

| Subject: | Re: Propane Conversion for Vanagon--head north! |
| From: | Dana Morphew |
| Date: | Sat, 15 Feb 2003 18:12:58 -0800 |
I've got a propane "belly tank" that holds 13 gals (16 gals. water volume). It's in great shape, has a gauge, and will fit under the rear seat. I'd like $175 usd, and I'm in the Puget Sound area. Dana 80 Westy Pokey wrote: > Gary has his propane tank under the rear seat (it does steal > a lot of room). I had contemplated doing a propane conversion > in the past. Aside from the rear seat I felt my best options > would be: > > 1) Twin long thin propane tanks replacing the stock on the > drivers side and under the sliding passenger door. > > 2) A "Doughnut" tank that fits in place of the spare tire up > front. > > I have seen both in Europe. > > Thanks, > Chris > > ---- Original message ---- > >>Date: Fri, 14 Feb 2003 09:43:07 -0800 >>From: "Mark Dorm" <mark_hb@hotmail.com> >>Subject: Re: Propane Conversion for Vanagon--head north! >>To: pokey@VANAGON.ORG, vanagon@GERRY.VANAGON.COM >> >>Smoother running engine is one big plus.. esp at idle... >> >>As far as space for tank goes... is there any chance it >> > could be mounted on > >>the roof, albiet discretely, in a housing/cargo box... >> > something nice > >>looking... behind a packasport preferably (something like >> > that should have > >>been stock from the factory) >> >> >> >> >> >> >> >>>From: 80 Westy Pokey <pokey@VANAGON.ORG> >>> >>>Speaking of Canadian Propane pioneers, check out Gary Lee's >>>van at: >>> >>>http://www.telusplanet.net/public/gary2a/rack/propane/propan >>> > e. > >>>htm >>> >>>Also, here is the text from a British VW club magazine (I >>>forget which one) from last summer: >>> >>> >>>I inclose a review of my experiences since converting to >>> > LPG. > >>>LPG stands for ‘LIQUID PETROLEUM GAS’ and is a by-product of >>>oil extraction. This gas used to be burnt off but is now >>>liquified and kept under pressure in steel cylinders of >>>various sizes. LPG or ‘AUTOGAS’ used in motor vehicles is >>>propane. This is similar to butane, as used by campers, but >>>is more volatile and remains usable down to lower >>>temperatures. It is also less dense and therefore, lighter >>> > in > >>>weight per unit volume. It is also half the weight of petrol >>>but the tank required to contain it is considerably heavier >>>than a petrol tank of similar volume. >>> >>>My vehicle is a 1987 VW Caravelle GL Syncro. The Syncro is >>>particularly suitable for conversion since its extra height >>>can better accommodate the twin tanks I decided to fit. >>> > These > >>>were mounted forward of the rear axle on either side of the >>>propshaft. I chose this in consultation with Jason >>> > at ‘Brymor > >>>Gas Conversions’ who undertook the conversion. >>> >>>In addition to the tanks the system requires a vapouriser. >>>This reduces the presure, preheats the liquid and releases >>>it, as a gas, into a gas pipe which delivers it to the air >>>intake. There are three adjusters involved. There is one >>> > main > >>>over-all adjuster and one each for idle and running (this is >>>adjusted at 2500 revs). >>> >>>Since the engine is an injected DJ model, Jason had to >>>disable the petrol injectors when switched over to gas. >>> > This > >>>is so because the engine must be started on petrol. (I have >>>not discovered why this is necessary because on a cold >>> > engine > >>>the running is much smoother on gas). On an injected system >>>the switch-over from gas to petrol is triggered >>> > automatically > >>>when the throttle is dipped. There is a rev sensor. >>> >>>There are many safety features involving relay controlled >>>solenoids in various parts of the circuit. Any failure and >>>the gas is shut off at once. >>> >>>The conversion took two days. For the first 500 miles the >>>mixture is set rich to ‘bed in’ the diaphragms in the >>>vapouriser. A weak mixture was to be avoided to prevent >>> > back- > >>>firing at the air intake. After this period, it was re-tuned >>>which produced a significant improvement in power and >>> > economy. > >>>However, I thought it could be further improved so I took >>> > the > >>>van to ‘Mosley’s of Llandeilo’ where Vince Mosley did a >>>computer tune on his rolling road. He achieved a 30% >>>improvement in power, torque and economy. That speaks >>> > clearly > >>>of the benefits of tuning under load! >>> >>>I have now covered 5000 miles on gas including pulling a >>>large caravan and I am very pleased with the conversion. >>> >>>Points for: >>>1. Economy. Where a fill-up was £54 it is now £30 and it >>>covers the same distance. >>>2: Environment >>>3: clean engine oil. >>>4: Smoother running engine. >>> >>>Points against. >>>1: cost of conversion. (In my case with twin tanks-£1200) >>>2: Weight. >>>3: Space. (again in my case, not a concern) >>> >>>Recommendations: >>>1: It is much preferable to convert an engine that is in >>> > good > >>>heart. >>>2: Get the conversion done by a member of the ‘LPG >>>Association because: >>> A. You need a certificate for the insurance. (this >>> > should > >>>not incur a surcharge). >>> B. The DVLA need to be informed and the certificate is >>>the best way of doing it. >>> C. The date that the tanks are commissioned is >>> > important > >>>(and appears on the certificate) because by law, they must >>>be tested in ten years time. >>> >>>I hope this is of some help to those considering conversion. >>> >>>---- Original message ---- >>> >>>>Date: Thu, 13 Feb 2003 09:11:35 -0800 >>>>From: Stuart MacMillan <macmillan@ATTBI.COM> >>>>Subject: Propane Conversion for Vanagon--head north! >>>>To: vanagon@GERRY.VANAGON.COM >>>> >>>>This is something I've thought about a bit too. These >>>> >>>conversions >>> >>>>disappeared with carburetors, unfortunately. US >>>> > automakers > >>>have put a lot >>> >>>>of dollars into designing complex systems for gasoline as >>>> >>>the fuel, I wonder >>> >>>>why that is? >>>> >>>>The Canadians are way ahead of us on this one. Take your >>>> >>>Vanagon there for >>> >>>>conversion. See: >>>> >>>http://www.autogaspropane.com/why_propane_auto.htm >>> >>>>Who will be the first to check this out??!! >>>> >>>>Stuart MacMillan >>>>'84 Westy w/2.1 >>>> >> >>_____________________________________________________________ >> > ____ > >>MSN 8 helps eliminate e-mail viruses. Get 2 months FREE*. >>http://join.msn.com/?page=features/virus >> >>
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