Project Cone

Proghound said:
Even with the 42L tank actually holding closer to 45 litres, this is basically double the challenge that the A8 faced, you're going to have to average 80mpg. The rule of thumb for a TDI75 where long-run MPG = 130 minus your cruising speed, says that a TDI75 might be able to do this at 50mph. An interesting proposition! Are you going to go straight for 'van mode' to lose the weight of the rear seats and false floor? Any other modifications? Good luck
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Well I’m running a remap with JDD and a set of pepperpots coming tomorrow with new tyres to be installed on Wednesday. I will be taking out as much weight as sensible and keeping it at 50-60 as much as I can. I can sit at 30mph at tick-over in 5th but that would make the journey around 24 hours! Any other tips?


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mrbroons said:
Well I’m running a remap with JDD and a set of pepperpots coming tomorrow with new tyres to be installed on Wednesday. I will be taking out as much weight as sensible and keeping it at 50-60 as much as I can. I can sit at 30mph at tick-over in 5th but that would make the journey around 24 hours! Any other tips?


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Tape up all your panel gaps and consider some kind of shroud over the rear wheels.
 
mrbroons said:
Well I’m running a remap with JDD and a set of pepperpots coming tomorrow with new tyres to be installed on Wednesday. I will be taking out as much weight as sensible and keeping it at 50-60 as much as I can. I can sit at 30mph at tick-over in 5th but that would make the journey around 24 hours! Any other tips?


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Choose tyres with low rolling resistance. From worst to best tyres this can differ fairly much.
 
617 Finchley Road, London. Google StreetView, May 2009 before it closed. It was still open in May 2015 but demolished by May 2016

617 Finchley Road, London. Google May 2009.jpg
 
Shame it is gone but I’ll get there and take a photo outside.

My mixed driving normal consumption is putting me at about 600 miles for a tank.

44edd3d26c5080369cde1465b94b19a1.jpg



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That is on standard 16” wheels with full weight and 2 occupants.


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mrbroons said:
That is on standard 16” wheels with full weight and 2 occupants.


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What's the map 🤔 you're running? That's impressive mpg. Jdd is the long geared box isn't it.
Interesting reading on tyre pressures from cycling world. It used to be thought hard tyres were fast but absorbing bumps and not letting the impact disrupt the forward momentum proves more efficient, so I wouldn't go too hard on pressure, unless road is like roads in France!
 
CrispyEdd said:
What's the map you're running? That's impressive mpg. Jdd is the long geared box isn't it.
Interesting reading on tyre pressures from cycling world. It used to be thought hard tyres were fast but absorbing bumps and not letting the impact disrupt the forward momentum proves more efficient, so I wouldn't go too hard on pressure, unless road is like roads in France!
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I’m running the usual map by our local forum genius. Yes JDD is the long 3/4/5 gearbox from the Bluemotion Polo. Supposedly got stronger synchro on 3rd and 5th like 6th on an MYC.


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That’s about the same tank mileage as I get when I’ve mostly been driving on long journeys. If I tried hard it would crack 625 miles.

Not sure about that bike tyre theory Ed….
 
I reckon my 1.4 petrol with full tank, 34L I believe, would give <300 miles, including mixed driving. Looks like that's around half of what a tdi usually does.
Well, at least the access to the egr is less headache lol.
 
Sylvester said:
I reckon my 1.4 petrol with full tank, 34L I believe, would give Well, at least the access to the egr is less headache lol.
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I agree my 1.4 was terrible on juice. BBY seem to be worse than AUA.

New wheels tomorrow. Then new tyres. Just under 600 miles so far on one tank. Will see how far I get before the first cough!!


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dj_efk said:
That’s about the same tank mileage as I get when I’ve mostly been driving on long journeys. If I tried hard it would crack 625 miles.

Not sure about that bike tyre theory Ed….
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On the track/velodrome we would run as high as possible 168-180 psi always.
 
dj_efk said:
That’s about the same tank mileage as I get when I’ve mostly been driving on long journeys. If I tried hard it would crack 625 miles.

Not sure about that bike tyre theory Ed….
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The more bumps you hit the better to have correct pressures not high, as in cycling hard tyres over bumps equals backward and up motion. It would be a marginal gain on glass roads. see this article for pumping up high. https://www.popularmechanics.com/cars/a940/4199963/

Maybe pop 1/2 psi more in but dont go mad.
 
kp 115 said:
On the track/velodrome we would run as high as possible 168-180 psi always.
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Indeed on glass smooth suraces where its only required to move forward at high speeds. At low speeds on bumpy roads you will loose, imagine on a gravel road on that same bike. Either way be interesting to see what Brooms achieves and loko forward to his thread :)
 
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