Fuel Consumption

[MingZai]

hmmmm I've only hit VTEC once so far ever since my refuel... going to measure again once it hits the light.
BTW what do you mean my light footing? not stepping on the pedal yeah??
Too bad I have an INJEN CAI which makes me want to step down on it all the time..

[aaronng]

I used to drive around Eastern suburbs in Sydney and would hit redline going from 0 to the 90km/h limit once a day. Still got a fuel consumption of 10.5L/100km. Hitting vtec/redline once or twice a day doesn't drastically increase your fuel consumption because the time in which you are using full throttle is very short compared to the rest of the time when you are driving normally or idling in a traffic jam. I've also testing driving full throttle for 90 minutes on a race track, keeping the revs from 4000 up to 7000rpm and got about 27L/100km.

[[SDCTVE]]

so when does vtec actually engage in the k24???? I was under the impression that i-vtec technology is more gradual as vtec engages, kicks in earlier and you dont really notice or hear it as much.... i tried to search info on it but u can imagine how many results come up when i type the word 'vtec' in the search bar haha

[Fredoops]

6000 rpm

[MingZai]

^ thats right 6000 rpm. Well quick update... My fuel tank is 1/4 down and surprisingly it's already done 220 km .
I've hit VTEC once or twice and been driving it like a prius

[euRo_noob]

hmmmm I've only hit VTEC once so far ever since my refuel... going to measure again once it hits the light.
BTW what do you mean my light footing? not stepping on the pedal yeah??
Too bad I have an INJEN CAI which makes me want to step down on it all the time..

Yeah, I mean just easing off the pedal a lot and not really stepping on it hard. And don't worry, I know how you feel.. I have a Takeda SRI and I've also disconnected my muffler (just for sound as it's still a bit quiet in the lower RPM's with a stock exhaust) and I'm always tempted to step on it harder just for the louder sounds.

I used to drive around Eastern suburbs in Sydney and would hit redline going from 0 to the 90km/h limit once a day. Still got a fuel consumption of 10.5L/100km. Hitting vtec/redline once or twice a day doesn't drastically increase your fuel consumption because the time in which you are using full throttle is very short compared to the rest of the time when you are driving normally or idling in a traffic jam. I've also testing driving full throttle for 90 minutes on a race track, keeping the revs from 4000 up to 7000rpm and got about 27L/100km.

Whoa, 27L/100km, that's crazy.. But I guess that's what you're gonna be getting since you're at a track.
On Saturday, after my friend gave me a run in his EP3R (me as the passenger), I gave him a run in my Euro just to feel the difference (but obviously, mine no where near as fast as his). We both ran our cars for about 10mins of VTEC'ing each down empty streets and I thought my fuel consumption would've went up but luckily it stayed.

If mods do affect fuel consumption, I just have a Takeda SRI plus the disconnected muffler. I also run on BP Ultimate.

so when does vtec actually engage in the k24???? I was under the impression that i-vtec technology is more gradual as vtec engages, kicks in earlier and you dont really notice or hear it as much.... i tried to search info on it but u can imagine how many results come up when i type the word 'vtec' in the search bar haha

I thought it was around 5800 but I guess it's 6000rpm, I'll try pay more attention next time lol.

Also, could anyone please explain to me the difference between i-VTEC and VTEC? People ask me and I don't know who to ask lol. (You could PM me if this is getting off-topic. Thanks.)

[Jones Boy]

Just to throw another users experience into the mix. I have about 2000km on the clock and have averaged 7.8l/100km. This is a mixture of highway at 110km/h, freeway at 100km/h and around town in a ratio of around 50:40:10. Currently averaging 81km/h.

This is with some pretty spirited driving inbetween the highway clicks. I have had it as low as 6.5l/100km on just freeway driving stretches.

Cheers

[euRo_noob]

Just to throw another users experience into the mix. I have about 2000km on the clock and have averaged 7.8l/100km. This is a mixture of highway at 110km/h, freeway at 100km/h and around town in a ratio of around 50:40:10. Currently averaging 81km/h.

This is with some pretty spirited driving inbetween the highway clicks. I have had it as low as 6.5l/100km on just freeway driving stretches.

Cheers

Far, 7.8L/100km.. Saving heaps of money on fuel! I'm averaging like.. around 38km/h :\

[tron07]

my best FC... 5.1l/100km.... Pump petrol at Sutton Forrest Shell, reset and drove off, did it for around 90km distance doing 110km/h on cruise control on M5. photo taken in the 70km plus mark. Was trying to see if it drop to 5.0l/100km but hit traffic jam and slow to a crawl and FC went back up to 6.0l/100km before going smooth again.

[MingZai]

craazzyy ^

[richard_k]

ahh i wish the 03-05 euro had a proper trip computer

[chuboy]

I filled up with Caltex 95 for the first time last week. I have done a good 100kms so far on this tank to reach the same fuel tank level (driving style and conditions identical).

Trip computer agrees showing 9.1L/100km up from 8.4.

So there you have it.