Tuesday, August 17, 2010

Fuel economy of a 1997 Mitsubishi NJ Pajero

This is, without doubt, the most boring blog post ever. I include it here, tucked between some more interesting posts, not for my friends to read, but so the great Google can gobble it up and spit it out to fellow travellers who might, like myself some six months ago, want to know these details.


The fuel economy for city driving for a 1997 NJ Mitsubishi Pajero is 15.0L/100km, for country driving 14.9L/100km. I include that statement for Google's benefit, the detail to explain that is below. I don't have the foggiest idea what it uses in city driving.














































FUEL ECONOMY

4WD TRACK

CITY

DIRT ROAD

OPEN BITUMEN ROAD

20km/h

40km/h

60km/h

80km/h

90km/h

100km/h

110km/h

130km/h

No roof rack

 

22.5L

 

 

 

13.4L **

14.9L

18.2L

Roof rack*

 

 

 

15.0L

14.1L

14.6L

17.4L

 

*Roof rack loaded only with additional spare tyre
**Out of interest, with a fierce tailwind, this dropped to 11.8L/100km (100km/h). The 18.2L/100km for the 130km/h was into a headwind, so might be lower in normal driving conditions.



And also useful, is a table of tyre pressures. These are useful for when you need to deflate the tyres for a 4WD track, or to reinflate them to bitumen road pressure after leaving a 4WD track or dirt road. The pressure reading will be different depending on tyre temperature, so reinflating the tyres after leaving a dirt road or 4WD track can be a little troublesome.




































































TYRE PRESSURES

NORMAL LOAD

HEAVY LOAD

FRONT

REAR

FRONT

REAR

COLD

HOT

COLD

HOT

COLD

HOT

COLD

HOT

BITUMEN

26psi

 

29psi

 

30psi

31-34psi

35psi

36-41psi

 

 

 

11 seconds 2

15 seconds 2

DIRT ROAD 1

80km/h & 4WD high-gear mode

 

 

 

 

26psi

30psi

30psi

35psi

4WD TRACK

4WD mode

 

 

 

 

17psi

20psi

17psi

20psi

1. The dirt road pressure is 10% below bitumen road pressure. This helps to keep tyres intact on dirt roads with sharp rocks and improves grip on the slippery surface. On worse roads, deflate by a further 10% or more to suit.


2. Time in seconds of how long to deflate tyre from bitumen to road pressure to reach dirt road pressure. As a guide, every 30 seconds 9psi is let out of the tyre.





These pressures are as per the manufacturer's recommendations.

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