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Fuel consumption

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38 minutes ago, D.FYLAKTOS said:

Ricer car is the term in english (slang).

Rightly or wrongly, this would only normally apply to Japanese cars.

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29 minutes ago, KenONeill said:

In English we call that a "shopping list" (of stuff you'd like to buy and fit but haven't).

 

This is me with the OEM accessories book for the Mk1 Fabia... :D

3 hours ago, D.FYLAKTOS said:

Ricer car is the term in english (slang).

As far as I remember this started as Americans calling Japanese cars, I'd guess because generally the Japanese cars were so much better built than American cars (and UK and European cars) and old memories of Pearl Harbour.

 

 

3 hours ago, D.FYLAKTOS said:

At the 70's-80's i remember that the taxi drivers at the downhill or in the highway they put the Neutral for few seconds and the car was rolling with his own speed, that was a trick of that era for gas economy.

This did/does reduce the control of the car and could mean delayed and fumbled reactions to getting back into gear for emergency braking or acceleration plus it confuses ECUs on modern cars and would use more rather than saving fuel.

 

In the 1990s in the UK there was a desperate need by some to have the letter 'i' included in the boot badge, 'i' was for injection.  The sales rep (travelling commercial company sales representatives) types that were all about self-image (many times over substance) were particularly concerned about the letters in a boot badge.

 

3 hours ago, KenONeill said:

Rightly or wrongly, this would only normally apply to Japanese cars.

The term in Greek for such exaggerations "for show off" in every sector was for over a century (and some times still is) the "Gyfties" which means "Gypsie thing".

 

4 minutes ago, nta16 said:

it confuses ECUs on modern cars and would use more rather than saving fuel

I spoke for old cars with 4 gears and carburator.

I have seen it numerus times when i was kid and even today some drivers with 50cc motorcycles use it. From 3rd gear turn to N let the motorcycle roll to a downhill or a boulevard and one click before the traffic light they press and engage again the 3rd gear. 

9 minutes ago, D.FYLAKTOS said:

even today some drivers with 50cc motorcycles use it.

 

Not sure about modern bikes with oil injection, but older two strokes with oil-petrol mix couldn't use engine brake, as carburettor couldn't provide enough oil. Two stroke cars even had one way bearing to disconnect the engine.

 

36 minutes ago, nta16 said:

This did/does reduce the control of the car and could mean delayed and fumbled reactions to getting back into gear for emergency braking or acceleration plus it confuses ECUs on modern cars and would use more rather than saving fuel.

 

In carburettor engines this did save fuel, as they usually didn't have any way to cut off fuel when engine was driven beyond idle rpm with no gas (although I've seen some DIYs for Estelle to implement that system)

 

Older ECUs didn't mind, newer usually know which gear is selected, plus I've read somewhere, that some modern engines keep injecting some fuel to keep catalytic converter warm.

Having to help find the correct connectors that were only used for an early 1990s Ford ECU I was surprised to learn that Ford had ECUs going back to IIRC 1981 or 1982 with IIRC (?)their race engines.  Northampton was the base of Cosworth Engineering that Ford were tied in with for a good while.

 

1 hour ago, Papez said:

injecting some fuel to keep catalytic converter warm.

No only at low rpm felly fuel cut off happens at 1400ish

25 minutes ago, Thefeliciahacker said:

No only at low rpm felly fuel cut off happens at 1400ish

 

I was talking about some more modern, like VW's TSI :) Engines that also "dump" fuel to exhaust to not overheat turbo and converter at high loads :D

 

In felly, there's some hysteresis - you need around 2000RPM to initiate cutoff, but then it can go to 1500ish before it starts again. Not sure why it's programmed that way.

Edited by Papez

1 hour ago, Papez said:

but older two strokes with oil-petrol mix couldn't use engine brake

 

that some modern engines keep injecting some fuel to keep catalytic converter warm.

 Yes as an old 2 stroke rider i agree plus that was an "ace" for them when they racing against 4 stroke bikes because those in downshift a small bounche on the rear wheel.

 

In my TC-6 with 3-4-5th gear on when i release the acceleration pedal and let the car roll i see 00 on the lcd.

20 minutes ago, Papez said:

2000RPM to initiate cutoff, but then it can go to 1500ish before it starts again. Not sure why it's programmed that way.

For me it will initiate it at 1600rpm at a high grade incline and it will start back again at 1400ish. Also the fuel cut is abrupt. 

Also clutching the car just before it reinstates fuel will cause the rpm to bog down below idle 

Edited by Thefeliciahacker

11 hours ago, Thefeliciahacker said:

Also clutching the car just before it reinstates fuel will cause the rpm to bog down below idle 

It is a ECU firmware design problem. Compared to modern vehicles, the fuel cutoff on Felicia is not adaptable enough.

9 hours ago, RicardoM said:
21 hours ago, Thefeliciahacker said:

fuel will cause the rpm to bog down below idle 

It is a ECU firmware design problem. Compared to modern vehicles, the fuel cutoff on Felicia is not adaptable enough.

We should be glad it even has it 

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