Vehicle & Technical > Range Rover
MPG Yes I know V8 are thirsty
Jonny Boaterboy:
I have a 1994 3.9 V8 and if Im lucky it will do 16 mpg. I actually brought it with the intention of converting it to gas as my sums caculated that that would be the cheapest way to run a Range Rover + you get a v8 as well! However I have had it for a year now and have decided not to covert it now.... for these reasons.
1) to get the conversion done properly by someone is, a best, £1000 and I dont have that sort of cash lying around. it would, at current prices take a few years to get this back
2) The tax relief on gas is to go next year (so I'm told) making gas more exspensive taking longer to get your money back on the conversion
3) For me, theres alot under the bonet already adding something else to go wrong is not a good idea
4) I have air surspension..... where do you put the tank? you can replace the fuel tank and put a gas tank there and have a long range tank put in....... more cost! In the boot is not an option as part of the apeal for a range rover is the space
5) You lose power....... ok only a small amount but its still lost!
6) Some people say it dosn't damage the engine some say it does.... I dont want to be the test car!
and finaly we all spend our money in different.... some down the pub, others on T.V.'s and sky, some on children, some on exspensive holidays well I have none of the above and choose to waste my money on petrol!
Its a V8........... none of us brought it thinking it was good on fuel economy so enjoy it dont watch the fuel gauge watch the off roading terrain in front!
(and plant some trees to make up for your enjoyment!)
Range Rover Blues:
To answer your concerns Jonny
1) it cost me £1250 for a full on multu point sytem with torriodal tank, that's the dogs doo-dahs of systems at the moment. I'm fitting it myself so it's done right.
2) I havn't heard anything about the tax, LPG is a green fuel that the gov't wants us to use. The alternative is CNG
3) If your car is going wrong all the time you have other issues, With a LPG system you have a redundant fuel system in the event of ECU failure making it more reliable.
4) I too have air suspension, hence the toriodal tank. I'll bin the spare (that way I don't add much weight on balance) and put slime in the tyres, which helps them last longer too.
5) Sorry, loose power? only if your system is cr4p and then only a few% A modrern multi point gives the same power, the difference in driving is unoticable. With an advance processor on you actually get more power on LPG.
6) Damage the engine? how exactly? Granted it's advisable to add an upper cylinder lubricant as LPG is a dry fuel but other than that it's a cleaner burning fuel that actualy cleans you engine which will then last longer. Your oil doesn't get contaminated as fast so that last longer. It has an octane rating in excess of 110 so the chances of pinking are just not there. LPG is a better, safer fuel.
Jonny Boaterboy:
hummm....... I thought I convinced myself not to bother! it always the way you can never find someone who knows how to do things properly when you need them! fancy fiting one for me? Im in telford or could drive to you.... :(bigsmile):
Range Rover Blues:
I'll tell you what, I can PM the 'phone number of the guy who supplied mine, he will happily talk you through any problems or concerns. I can 'photo mine when it's done too if you like, but I can't recomend this guy enough.
The bit that takes the time is removing the plenum chamber and drilling/taping the holes for the jets. I can do this for you if you want to post me the inlet manifold, no sweat.
The other big job is fitting the tank. The piping is a bit stiff to fit and the wiring is a dodle, if you can solder.
Then you need to plug the ECU into a pc and run an auto set-up program. I should be doing that now rather than sitting here......
.....oh well.
Pete5844 as was:
It's a V8 if it does more than 12 mpg it's not set up right.I've found the only way round this is only use it on a Sunday and look at in wpg(weeks per gallon)my little love now does 7 gpw(gallons per week)and if I ever go anywhere other than the bl**dy asda it's gona skint me but that V8 sound makes it all worth while.Pete
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