fellsteruk Posted August 7, 2013 Share Posted August 7, 2013 (edited) Hi guys need some help as I think I am going mad... So I have been using super/premium unleaded in the zed and last time I filled up I was sure it said 98 octane but today in esso theirs was 97, so I went on a little drive and all the supermarkets and bp was selling 97. Have I imagined this 98 fuel? Who bloody sells it? Wait something is telling me you can buy 99 am I off my head? Edited August 10, 2013 by fellsteruk Quote Link to comment Share on other sites More sharing options...
The Chubby Ninja Posted August 7, 2013 Share Posted August 7, 2013 tescos sell 99 Quote Link to comment Share on other sites More sharing options...
OsakaBen Posted August 7, 2013 Share Posted August 7, 2013 Tesco an shell supreme is 99, esso 97, bp 98 Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted August 7, 2013 Share Posted August 7, 2013 97/98/99 there is feck all difference mate..... Quote Link to comment Share on other sites More sharing options...
KyleR Posted August 7, 2013 Share Posted August 7, 2013 Tesco an shell supreme is 99, esso 97, bp 98 BP is 97 Quote Link to comment Share on other sites More sharing options...
fellsteruk Posted August 7, 2013 Author Share Posted August 7, 2013 97/98/99 there is feck all difference mate..... Just the price... Lol To be honest I put diesel in my everyday car so use to paying 1.50/litre so the few extra pence doesn't bother me but I serious thought I have imaged it... Am half crazy anyway, I think nismo badges are cool, need I say any,ore Thanks for the posts Quote Link to comment Share on other sites More sharing options...
DoogyRev Posted August 7, 2013 Share Posted August 7, 2013 Shell (Canada) 102 RON Quote Link to comment Share on other sites More sharing options...
fellsteruk Posted August 7, 2013 Author Share Posted August 7, 2013 Shell (Canada) 102 RON Bet the zed loves that Quote Link to comment Share on other sites More sharing options...
DoogyRev Posted August 7, 2013 Share Posted August 7, 2013 Shell (Canada) 102 RON Bet the zed loves that It would do if I had one Quote Link to comment Share on other sites More sharing options...
Wasso Posted August 7, 2013 Share Posted August 7, 2013 Shell (Canada) 102 RON Bet the zed loves that It would do if I had one Yeah Jim when are we going to see a Zed on your driveway? Quote Link to comment Share on other sites More sharing options...
DoogyRev Posted August 7, 2013 Share Posted August 7, 2013 Shell (Canada) 102 RON Bet the zed loves that It would do if I had one Yeah Jim when are we going to see a Zed on your driveway? When you give me $60k for a new one (i'm working on it ) Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted August 8, 2013 Share Posted August 8, 2013 I think he will end up getting something cooler than a Zed Quote Link to comment Share on other sites More sharing options...
DoogyRev Posted August 8, 2013 Share Posted August 8, 2013 I think he will end up getting something cooler than a Zed P.S First time I used that smiley Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted August 8, 2013 Share Posted August 8, 2013 I think he will end up getting something cooler than a Zed P.S First time I used that smiley Not relevant but I don't think I have used that one before..... Anyway I say Stang > Zed Quote Link to comment Share on other sites More sharing options...
wmr1980 Posted August 8, 2013 Share Posted August 8, 2013 I always thought the MON rating was more important than the RON rating. However, they never really tell us what the quality of their fuels are - but since they are all ISO / BS standards I guess that they have to sell them at that quality. Quote Link to comment Share on other sites More sharing options...
Terence Bower Posted August 8, 2013 Share Posted August 8, 2013 Germany has 102 in just about every fuel station! Quote Link to comment Share on other sites More sharing options...
A9H-RX Posted August 8, 2013 Share Posted August 8, 2013 Am told Tesco 99 isn't actually 99 octain and contains a lot of chemicals? V-Power is way to go, 98 mostly but can be 99 in some garages Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted August 8, 2013 Share Posted August 8, 2013 You can always use octain booster. There is a product called Rooster Booster we used to use in our racing cars. Quote Link to comment Share on other sites More sharing options...
wmr1980 Posted August 8, 2013 Share Posted August 8, 2013 Is it cost effective? And does it make much of a difference? I know on FI cars with a remap octane boosters have shown to make a marked improvement, but on an untuned unmapped car does it make a tangible difference? Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted August 8, 2013 Share Posted August 8, 2013 Its not cheap save it for special occasions like a meet, or just every second tank full. Yes there is a noticeable difference in "grunt". Quote Link to comment Share on other sites More sharing options...
wmr1980 Posted August 8, 2013 Share Posted August 8, 2013 Interesting, thanks for the info. Quote Link to comment Share on other sites More sharing options...
A9H-RX Posted August 8, 2013 Share Posted August 8, 2013 (edited) Is it cost effective? And does it make much of a difference? I know on FI cars with a remap octane boosters have shown to make a marked improvement, but on an untuned unmapped car does it make a tangible difference? Using high octain improves MPG as well as small margins of performance unless FI in some cases.. Its a cleaner fuel as well so helps maintain the engine.. I use high octain as normal fuel for all my cars unless I'm driving diesel or not so sporty car.. Edited August 8, 2013 by A9H-RX Quote Link to comment Share on other sites More sharing options...
Lincolnbaggie Posted August 8, 2013 Share Posted August 8, 2013 Sorry to be pedantic everyone, but it's octane, not octain Quote Link to comment Share on other sites More sharing options...
Shenley Posted August 8, 2013 Share Posted August 8, 2013 However, during the war.......... http://www.rsc.org/AboutUs/News/PressReleases/2009/SpitfireFuel.asp To quote a famous brand "every little helps" Quote Link to comment Share on other sites More sharing options...
KyleR Posted August 8, 2013 Share Posted August 8, 2013 ^^ Thats American numbers which by default are lower than ours. I think they're 91 is similar to our super (about 98) so the 100 mentioned in that link would be like 110 octane, which is why there was such a difference in the plane. As for using super, it's not all about an extra pony or two or extra MPG, it's about detonation of the fuel in the chamber at X temperature. Different levels of fuel detonate at different temperatures, our cars from the factory are mapped to detonate at whatever temperature 98 RON does, and therefore running lower levels (and possibly significantly higher) causes the air/fuel mixture to ignite at the wrong point in the revolution and can destroy the engine. Thats how I read the situation anyway... 1 Quote Link to comment Share on other sites More sharing options...
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