Paul B Posted August 15, 2007 Report Posted August 15, 2007 MikeJ you have exactly the same set up as me. Latest Sequential Romano system, with an 80Ltr Donut (torroidal) tank in place of the Spare Wheel. I get a max fill up of about 57 litres usually. As you say, the loss of MPG is neglible, and I am convinced there is absolutely no loss of power either with this system. In fact, mine definitely runs better on it, much smoother, you can notice the difference (though some will say it's in the mind...). I'm impressed enough to never look back and never consider running an ordinary Petrol again! I can't afford to! The price difference in LPG to Petrol has been guaranteed by our Former Chancellor for about another 3 years, so hopefully we will be ok. After all, it's a greener fuel. I agree you will never win the LPG versus Diesel argument! My own Brother will not hear a word against Diesel! Him and I have had some real debates on the issue. As you say though, with Diesels getting much better these days, it's certainly an option worth considering when buying another car which I wouldn't rule out, but my preference is the Dual Fuel without a doubt. Petrol performance at a Diesel price, what could be better, and the back of my car isn't permanent covered in black soot! When the government talk about Climate Change etc, I'm always amazed when I sit behind Buses (one of their other favourite transport topics) and wonder why they aren't gassed? The fumes they omit are disgusting. But that's a whole new issue, never discuss Religion and Politics.....LOL
morticiaskeeper Posted August 15, 2007 Report Posted August 15, 2007 Found it. http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...999#description But you didn't bid :-)
mumof4 Posted August 15, 2007 Report Posted August 15, 2007 Found it. http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...999#description But you didn't bid :-) Broke :rolleyes: If i had the money..might have done..besides..that paul seemed real keen......
katman Posted August 15, 2007 Report Posted August 15, 2007 Arent they under the car?????...lose the spare wheel then from underneath.. Hmmmm..... ....if you remove the spare wheel to fit an LPG tank.... how do you convert a Mk3 Galaxy to LPG :rolleyes: :lol:
seatkid Posted August 15, 2007 Report Posted August 15, 2007 ....if you remove the spare wheel to fit an LPG tank.... how do you convert a Mk3 Galaxy to LPG :rolleyes: :lol:Easy....fit a seat shaped tank in place of one or two of the seats...... :lol:
gio Posted August 15, 2007 Report Posted August 15, 2007 What capacity are the Lpg tanks that are available and where are they fitted on the vehicle please ? makes interesting reading this topic , herad about diesel Lpg before from someone but thought he was having me at it :rolleyes: ! DIESELS CAN RUN ON ALMOST ANYTHING And yes they can run on LPG but it has to be mixed with diesel ! also noted some one said running lpg rather than petrol will leadto slightly lower mpg.This is only correct if the mapping is left the same,but if the mapping is altered to suit the higher octane rating that lpg has over4 star petrol, then mpg will not fall. Remember no piont bragging that your lpg car is cheaper thana diesel, when a diesel can also use it.
mikej Posted August 15, 2007 Report Posted August 15, 2007 (edited) QUOTE : Remember no piont bragging that your lpg car is cheaper thana diesel, when a diesel can also use it. I don't think anyone on here is bragging about my mpg being better than yours but simply voicing their opinions on a cheaper alternative for those of us on here who run petrols . I thought after all that this was what a forum was all about and not slamming everything on here thats lpg related or doesn't meet diesel criteria ! Edited August 15, 2007 by mikej
seatkid Posted August 15, 2007 Report Posted August 15, 2007 Lets not get carried away with statements that are at best optimistic and at worst misleading. All of the mpg figures quoted so far (including mine..... :rolleyes: ) are OTT and unlikely to be acheived in real life. In particular posters should make it clear that terms like "petrol equivalent mpg" are a statistical manipulation using fuel price differential as an adjuster. What I have noticed is that there is quite a spread in LPG prices around the country btw. Lets get some basic facts straight though, LPG fuel consumption is around 20% more than petrol, purely because the calorific value is about 20% less than petrol. It is important to consider overall running costs including intial purchase price, conversion, insurance, depreciation, maintenance etc as well as fuel costs. A low mileage driver has not got a very good reason to choose anything but a petrol for instance. Diesel/LPG conversions are IMO a load of bulls**t and I never seen firm evidence of a succesful conversion. These are some amusing quotes from LPG conversion specialists...... Normal Diesel engines are able to combust only 75% up to 80% of the injected diesel. Really? :lol: The DFD LPG system is functioning marvelous and therefore we intended years ago to start supplying the system. Unfortunately we aren't able to supply because of legal reasons. At this moment you are not allowed to install and use any diesel LPG system in most of the European countries.Therefore we can't offer this system. What a shame..... :lol: Don't get me wrong, I would consider a dual fuel (even maybe an LPG only) vehicle, but only if it were made by a major motor manufacturer and covered by their warranty. Why? Then I would know it had no safety compromises, e.g. the fuel tank is ahead of the rear axle, and is crash tested. My decision would depend on "overall cost of ownership" (and whether I was likely to travel on Eurotunnel or other places where LPG vehicles may be banned) DIESELS CAN RUN ON ALMOST ANYTHINGUnfortunately that is not true either.
mikej Posted August 15, 2007 Report Posted August 15, 2007 Yes i would like to clarify when I have used the term petrol equivalent then i am taking into account the fuel price difference when filling the tank which can be as much as 58 pence/litre however fuel prices both lpg and petrol obviously differ throughout the country . I have also taken into account the mpg loss when running on gas compared to that of petrol so therefore the figures i quote are actual .
big_kev Posted August 15, 2007 Report Posted August 15, 2007 Some TRUE facts to ponder. Fuel Economy. 2.0l & 2.3l LPG conversions cost about 7.5 to 8p per mile2.8 LPG costs about 10.5p per mile1.9 TDI costs about 10p per mile. Above figures are based on average pump prices and current price of LPG ( average sensible driving not 45mph down the motorway ). Enviromently friendly. LPG CO2 emissions although far superior to Petrol are Slightly worse than Diesel, although Diesels are taxed more per emission...another little stealth tax. LPG is still based on Fossil Fuels and this will run out soon, with no real alternative. TDI's can run on Biodiesel and this is renewable ( although not really practical for domestic use when fossil fuels run out. ). Performance, LPG has far superior performance than Diesel, ( it revs like a petrol engine ). LPG has a lower torque than petrol and hence much, much lower than Diesel( don't get me started on this one ). LPG requires more than double the size of tank to travel the same distance as a Diesel ( much more filling up ). Safety. Diesels will not go BANG regardless of the type of accident the vehicle is involved in.Luckily LPG tanks are usually stored in direct proximity to the kids......not all bad then ! And finally.....want to hear some lies and gross exagerations about LPG..... Simply go to any site trying to sell you a conversion.
mikej Posted August 15, 2007 Report Posted August 15, 2007 Drive a diesel then Kev ? , Lets not get carried away with statements that are at best optimistic and at worst misleading , would however like to see your workings for your economy figures.
big_kev Posted August 16, 2007 Report Posted August 16, 2007 Drive a diesel then Kev ? , Lets not get carried away with statements that are at best optimistic and at worst misleading , would however like to see your workings for your economy figures. Yep, drive a diesel.....given a choice I would rather have a LPG converted V6. Workings for economy are. Take Cost of Gallon of fuel, Divide by MPG....gives cost per mile. Please clarify which bits you find optimistic or misleading ?
MrT Posted August 16, 2007 Report Posted August 16, 2007 Oddly I find that the money (fuel) savings made by driving slower in no way compensate to the cost of time lost in taking longer to get there. I would rather gain an hour in time than save
big_kev Posted August 16, 2007 Report Posted August 16, 2007 Oddly I find that the money (fuel) savings made by driving slower in no way compensate to the cost of time lost in taking longer to get there. I would rather gain an hour in time than save
tim-spam Posted August 16, 2007 Report Posted August 16, 2007 Oddly I find that the money (fuel) savings made by driving slower in no way compensate to the cost of time lost in taking longer to get there. I would rather gain an hour in time than save
insider Posted August 16, 2007 Report Posted August 16, 2007 Do they make a petrol mk3 version then ? 2.0L petrol and now a 2.3L petrol for the 6-speed automatic. In the S-MAX you can also have the Volvo-derived 2.5L (5-cyl) turbo engine.
MrT Posted August 16, 2007 Report Posted August 16, 2007 I just did a quick sum and it was really scary to work out that I have more
Bigjeeze Posted August 16, 2007 Report Posted August 16, 2007 Oddly I find that the money (fuel) savings made by driving slower in no way compensate to the cost of time lost in taking longer to get there. I would rather gain an hour in time than save
MrT Posted August 16, 2007 Report Posted August 16, 2007 I frequently drive between the M25 area and Northumberland and it is not difficult to make an hours difference on that journey.
insider Posted August 16, 2007 Report Posted August 16, 2007 Don't get me wrong, I would consider a dual fuel (even maybe an LPG only) vehicle, but only if it were made by a major motor manufacturer and covered by their warranty. Why? Then I would know it had no safety compromises, e.g. the fuel tank is ahead of the rear axle, and is crash tested.You could have had a Corsa converted by Millbrook (Vauxhall's approved conversion agent). This is covered by a 3-year, 100,000 mile warranty.http://www.millbrookconversions.co.uk/modelrange.htm
michaelbradford Posted August 16, 2007 Report Posted August 16, 2007 hi my 1.9TDi pushes 56mpg on flat motorway at 50mph can get 60+ at 45mph
raymac Posted August 16, 2007 Report Posted August 16, 2007 Do you have to have a shave when you reach your final destination? :rolleyes:
mumof4 Posted August 16, 2007 Report Posted August 16, 2007 Ahh but is that the first reading or average?? In the 1.9TDi i had.....on the second reading(average not the first where it shows what you are actually doing)..i had 52/55 mpg. why the heck would you do 45/50 mph on an a motorway!!...dangerously slow..unless you crawl behind a huge lumbering truck or tractor.Unless it was the speed limit at that time.......if it was..anyone can reach that mpg at those speeds. :rolleyes: going too slow is just as dangerous as going to fast.
insider Posted August 16, 2007 Report Posted August 16, 2007 The theory is that the engine is at its most efficient when producing max. torque (around 2,000 rpm for the TDI). Therefore, optimum speeds for cruising in each gear should be:1st - 10~12 mph2nd - 17~22 mph3rd - 28~36 mph4th - 40~50 mph5th - 50~60 mph6th - 60~75mph Has anyone with a trip computer on a long flat road ever compared the mpg achieved to the speed in each gear? (I'd do it but I haven't got a trip computer!) Obviously, many other factors affect fuel economy but the question is "Is it best to try to stay around 2,000rpm while cruising for maximum economy?"From the original post, at 45mph in 6th, the TDI engine would be turning at 1,300rpm. Would this achieve a better mpg than 45mph in 4th at 2,000rpm?
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