Just stick to one as you want see much deifference between them but will from 95 to any 99
Switching to super unleaded
- Thread starter Gingerbread Man
- Start date
Just stick to one as you want see much deifference between them but will from 95 to any 99
well to make it as simpler choice as that then I'd choose the tesco stuff as its quite local within 1.5 miles there abouts. Perhaps if I feel adventurous after maybe 8 weeks I could try v power but I don't think there's a shell anywhere local to me
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When I had my fast Leons I found Sainsburys or any other poor mans super 97ron to be very poor. The best was Tesco 99 or V-Power 99 ron Shell.
97 ron is a waste of money as you can get a lot better for the same hike in price. My cars didnt like 97 ron, it felt flat. Give it 99 and it smiled.
97 ron is a waste of money as you can get a lot better for the same hike in price. My cars didnt like 97 ron, it felt flat. Give it 99 and it smiled.
I expect my fuel light to come on today on my journey to the next town for work then when I'm paid Thursday I'll be filling up
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Living dangously lol the needle kept hanging at only just above the very bottom, this makes it look not so bad for some reason
£72 lighter after filling up
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I had to put 95 in once as I had nearly run out in the middle of nowhere and my LCR felt like it was broken. It was lumpy and didn't feel as smooth pulling away. After that I only put 99 in. One bad tank in 4 years isn't that bad. Definitely put 99 or minimum 97 in, these car just don't like ordinary noddy petrol.
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That must bar because your cars engine was used to 99ron petrol my lcr runs fine on 95ron. Bit concerned about trying super plus if it will run funny back on normal stuff as my local garage is morrisons and they don't sell super plus! I don't want to drive miles just to get super plus.
If you've always run it on 95 if it will feel fine to you because you don't know any different. You can't cause any permanent effect from the engine from going back and forth between different octanes. The knock sensor is constantly reading what fuel is going down the lines (which is why advice to go through a few full tanks is nonsense).
I have no idea why garage sell 97 RON stuff because all cars designed to run better with higher octane stipulate 98 minimum.
I have no idea why garage sell 97 RON stuff because all cars designed to run better with higher octane stipulate 98 minimum.
ThatWayneBloke
Guest
So 99 ron gives increases ignitability (if that's not a word it should be). I've just bought a mapped LC. After the first tank of fuel (bought with half a tank) had gone, I refilled using 95 Ron. Then it's started missing and running rough, fault codes show it's missing on cylinder 2. Could 95 cause a misfire on just one cylinder?
114 miles on trip clock, approx 1/3 tank used and I think she's feeling some benefits, feels nicer and the torque I think feels better over all and I think the mpg may be increased a little too. Had a little blast to 100mph and she still wanted to pull and was sat somewhere near 4k revs. Comment from the Mrs 'your not doing 100mph are you?' and I was like 'nope just under' backing of the throttle lol. I think getting this stuff does add a mild performance boost, not loads but it doesn't feel like it runs out of breath quite so quickly and in a straight line certainly is quite a quick car, fastest iv after used
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You sure? I dont think the knock sensor is doing anything when the cars running normally (stock map), fuelings sorted by the 02 sensor? Once the cars adapted to 95 it wont try to run based on higher fueling parameters otherwise it would be running at levels of detonation everytime you started it before the knock sensor retards everything.
Unless you reset the ecu it'll assume its 95 and slowly climb back up to higher levels.
Thats what i was told anyway
same as I was told. It takes a while to adapt to the new fuel,.
I was also told that disconnecting both battery terminals and touching them together resets the ECU and adapts everything once reconnected.
I was also told that disconnecting both battery terminals and touching them together resets the ECU and adapts everything once reconnected.
The car can use the extra burn the 99 gives straight away and will adjust the timing to suit via the knock sensor, immediately, no waiting for a tank or two.
So that means my next tank will in theory last about the same amount of miles? Maybe more with less high speed runs lol
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