Race fuel
09-26-2011, 05:10 PM
#1
Senior Member
Thread Starter
Race fuel
Hey
Guys need a bit of advise
Can we run 100 Ron in our E55 without a fuel map to that Ron?
My car is mapped to 97 Ron shell fuel, that the best fuel we use here in the UK .
Been told our ECU can run up 101 without any probs?
Thanks In advance
Acid
Guys need a bit of advise
Can we run 100 Ron in our E55 without a fuel map to that Ron?
My car is mapped to 97 Ron shell fuel, that the best fuel we use here in the UK .
Been told our ECU can run up 101 without any probs?
Thanks In advance
Acid
09-26-2011, 07:01 PM
#4
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2003 E55 & 2014 GL550
Clueless on the Ron thing but the car has to take time to adapt to whatever fuel you put into it. So if you are planning on heading to the track, gotta drive around for awhile with that higher RON fuel and let the car adapt to it. It's a good 20 miles plus.
09-26-2011, 07:01 PM
#5
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96 and 08 911 turbos
you won't gain anything. The car makes the most power on the lowest octane without detonation.
In addition, certain race fuels (usually 100 r+m/2 and above), have a different stoich a/f ratio, meaning without the right tune, you are again giving up power.
In addition, certain race fuels (usually 100 r+m/2 and above), have a different stoich a/f ratio, meaning without the right tune, you are again giving up power.
09-26-2011, 07:05 PM
#6
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96 and 08 911 turbos
The car does not adapt. It is not magic, and it cannot read what the pump says.
The only way the car will adapt is if it is detonating, it will pull timing. If it is pulling timing on 93, then you will notice the car is stronger on 95+.
Aside from that, the car will not advance the timing or alter the A/F ratio.
09-27-2011, 06:23 AM
#7
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2004 E55,1969 300SEL6.3,2011 ML350 BlueTec Diesel,2005 ML400 CDI
absolute nonsense.
The car does not adapt. It is not magic, and it cannot read what the pump says.
The only way the car will adapt is if it is detonating, it will pull timing. If it is pulling timing on 93, then you will notice the car is stronger on 95+.
Aside from that, the car will not advance the timing or alter the A/F ratio.
The car does not adapt. It is not magic, and it cannot read what the pump says.
The only way the car will adapt is if it is detonating, it will pull timing. If it is pulling timing on 93, then you will notice the car is stronger on 95+.
Aside from that, the car will not advance the timing or alter the A/F ratio.
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09-27-2011, 07:36 AM
#8
Super Member
Brabus786, BP sell 103 octain stuff at a very high price in the UK at certain filling stations, never tried it, but people say it makes no differance at all.
09-27-2011, 05:07 PM
#10
Senior Member
Thread Starter
Hey
The one I want to try is the shell 100 csc which is only in the UK. But it is 25litre for £88 ,
I will do a test you both fuels on the dyno in the future and keep you all updated .
Acid
The one I want to try is the shell 100 csc which is only in the UK. But it is 25litre for £88 ,
I will do a test you both fuels on the dyno in the future and keep you all updated .
Acid
