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Better FC from 95?

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Old 13-02-2018, 11:46 AM   #1
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Better FC from 95?

My car is rated for 98 gas, when I just bought I pump 95 but after like 2 months I switch to 98. When I was on 95 my FC was 13.5km/l on average however when I switched to 98 my FC was 12.6km/l.

I drive a stick shift but don't have a heavy right foot. I seldom zua my car. Is it suppose to be liddat or...

If I decarbon will I get better FC?
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Old 13-02-2018, 11:50 AM   #2
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Maybe the higher ron burns faster.
I got poorer fc using vpower as compared to 98.
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Old 13-02-2018, 12:06 PM   #3
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If you put 95 octane fuel in an engine which specifies 98 octane fuel, it will not cause you any major issues on an electronic fuel injected engine because it has a device known as a knock sensor which will pull timing to prevent engine knock(BAD.....). But it is better to stick with what your car manufacture recommended rather than rely on the knock sensor to kick in. Cheers
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Old 13-02-2018, 02:12 PM   #4
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My car is rated for 98 gas, when I just bought I pump 95 but after like 2 months I switch to 98. When I was on 95 my FC was 13.5km/l on average however when I switched to 98 my FC was 12.6km/l.

I drive a stick shift but don't have a heavy right foot. I seldom zua my car. Is it suppose to be liddat or...

If I decarbon will I get better FC?
Seriously, how did u calculate that difference and did you drive the same route with the same amount of traffic flow everyday?

1km/litre nia.
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Old 13-02-2018, 02:27 PM   #5
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My car will show the FC. Yes, I take the same highway daily.

1km add up is about 50km more range leh

Seriously, how did u calculate that difference and did you drive the same route with the same amount of traffic flow everyday?

1km/litre nia.
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Old 13-02-2018, 02:33 PM   #6
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wow ts... so for your car, the lower the octane the higher the km/l? have u tried 92?

btw what brand and model r u driving?
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Old 13-02-2018, 02:39 PM   #7
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Swift sport?
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Old 13-02-2018, 02:51 PM   #8
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Swift sport?
Yah! lol
wow ts... so for your car, the lower the octane the higher the km/l? have u tried 92?

btw what brand and model r u driving?
I scared pump 92 the engine explode lol
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Old 13-02-2018, 03:25 PM   #9
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Not pumping what your car requires, yes of course your car still can move. But, your engine may have knocking which you wont know unless you have a tuner beside you. And your car wont be able to utilize its real power.
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Old 13-02-2018, 03:27 PM   #10
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Yah! lol


I scared pump 92 the engine explode lol
may be the fc will improve by another 15%...
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Old 13-02-2018, 03:32 PM   #11
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Use 2nd gear drive expressway all the way at 90kph. Free carbon clearing lol.
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Old 13-02-2018, 06:43 PM   #12
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Yah! lol


I scared pump 92 the engine explode lol
At least 95, the fuel cap stated, 98(95), not many parts of the world have 98. Anyway, no harm using, as many swift sport owners are using, including myself.
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Old 13-02-2018, 07:39 PM   #13
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Use 2nd gear drive expressway all the way at 90kph. Free carbon clearing lol.
will overheat engine bo?
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Old 13-02-2018, 08:09 PM   #14
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Use 2nd gear drive expressway all the way at 90kph. Free carbon clearing lol.
I'm learning something new everyday...
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Old 13-02-2018, 11:57 PM   #15
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try to drive more with 98. your ecu need time to relearn.
if you want it relearn faster then reset the ecu (you can unplug the battery cable for 5min)
when relearning don't WOT, you need to drive in "open loop" in order for the ecu to learn
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