Is 100 miles from £25 of petrol normal?
Discussion
I love me wedge. A lot 
After just 1 month of ownership, I'm hooked - I don't even like my TT any more!
Just one question though, I am getting an average of 100 miles to every tank of petrol (£25). I'm running on standard 95 octane fuel but am being crippled by how much my driving is now costing me!
Is 16mpg normal or have I got serious problems?
My car is a standard 1987 350i
Cheers,
L33.
>> Edited by l33 on Thursday 29th September 20:04
After just 1 month of ownership, I'm hooked - I don't even like my TT any more!
Just one question though, I am getting an average of 100 miles to every tank of petrol (£25). I'm running on standard 95 octane fuel but am being crippled by how much my driving is now costing me!
Is 16mpg normal or have I got serious problems?
My car is a standard 1987 350i
Cheers,
L33.
>> Edited by l33 on Thursday 29th September 20:04
l33 said:
I love me wedge. A lot
After just 1 month of ownership, I'm hooked - I don't even like my TT any more!
Just one question though, I am getting an average of 100 miles to every tank of petrol (£25). I'm running on standard 95 octane fuel but am being crippled by how much my driving is now costing me!
Is this normal or have I got serious problems?
My car is a standard 1987 350i
Cheers,
L33.
If my quick calc. is right, that works out at c. 17mpg, which, unless you're booting it everywhere and not getting into top gear, seems a bit on the low side if its a standard 350. Sure its not got a 4.6 lurking under the bonnet?
The MOT emisions test will tell you a lot - were these ok last time?
Its generally only a good idea to run ordinary unleaded if the ignition timing has been retarded to suit it - otherwise you may find it prone to pinking.
The fuel gauges are notoriously inaccurate, and as I'm sure you know, the tanks take forever to fill, so £25 worth is only about half the theoretical total capacity.
Time for a tune up maybe?
Enjoy.
7.
Thanks number 7.
As for not booting it everywhere, I do like using my right foot as it brings music to my ears (and everyone else’s ears who happens to be within a 2 miles radius )
but not using it all the time.
Definitely time for a tune up!
Can anyone recommend anyone around Birmingham who doesn't charge the earth?
As for not booting it everywhere, I do like using my right foot as it brings music to my ears (and everyone else’s ears who happens to be within a 2 miles radius )
but not using it all the time. Definitely time for a tune up!
Can anyone recommend anyone around Birmingham who doesn't charge the earth?
l33 said:
Thanks number 7.
Can anyone recommend anyone around Birmingham who doesn't charge the earth?
I know a guy in Nuneaton.
PS sure its not the gauge? Run it dry with a spare couple of cans in the boot?
My gauge is awful so tend to fill up on 1/4 minimum. But pretty sure there is at least a half left
Pah, you're not trying
When my ECU was on the blink I got 95 miles... on a tankful.
My 390SE normally averages 18 mpg, on a cruise it will see mid-20s (which surprised me!); at the moment I haven't got the new injection set up correctly and it did 35 miles on twelve quids'-worth of 95RON.
It's quite easy to get an RV8 into single figures if you try hard enough (IIRC Steve Heath's sprinting 5.2 does 4 mpg on the track
)
When my ECU was on the blink I got 95 miles... on a tankful.
My 390SE normally averages 18 mpg, on a cruise it will see mid-20s (which surprised me!); at the moment I haven't got the new injection set up correctly and it did 35 miles on twelve quids'-worth of 95RON.
It's quite easy to get an RV8 into single figures if you try hard enough (IIRC Steve Heath's sprinting 5.2 does 4 mpg on the track
)
I've been logging mine since I got it by filling to the brim each time and recording the distance travelled (OK so I'm anorakish). Over three years it averages 24.2 mpg, used mostly for long distance trips (over 50 miles). On the odd occassions when I've pootled around town, it drops to 20 mpg, and cruising on decent A & B roads it can get up to 27 mpg. As noted in other threads, if I've played silly b*gg*rs, it drops to 17 mpg.
Unless you're using it to get two miles to work each day followed by blasting it round the countryside at the weekend, it sounds as though you need a tune up. I find the cheapest option is to take it to a 4X4 independent. They are used to working on Range Rovers, and don't charge the earth. Not much use for anything else than engine work though.
Unless you're using it to get two miles to work each day followed by blasting it round the countryside at the weekend, it sounds as though you need a tune up. I find the cheapest option is to take it to a 4X4 independent. They are used to working on Range Rovers, and don't charge the earth. Not much use for anything else than engine work though.
On me drive to Sweden this year, 2100 miles in a FHC 350i, the average was 24.9 MPG (I know, I'm such a geek). The curious thing is the extended stints on the Autobahn at sustained >> 120 MPH (indicated) driving I got close to 30 MPG, and around town and country driving it drops to around 15 MPG! So I guess you need to drive faster!
The Odometer was spot on, as I measured exactly 1.0 miles between the pillars of the Storbaelt suspension bridge.
-Jim
The Odometer was spot on, as I measured exactly 1.0 miles between the pillars of the Storbaelt suspension bridge.
-Jim
jchase said:
On me drive to Sweden this year, 2100 miles in a FHC 350i, the average was 24.9 MPG (I know, I'm such a geek). The curious thing is the extended stints on the Autobahn at sustained >> 120 MPH (indicated) driving I got close to 30 MPG, and around town and country driving it drops to around 15 MPG! So I guess you need to drive faster!
The Odometer was spot on, as I measured exactly 1.0 miles between the pillars of the Storbaelt suspension bridge.
-Jim
Previous owner of my car reported that at sustained 100 mph cruise up the motorway from Glasgow to Edinburgh the car was more economical that at 80.
Storebaelt is a scary thing isn't it! I went over about 6 months after it opened; it was £21 to cross IIRC...
Several hundred feet straight down onto a passing tanker...
I get around 20-25 mpg from my 390 - more (up to 30) on a long run and much less ( less than 10) round the track.
I once had a VDP EFi with a standard RV8 engine, it had a consumption display on it and I once got this down to 0.7 mpg booting it up a hill. Two tons of car with an auto-box with kick-down!
DavidY was in the passenger seat - I'm sure he remembers it.
Russ
I once had a VDP EFi with a standard RV8 engine, it had a consumption display on it and I once got this down to 0.7 mpg booting it up a hill. Two tons of car with an auto-box with kick-down!
DavidY was in the passenger seat - I'm sure he remembers it.
Russ
deetes said:
Definitely wouldn't run my 390 0n 95RON. Used to run really well on PROPER 4 star!!! BP's supposed to be taking out 99RON. I'll be havin some of that.
My 390 runs a lower compression ratio than standard - I think I worked it out to be 9.3:1.
This is because it has standard Rangey pistons instead of the original flat-top Omegas, the valve pockets were added which takes a bit off the normal 9.35:1 CR of a 4L Rangey. Hence it's probably happier on 95RON than yours would be
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