Classic cars forum & vehicle restoration.
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Ray White
Joined: 02 Dec 2014
Posts: 6312
Location: Derby
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 Posted: Sun Jan 14, 2018 2:25 pm Post subject: |
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| I dread having to replace the coil pack on my (2000) P38 because it is situated right at the back of the engine next to the bulkhead and is virtually impossible to reach. I managed to replace the leads but with much difficulty. |
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Bitumen Boy
Joined: 26 Jan 2012
Posts: 1735
Location: Above the snow line in old Monmouthshire
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| Posted: Sun Jan 14, 2018 4:02 pm Post subject: |
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| Keith D wrote: |
I don't know how much longer we will have LPG available in Western Australia. We had Federal and State Government grants that actually paid for the whole installation on my vehicles a few years ago. These grants have now vanished and LPG is creeping up in price until it is now more than 3/4 of petrol prices. Very few people are bothering with getting new installations and as a consequence, several garages near me have removed their gas bowsers and more are reported to be following. A hell of a shame really, especially as the gas is available locally.
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That's just brought back to mind an idea I had a few years ago. Basically I was idly musing about LPG conversions and thought the size of the tank could be a drawback, but then wondered about using the horizontal propane bottles as used to fuel many forklift trucks - I was working in a warehouse at the time and we had several so equipped. Now at the time I thought of it in terms of using the bottled gas for fuel most of the time, but being able to remove the bottle and revert to petrol if the car needed to be loaded up for a holiday, tip run or whatever when a permanently mounted LPG tank would be in the way. As you can tell I never got any further with the idea, but I don't see why bottled LPG in one form or another couldn't be used as an alternative fuel if/when petrol ceases to be readily available. I don't know what the range would be like but at least a car so equipped could get out on the road instead of being scrapped as useless or just sitting in some museum. |
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Ray White
Joined: 02 Dec 2014
Posts: 6312
Location: Derby
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| Posted: Sun Jan 14, 2018 4:58 pm Post subject: |
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The smaller the car the more difficult it becomes... I think. I would struggle to find somewhere to put the tank on an Austin Seven, but then it would require a smaller tank than a thirstier car. If your car has a boot then the compromise is obvious but if there is no boot space - a vintage car for example - then it would need to be tucked up underneath. Fortunately, most vintage cars have a high ground clearance and hopefully space between the chassis rails.
Space is a serious consideration and I fear many cars will be lost if petrol becomes either scarce, unaffordable, or both. |
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alastairq
Joined: 14 Oct 2016
Posts: 1952
Location: East Yorkshire
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Ray White
Joined: 02 Dec 2014
Posts: 6312
Location: Derby
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| Posted: Sun Jan 14, 2018 6:08 pm Post subject: |
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During WW2 my Mother was a "clippie" on the busses. She recalled how there was an enormous gas bag on the roof.
Meanwhile, a friend of my Dad converted his Opel to run on batteries. The car was well down on it's springs with the weight but it worked! |
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alastairq
Joined: 14 Oct 2016
Posts: 1952
Location: East Yorkshire
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| Posted: Sun Jan 14, 2018 6:37 pm Post subject: |
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Flux capacitor, anyone?  |
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emmerson
Joined: 30 Sep 2008
Posts: 1268
Location: South East Wales
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| Posted: Sun Jan 14, 2018 6:48 pm Post subject: |
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Ref the ignition for LPG, I regard dizzy cap, coil and leads as service items and replace every second plug change, ie around 20,000 miles.
And, from personal experience, "coil" should be spelt "Bosch". Nothing else will do. |
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Rick
Site Admin
Joined: 27 Apr 2005
Posts: 22446
Location: UK
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| Posted: Sun Jan 14, 2018 6:52 pm Post subject: |
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| Ray White wrote: | | I dread having to replace the coil pack on my (2000) P38 because it is situated right at the back of the engine next to the bulkhead and is virtually impossible to reach. I managed to replace the leads but with much difficulty. |
Mine's the same (Thor), two coil packs hidden down the back, one on either bank. I had mine replaced with Bosch coils while the car was in for other work, I think the consensus is to remove the inlet manifold and it makes access a lot easier, I'm sure that's what the L/R guy I took it to did.
RJ
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Rick - Admin
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ukdave2002
Joined: 23 Nov 2007
Posts: 4104
Location: South Cheshire
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| Posted: Sun Jan 14, 2018 7:26 pm Post subject: |
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| Rick wrote: | | Ray White wrote: | | I dread having to replace the coil pack on my (2000) P38 because it is situated right at the back of the engine next to the bulkhead and is virtually impossible to reach. I managed to replace the leads but with much difficulty. |
Mine's the same (Thor), two coil packs hidden down the back, one on either bank. I had mine replaced with Bosch coils while the car was in for other work, I think the consensus is to remove the inlet manifold and it makes access a lot easier, I'm sure that's what the L/R guy I took it to did.
RJ |
I had to replace the coil packs every 50,000 miles, these were just standard Vauxhall parts, so for someone doing a normal annual mileage it shouldn't be a frequent task..
Dave |
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Ray White
Joined: 02 Dec 2014
Posts: 6312
Location: Derby
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| Posted: Sun Jan 14, 2018 7:40 pm Post subject: |
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To replace the coil packs on my P38, the inlet manifold does indeed have to be removed but that also involves removing the LPG installation which is above my pay grade. Perhaps if I was sure how it works I might be less intimidated by it.  |
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Rick
Site Admin
Joined: 27 Apr 2005
Posts: 22446
Location: UK
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| Posted: Sun Jan 14, 2018 8:00 pm Post subject: |
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| Ray White wrote: | | To replace the coil packs on my P38, the inlet manifold does indeed have to be removed but that also involves removing the LPG installation which is above my pay grade. Perhaps if I was sure how it works I might be less intimidated by it. |
The fella I use in Stoke, a L/R owner & enthusiast who also does LPG conversions, always sorts mine out whenever something breaks/falls off/goes sick. Let me know if you ever need his details.
RJ
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Rick - Admin
Home:https://www.oldclassiccar.co.uk
Videos:https://www.youtube.com/user/oldclassiccarRJ/videos
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Ray White
Joined: 02 Dec 2014
Posts: 6312
Location: Derby
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| Posted: Sun Jan 14, 2018 8:19 pm Post subject: |
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| Rick wrote: | | Ray White wrote: | | To replace the coil packs on my P38, the inlet manifold does indeed have to be removed but that also involves removing the LPG installation which is above my pay grade. Perhaps if I was sure how it works I might be less intimidated by it. |
The fella I use in Stoke, a L/R owner & enthusiast who also does LPG conversions, always sorts mine out whenever something breaks/falls off/goes sick. Let me know if you ever need his details.
RJ |
Thanks Rick. For what it's worth I use an LPG specialist in Ripley, near Derby who installed the system originally. They are very helpful and have some impressive equipment for tuning/mapping etc. As I don't really understand electronics, anything (apart from the air suspension technology which I have got to grips with now) is handed over to them. Next time I have the system checked I will get them to change the coil pack. You need small hands and little thin arms to reach down behind there and getting into an odd position across the engine gives me a back ache. |
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Rick
Site Admin
Joined: 27 Apr 2005
Posts: 22446
Location: UK
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Ray White
Joined: 02 Dec 2014
Posts: 6312
Location: Derby
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| Posted: Mon Aug 12, 2019 9:42 pm Post subject: |
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| Rick wrote: | Talking of LPG, to change the aluminium gas filter (with the rubber hose fitted with Jubilee clips on either side of it), am I right in thinking that by disconnecting the hoses to the filter, say to replace the filter, there'll only be residual gas in the line that'll blow out initially on cracking open the joint?
thanks, RJ |
Rick. I imagine there is a metering valve to control the highly pressurised gas from the tank as and when required but whether it is before or after the filter I don't know. I am not confident tinkering with these gas systems but It's your call.
If your vehicle is fitted with an LPG system that is linked to an electronic fuel injection system, I would check with the specialists first. You may find that (like with air con regulations) you need a licence to work on it.
Good luck. |
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Rick
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Joined: 27 Apr 2005
Posts: 22446
Location: UK
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