Which method is more correct in saving fuel?

[carloverme]

Engine oil additive yield the most FC for me

Rubbish idea you have..

You want to save money on petrol yet you go and buy additive, spend more money instead.

 

[tutukueh]

Attrage 10km/l? Da fug?

 

[Albedo]

What car U driving?

Most CVT transmission slow in pick up so maybe more fuel efficient

Was driving a 1.6 CVT, now is 1.6 Auto. Can feel the difference since CVT was 4 gears (?) and this auto gearbox is 6.

 

[Albedo]

IMHO, method 1 is suited for highway driving whereas method 2 for city driving with lots of start stop traffic.

I see. Thanks for your input!

 

[New Eden]

Just down 2 gears and rev it hard let turbo kick in. No need care about fc.

 

[Albedo]

Just down 2 gears and rev it hard let turbo kick in. No need care about fc.

No turbo lah bro.

Sent from a tiny corner in SG using GAGT

 

[tk]

Was driving a 1.6 CVT, now is 1.6 Auto. Can feel the difference since CVT was 4 gears (?) and this auto gearbox is 6.

CVT is continuous lah.. no fixed 'number' of gears.. that's why it get better FC..

 

[Alphas]

There is a RPM zone where the engine is the most efficient in fuel consumption. If you can obtain that data then u know how to keep within the RPM. Most ICE is about 2000-2700, generally smaller cc has higher efficiency at higher rpm while larger cc has higher efficiency at lower of 2000 RPM.

 

[Elnin0]

A slow acceleration still saves fuel. Of coz not slow until hogging the road lah.

 

[keenklee]

Thanks. Now trying out method 1 and see. While the car is moving faster now, i don't enjoy hearing the engine at high rev. Maybe i will get used to it.

You should install one of those monitoring devices like SCANGAUGE and look at the instantaneous FC. You will then probably too busy monitoring and will not hear the engine rev.

 

[Voyager12345]

For the 2 style of driving i have below, which one would you think is more fuel saving?

1. Accelerate hard so that the car shifts into the highest gear as soon as possible. The thinking behind this style is that the highest gear is more fuel efficient. This would mean rev to maybe 3k RPM to get the gearbox to switch asap.

2. Accelerate slowly, keeping the rev to below 2.5k RPM. Maybe reach the next junction also won't get to shift to 3rd of 4th gear but at least the acceleration is slow. The thinking is low RPM = drink less fuel.

Which of the above method would you think is better for FC?

TIA!

I've tried to follow these steps too...

 

[Byakuya]

the smaller the throttle opening (aka how deep your right foot buries into), the less fuel the injectors squirt as in closed loop the AFR target is stoich.

doesn't matter your RPM since if your throttle is always 5% your RPM won't go up anyway past a certain point.

 

[hammee]

Rubbish idea you have..

You want to save money on petrol yet you go and buy additive, spend more money instead.

If it works for me. I don't see where is the rubbish.
I DIY my own servicing, I know my car well what effective whats not.

 

[Albedo]

You should install one of those monitoring devices like SCANGAUGE and look at the instantaneous FC. You will then probably too busy monitoring and will not hear the engine rev.

My car display the real time FC but it may not be the most accurate, it can go highest 30km/lit nia.
The overall FC also not accurate compared to my manual calculation...

Sent from a tiny corner in SG using GAGT

 

[carloverme]

If it works for me. I don't see where is the rubbish.
I DIY my own servicing, I know my car well what effective whats not.

Inever say the additive doesn't work.

I am saying, you are trying to save money by buying additives.
How can you save when you buy ?
Unless you tell me your additive cost almost $0.10 per whatever you pour in that can save you more than $0.10..
It never happens. Wake up. If additives works, car manufacturer will send you a carton as free gift and petrol companies will protest against selling such additives in their stores.
Until today, 2017 , July already, you still believe in additive ?

Now tell me how much you spend on a unit of additive, and how much money can it save per usage ?
convince us.

 

[mel1888]

My take is if u own car why bother on saving fuel. I drive how i like n where i like. If yr scrimping on every cent, sell the car n u will save a tonne.

 

[walkofwinners]

I think park in the car park saves the most fuel.

 

[keenklee]

My car display the real time FC but it may not be the most accurate, it can go highest 30km/lit nia.
The overall FC also not accurate compared to my manual calculation...

Sent from a tiny corner in SG using GAGT

I send u a PM.

 

[shadow84]

Since we are on the topic of fuel consumption, which scenario is better?

1. turn fan knob high, but AC knob low = air may not feel as cool but the fanspeed will make up for its coolness.

2. turn fan knob low, but AC knob high = Feels cool and more shiok if its on a hot day.