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Trip back from Pembroke to cambridge(ish):
Full tank, 323.8 miles, fill to brim with 29.4 litres (6.53 gallons), 323.8 / 6.53 = 49.58 mpg.
Short 5 speed box, carb and a spare gearbox in the boot, and doing 70-80 mph most of the way, not trying to drive gently either. I'm very happy
Anyone managed to beat that in a mk2?

almost mate

from where i live in cornwall to my mates uni in norwich is exactly 400 miles bang on........


i filled up my tank...40.86 ltrs, its a 9 gallon one it may have been slightly more than that coz i did really fill it to the brim anyway, so 400/9 = 44.4 mpg

its a G reg coupe s it had about 123000 on when i went up i was doing about 90 most of the way and was doing 100 for little bursts...

if i drive normally i can get 50mpg and generally get it around cornwall...

I was just shy of 40mpg in my derby today when i filled up. Im cheating with the 8Pboxness though really.

I'm gunna stick a fiver in mine tomoz and take up the challenge mr carrot!

Well, my best just driving locally is 43.5mpg, that was really trying for economy. On my way to pembroke I was taking it easy, no rush whatsoever, steady 70mph and got 47mpg, whereas on the way back I was pushing it a bit more and not really thinking about petrol costs, and it turns out at 50mpg, well chuffed with that

And, I'll shortly be fitting the 4+e economy box that was in my boot all the way back, so it'll be good to see what that does for it. Fuel injection is planned as well, although the summer is fast running out so I don't know whether that'll happen or not..

GroovyCarrot wrote:Trip back from Pembroke to cambridge(ish):
Full tank, 323.8 miles, fill to brim with 29.4 litres (6.53 gallons), 323.8 / 6.53 = 49.58 mpg.
Short 5 speed box, carb and a spare gearbox in the boot, and doing 70-80 mph most of the way, not trying to drive gently either. I'm very happy
Anyone managed to beat that in a mk2?

Yep Ive beaten it BUT in fairness im the second owner of a carefully owned car last owner is now 87yrs......
+ I had it Crypton tuned the day before I went to london.

Hah, fair play How much did you manage to get then?

wow!

considering all the crappy economy you've previously had, that's amazing.... you really did that speed all the way up? i'd have been happy with that in the low to mid 60s, i really would.

maybe it's pointing to the fuel consumption problem being a case of pebcak...

lets see what you get with that 4+e then!
(oh, and what nick is that short shift box in? are you replacing it because of the ratios, or because it's knackered?)

180 miles on £12 fuel @93.9p a litre...whats that work out to then lol

probably get 200 miles before it runs out completely

Tahrey, yep, minimum of 70 all the way really, most of it (apart from the M4 speed trap area) spent at 75-80.
Unfortunately I changed the gearbox because the input shaft bearing on the old box was rattling.. probably not too hard to change if you want it, but the synchros are showing their age as well, the box has done about 130,000 miles..

metz, what exactly did you do?

that works out (so far) to 64.1mpg.....

200 miles, if your litres figure is accurate, will be 71.2mpg!
in other words, roughly DOUBLE what i'm stringing the nastray out to ... hopefully not after i get the garage to give it a damn good tuning when i have it serviced, however

never mind about the box groovy, i checked your other post after writing that and saw why you were changing it general knackerage the same as mine... (to be honest my synchros seem a bit sluggish, too, though not grinding yet)

Just wait til someone with a Formel E posts, they'll make us all sick!

hehehe....

hmm top gear was repeating on one of the UKTV cable channels last night, it had clarkson in the A8 diesel V8 trying to do london-edinburgh and back on one tank - you're still doing better than he was at a steady 55mph + coasting + near-zero electrical load he only got it over 40mpg once fear crept in that it was going to conk out, and then not far.

(the success of the challenge being more down to the enormous tank and the large safety margin audi built in to the fuel guage and trip computer, than any startling economy)

im consigning this tank in the azzy as an official "fuel crisis marathon challenge tank". so far done magic-carpet wafting round town and getting to/from notts at 55-60 - or less, where it wasnt going to force trucks to overtake me on a 2-lane motorway. led to me almost getting myself killed overtaking some nit doing 34mph up the country B-roads (had to change out of top, reckoned that a short stab in 3rd would actually save fuel overall) just as they accelerated and coming face to face with another person charging round a corner... ah the challenges of fuel saving!

can only hope to get close to your 50mpg, overall. from some protracted maths based on the official figures, i worked out that doing a steady 53 should see the beast get 60mpg... time will tell the truth of that. But i'm up to 175 miles with the petrol needle where i might ordinarily be content with 100, so not that shabby!

two interesting things coming of that - im wondering how biased the new-style economy tests might be towards diesel power, maybe skewing things. the manual lists both the old style 90/120k and city figures, plus the new urban/country/combined... looking at the two, the new style definately paints petrol cars as worse than the old one, and diesels as better. Not sure quite how that works, but i suspect trickery. Maybe too much reliance on the in-town figure, as the old ones quite nicely highlight how derv burners work best under load - they're drastically less thirsty round town, but at a constant part-throttle 55 or 75mph, there's only a credit card's width between the two fuels.
and also, for all people's yawking about how expensive petrol is, there's little sign of them easing off the throttle and saving fuel even when they should. the second leg of my eco-run was blessed by fairly bad rain, and the standard of both general driving and economy concern was terrible. Less than a single car length gap being left - in the wet! - at 60mph, adding up to less than the likely stopping distance for one car across a whole 10-car queue, nearly no space being left when charging up behind and then cutting into outside lane, lots of hanging on at the back of a queue seemingly in 4th gear charging up to speed and then braking hard again when it's average speed was plainly only 1 or 2mph more than that of the left lane and both of them could be taken at an easy constant speed cruise in top, using half the fuel...