I'm still getting around 24mpg while doing mixed local and motorway and using plenty of acceleration. Down to 22mpg when towing 1350 kg caravan and when I behave myself around 29mpg on longish motorway trips. Never been below 22mpg even when using full throttle journeys.
 
We drove a distance of 281 km (176 miles) on the motorway with a speed between 100 and 130 km/h (63 miles per hour and 81 miles per hour and had some trafic jam) and used 12.31 litres of diesel and 9.48 litres of LPG.(56.5% diesel and 43,5% LPG).
The result was a total fuel consumption of 1:12.9 km/l (36.3 mpg).

This 30% drop in fuel consumption and the lower cost of LPG makes the cost of motoring drop by approx. 46%.

The LPG tank we installed in the spare wheel arch is 75 litres. Therefore the car is now able to drive 2283 km (1427 miles ) between tank stops.
Click to expand...


Can you believe this:

IWEMA enterprise, diesel on LPG :eek:
 
Got 160K on my 300tdi auto and get close to 30 regular. Cold weather and short journeys knock it down though! Been told it'll get better when it gets run in proper :)
 
Tony stop gloating, you either dont live in the UK or you are running on some strange new fuel. I lived in NZ and ran a Mitsubishi Eterna 2.0TDi which cost $20nz (£8) to fill up and would take me 800km/500m...... £8 wont get the needle to move on the disco.
 
revjames said:
Errr, just filled up again at the same garage and same pump having done 147 miles. It took 26 litres which I calculate to be........ 24mpg :(

Thought it would be better than that, does it make any difference how carefully you drive it?
Click to expand...

Summet wrong there mate:(

I always average over 30mpg regardless of roads distance etc..... as long as I dont go over 70mph :) .

Found out the hard way flat out trying to catch an earlier Ferry back to blighty and probably did 360miles to a tank as appose to normaly 500+.
 
revjames said:
Diesel/LPG? didnt know you could do that, and according to that article, you cant here:(
Click to expand...
Never seen a forklift? We have toyotas where I worked that are diesel/LPG. Have to run them on LPG when they are inside the buildings.

Our EPA guide for a 2000 Landrover disco has a fuel economy rating of 13/17 mpg. So in reality its about 9/14 mpg.
 
greenjeepster said:
Never seen a forklift? We have toyotas where I worked that are diesel/LPG. Have to run them on LPG when they are inside the buildings.
Click to expand...
There are millions of diesel trucks round the world using LPG as an additive to improve performance and emissions. It just gets slightly more difficult on smaller engines.
I didn't think you could switch from diesel to LPG. I always understood that the LPG is supplemental up to 35%.
 
13 GBP.... of good old Super Petrol at 125 baiza a litre... erm... that's 15p a litre... 9.6 Rials a tank = 76.8 litres in the tank...

that means... 400km on 76.8 litres... erm... that's ... 16.896 gallons... to do 248 miles....

So that'll be: 14.6 Miles Per Gallon......

Good job it's so cheap - never bothered working that out before.... Well it is a 3.9 V8i..... and it does live at 120 kmh (80mph) most of the time.....

Tony.
 
donboon said:
There are millions of diesel trucks round the world using LPG as an additive to improve performance and emissions. It just gets slightly more difficult on smaller engines.
I didn't think you could switch from diesel to LPG. I always understood that the LPG is supplemental up to 35%.
Click to expand...
Guess I should not have been putting diesel in that other tank all this time:eek: Actually, they have to be set for one or the other, They don't have a switch to flip back and forth. The service man has to come out and switch it.
 
I have a 300tdi 94 m, generaly i get about 25/30 mpg with egr blanked, de cat pipe and tweaked pump. It goes better than standard if you use the beans but drinks like a bugger. drive steady and its better than when i got it at 150 000 miles
 
I was talking to the bloke who services my disco today and he reckons a K&N filter, a tweak on the pump and EGR removal (cat already out) will work wonders and give me up to 36mpg. Does he speak with forked tongue?
 
I used to get 30 or just over out of my 200tdi disco. Haven't really checked the 110 I've got now but I'm thinking it's around the 25 mark with a 2.5td in. Will definitely stick a tdi in it when this one gets tired.
 
revjames said:
I was talking to the bloke who services my disco today and he reckons a K&N filter, a tweak on the pump and EGR removal (cat already out) will work wonders and give me up to 36mpg. Does he speak with forked tongue?
Click to expand...

Can highly recommend getting rid of yeh EGR for performance & MPG-Easy job too
 
well I can confirm that I am getting 31mpg on a run. Previous best was 26 so I am pleased with that. Thats without changing the pump pressure or putting a K&N in. All Ive done is remove the EGR and Cat.
 
Think I posted here before that I could get 30mpg out of the old 300tdi. The TD5 is another matter. 25mpg seems to be about the norm and it has been as low as 20mpg on a long high speed (80ish) motorway run.
 
Mike Jones said:
Think I posted here before that I could get 30mpg out of the old 300tdi. The TD5 is another matter. 25mpg seems to be about the norm and it has been as low as 20mpg on a long high speed (80ish) motorway run.
Click to expand...

Mike Is that 25mpg with the EGR removed on the TD5
 
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