Lambda corrections are being applied by the ECU, hence no need to replace one of the Lambdas with a wideband, and put together some sort of loom to feed a "simulated narrow band" output back into the ECU.

Only downside with that is that using a wideband you can map right up to full load at full revs whereas you've got to guesstimate that without.

Kevin
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Martin_1962

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Re: LPG (again)
« Reply #19 on: 28 March 2008, 16:43:03 »

Quote
Quote
As to DIY, Kevin does have a wide band Lambda whish is VERY usefull for getting the mixture correct

True. I'm hoping it will be useful when the time comes. However, I may have an easier method for 2.2/2.6/3.2 cars.

My ELM code reader can read live data, so I can see what long and short term Lambda corrections are being applied by the ECU, hence no need to replace one of the Lambdas with a wideband, and put together some sort of loom to feed a "simulated narrow band" output back into the ECU.

Only downside with that is that using a wideband you can map right up to full load at full revs whereas you've got to guesstimate that without.

Kevin


I could do with some fine tuning - mine is quite close but I think it could be better - need to do the thermostat first
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Marie

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Re: LPG (again)
« Reply #20 on: 28 March 2008, 16:48:05 »

Quote
Quote
OK OK .. you've convinced me ... :)

I'll cross him off my list as highly suspect .. that leaves few options ... I know Marie is having hers done.. is it by the "Mobile OOF Fitters Asociation ??"

If so .. can I join the queue ?? I'll provide beer and cash :) There is just no way I'm competent to do an LPG conversion .. I'd probably blow the car street up !!

The only other options are to pay £2000+ .. :(

How about Taxi Drivers installers - they are near to you aren't they?

As to DIY, Kevin does have a wide band Lambda whish is VERY usefull for getting the mixture correct

kind off. ill be joining the fitters crew once we have completed mine. i wouldnt takle it on my own as i would probally blow the car street up too ;D ;D

as kev says their is far toomuch that i wouldnt trust anyone else doing.

goes back to the old saying my mother used to harp on at me!
"if you want a job doing correctly the first time you gotta do it yourself." :) ;)
« Last Edit: 28 March 2008, 16:48:33 by marie »
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Entwood

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Re: LPG (again)
« Reply #21 on: 01 April 2008, 18:26:56 »

Was speaking to a company this afternoon regarding their quote etc etc, the guy had a few things to say that I'd like others opinions on ... :)

1. Omega V6 engine can be "fragile" when converted to LPG, it can fail for piston/valve burnout after 30-50,000 miles.

2. He recommends the thermostat/cam cover gaskets/HBV/HT leads/CPP units and spark plugs are all replaced before hand to avoid having to disturb the LPG fit.

3. CPP units will probably only last 25000 miles on LPG as they overheat due to the engine running hotter on LPG.

Any views anyone ??
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Martin_1962

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Re: LPG (again)
« Reply #22 on: 01 April 2008, 19:57:20 »

Quote
Was speaking to a company this afternoon regarding their quote etc etc, the guy had a few things to say that I'd like others opinions on ... :)

1. Omega V6 engine can be "fragile" when converted to LPG, it can fail for piston/valve burnout after 30-50,000 miles.

2. He recommends the thermostat/cam cover gaskets/HBV/HT leads/CPP units and spark plugs are all replaced before hand to avoid having to disturb the LPG fit.

3. CPP units will probably only last 25000 miles on LPG as they overheat due to the engine running hotter on LPG.

Any views anyone ??


Where was this?
Mine have done about 20,000 on LPG so far
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Taxi_Driver

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Re: LPG (again)
« Reply #23 on: 01 April 2008, 20:08:20 »

Quote
If the guys who did TD's are the ones in Swindon .. they want £2300  :(

If its Dieselec (Gas and Go).........ask them for a quote again if you havent recently been quoted by them.....their prices have come down recently..... :y
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Taxi_Driver

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Re: LPG (again)
« Reply #24 on: 01 April 2008, 20:10:43 »

Quote
Quote
Was speaking to a company this afternoon regarding their quote etc etc, the guy had a few things to say that I'd like others opinions on ... :)

1. Omega V6 engine can be "fragile" when converted to LPG, it can fail for piston/valve burnout after 30-50,000 miles.

2. He recommends the thermostat/cam cover gaskets/HBV/HT leads/CPP units and spark plugs are all replaced before hand to avoid having to disturb the LPG fit.

3. CPP units will probably only last 25000 miles on LPG as they overheat due to the engine running hotter on LPG.

Any views anyone ??


Where was this?
Mine have done about 20,000 on LPG so far

I know mines a 4 pot.......but its done 85k on lpg now  :y
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Jay w

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Re: LPG (again)
« Reply #25 on: 01 April 2008, 20:22:33 »

Entwood, if i had the time i would pop up and show you how/help do it.

It truly isn't that hard, more time consuming than anything else.

I was a bit nervous the first time i did mine, but then realise so long as all the connections are gas tight it will be OK.

Mind you the fist time i switched over i was still sat in the car with eyes closed clenching everything.....not that it would have done much good, i was sat in a petrol station at the time   ;D ;D
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Jay w

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Re: LPG (again)
« Reply #26 on: 01 April 2008, 20:27:07 »

Quote
Was speaking to a company this afternoon regarding their quote etc etc, the guy had a few things to say that I'd like others opinions on ... :)

1. Omega V6 engine can be "fragile" when converted to LPG, it can fail for piston/valve burnout after 30-50,000 miles.Sounds like they are covering their back there

2. He recommends the thermostat/cam cover gaskets/HBV/HT leads/CPP units and spark plugs are all replaced before hand to avoid having to disturb the LPG fit.Wouldn't we all like that as an extra bit of business on top of doing a LPG conversion (that has the be a few hundred quids worth of work there)

3. CPP units will probably only last 25000 miles on LPG as they overheat due to the engine running hotter on LPG. my engine ran at the same temp on LPG or petrol

Any views anyone ??

Highlighted......

yes with an LPG kit it is a little more awkward to work on some of the things they have mentioned, but not impossible.

I have been told that any HT/LT issues the car has will be amplified when running on LPG, that is because it needs a good spark, and that the plugs need changing every 10,000 miles, in addition dual tip plugs are better than the triple tipped ones

HTH  :y
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Taxi_Driver

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Re: LPG (again)
« Reply #27 on: 01 April 2008, 20:30:01 »

Quote
Quote
Was speaking to a company this afternoon regarding their quote etc etc, the guy had a few things to say that I'd like others opinions on ... :)

1. Omega V6 engine can be "fragile" when converted to LPG, it can fail for piston/valve burnout after 30-50,000 miles.Sounds like they are covering their back there

2. He recommends the thermostat/cam cover gaskets/HBV/HT leads/CPP units and spark plugs are all replaced before hand to avoid having to disturb the LPG fit.Wouldn't we all like that as an extra bit of business on top of doing a LPG conversion (that has the be a few hundred quids worth of work there)

3. CPP units will probably only last 25000 miles on LPG as they overheat due to the engine running hotter on LPG. my engine ran at the same temp on LPG or petrol

Any views anyone ??

Highlighted......

yes with an LPG kit it is a little more awkward to work on some of the things they have mentioned, but not impossible.

I have been told that any HT/LT issues the car has will be amplified when running on LPG, that is because it needs a good spark, and that the plugs need changing every 10,000 miles, in addition dual tip plugs are better than the triple tipped onesHTH  :y

Agree  :y
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MartinP

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Re: LPG (again)
« Reply #28 on: 01 April 2008, 20:51:30 »

Quote
Quote
Quote
Was speaking to a company this afternoon regarding their quote etc etc, the guy had a few things to say that I'd like others opinions on ... :)

1. Omega V6 engine can be "fragile" when converted to LPG, it can fail for piston/valve burnout after 30-50,000 miles.Sounds like they are covering their back there

2. He recommends the thermostat/cam cover gaskets/HBV/HT leads/CPP units and spark plugs are all replaced before hand to avoid having to disturb the LPG fit.Wouldn't we all like that as an extra bit of business on top of doing a LPG conversion (that has the be a few hundred quids worth of work there)

3. CPP units will probably only last 25000 miles on LPG as they overheat due to the engine running hotter on LPG. my engine ran at the same temp on LPG or petrol

Any views anyone ??

Highlighted......

yes with an LPG kit it is a little more awkward to work on some of the things they have mentioned, but not impossible.

I have been told that any HT/LT issues the car has will be amplified when running on LPG, that is because it needs a good spark, and that the plugs need changing every 10,000 miles, in addition dual tip plugs are better than the triple tipped onesHTH  :y

Agree  :y


And me  :y

Mine did over 130k on LPG.

Only problems were with plugs & leads causing the bellows to "give way"  ;D
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Jay w

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Re: LPG (again)
« Reply #29 on: 01 April 2008, 20:57:34 »

Quote
Quote
Quote
Quote
Was speaking to a company this afternoon regarding their quote etc etc, the guy had a few things to say that I'd like others opinions on ... :)

1. Omega V6 engine can be "fragile" when converted to LPG, it can fail for piston/valve burnout after 30-50,000 miles.Sounds like they are covering their back there

2. He recommends the thermostat/cam cover gaskets/HBV/HT leads/CPP units and spark plugs are all replaced before hand to avoid having to disturb the LPG fit.Wouldn't we all like that as an extra bit of business on top of doing a LPG conversion (that has the be a few hundred quids worth of work there)

3. CPP units will probably only last 25000 miles on LPG as they overheat due to the engine running hotter on LPG. my engine ran at the same temp on LPG or petrol

Any views anyone ??

Highlighted......

yes with an LPG kit it is a little more awkward to work on some of the things they have mentioned, but not impossible.

I have been told that any HT/LT issues the car has will be amplified when running on LPG, that is because it needs a good spark, and that the plugs need changing every 10,000 miles, in addition dual tip plugs are better than the triple tipped onesHTH  :y

Agree  :y


And me  :y

Mine did over 130k on LPG.

Only problems were with plugs & leads causing the bellows to "give way"  ;D

under pressure by any chance  ;D ;D
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