Nissan Car Lounge - Almera, Juke, Latio, Qashqai, Sylphy, Teana Owners > Latio

My FC Getting Better With Low RPM

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SoL:
400km at half tank mark and you get only 17km/l? Weird, I get 19km/l but around 300km at half tank mark. You took the picture on upslope is it?  :confused1:

On a side note, cars generally consume lesser petrol in N then in D when at a stop, but I can't confirm that for latios. I do that though.

liewks:

--- Quote from: SoL on November 19, 2008, 09:10:53 AM ---On a side note, cars generally consume lesser petrol in N then in D when at a stop, but I can't confirm that for latios. I do that though.

--- End quote ---

I agree. Verified on a SGP Jazz and a NAM Nissan Altima 2.4L with a Scangauge. I suppose the Latio will behave similarly. Too bad our Latio does not support Scangauge :-(.

There's an interesting footnote to this, the Altima consumed less petrol when stopped in D than in N when it was still in warm-up mode. Maybe this has something to do with keeping the revs down when the engine is in open loop. But once the engine is nice and warm, the reverse is true.

I like to keep the gear shift at N when stopped. It saves a tiny bit of fuel, avoids heating up the torque converter and makes my little car feel like it has a V6 at idle... (i.e. hardly any vibration). Actually, I often switch off the engine at those stop lights that stay red for over 20s.

Another thing about higher tyre pressures. There seems to be an point of view going round that it is dangerous to use higher pressures on long highway drives because the tyre will overheat. However, the tyre with higher pressure has two things in its favour:

- it will suffer less deformation as it rotates at speed, and,
- it will possess lower rolling resistance

and therefore should heat up less than an underinflated tyre. Underinflation is far more dangerous at sustained highway speeds than mild overinflation (within sidewall limits). Higher pressures tend to lower the effort required to turn the tyres and results in somewhat lighter steering, which we may mistake for severely reduced grip.

liewks:

--- Quote from: SoL on November 19, 2008, 09:10:53 AM ---400km at half tank mark and you get only 17km/l? Weird, I get 19km/l but around 300km at half tank mark. You took the picture on upslope is it?  :confused1:

--- End quote ---

My observations are similar to SoL. About 320km~340km at 1/2 tank indicates a high chance of a 19+km/L tank (~570km @ 1/4 tank mark). Getting 400km @ 1/2 tank will mean an excellent chance of a 22+km/L tank (~660km @ 1/4 tank) if traffic conditions stay the same throughout the tank. Unfortunately, I haven't seen 20+km/L tanks for some time now.

fri13th:
No leh i never park at slope leh i come to 17km/l cos the last half tank was 368km and untill light came on is 636km and i pump in 37.5 litres so about 17km/l lor unless my formula for fc calculation is wrong or maybe my tank different shape with u guys? :blink:

Latiorarri:

--- Quote from: liewks on November 19, 2008, 09:57:32 AM ---I agree. Verified on a SGP Jazz and a NAM Nissan Altima 2.4L with a Scangauge. I suppose the Latio will behave similarly. Too bad our Latio does not support Scangauge :-(.

There's an interesting footnote to this, the Altima consumed less petrol when stopped in D than in N when it was still in warm-up mode. Maybe this has something to do with keeping the revs down when the engine is in open loop. But once the engine is nice and warm, the reverse is true.

I like to keep the gear shift at N when stopped. It saves a tiny bit of fuel, avoids heating up the torque converter and makes my little car feel like it has a V6 at idle... (i.e. hardly any vibration). Actually, I often switch off the engine at those stop lights that stay red for over 20s.

Another thing about higher tyre pressures. There seems to be an point of view going round that it is dangerous to use higher pressures on long highway drives because the tyre will overheat. However, the tyre with higher pressure has two things in its favour:

- it will suffer less deformation as it rotates at speed, and,
- it will possess lower rolling resistance

and therefore should heat up less than an underinflated tyre. Underinflation is far more dangerous at sustained highway speeds than mild overinflation (within sidewall limits). Higher pressures tend to lower the effort required to turn the tyres and results in somewhat lighter steering, which we may mistake for severely reduced grip.

--- End quote ---

Scanguage II can?

http://www.scangauge.com/

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