10-04-2015, 08:46 AM | #1 |
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Fuel/Petrol/Gas/98
Back in the day, had a work colleague with a fully worked R34 who swore by filling up only at shell. Recently family member bought a cayenne gts, dealer said fill with only shell 98. I use 98 but fill up where ever, caltex or BP typically.
Is a 98 a 98 or is shell really superior? What do you all use/recommend? P.S. talking about 98 RON |
10-04-2015, 03:48 PM | #2 |
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Back in the days Shell used to be the better fuel, not anymore. The Caltex / BP are the better fuel now. The Shell 98 formula now has a yellow dye in it which over time forms like a blanket in your fuel tank. BP/Caltex which is the same fuel from the same refinery is a better option as they don't use any dyes. As a motorcycle mechanic I see this on a daily bases who uses what, and trust me bikes are more sensitive when it comes to 98 fuels.
In saying this I will not be able to guaranty that any fuel will be clean... in January this year BP admitted of an mistake made at the refinery with the 98 formula which by mistake was added 20% ethanol. You may remember this as it was on the news with all the Porches and other sports cars all broken done within 1km from the stations Number one rule is to make sure you fill up from bigger stations which are on main roads, they tend to re-fill the 98 stock up much quicker than smaller stations which means fresher fuel. Remember that smaller stations usually are stocked up with older batches in which case you are better off with fresh 91 since a batch of 30 day old 98 is probably weak as |
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10-04-2015, 06:10 PM | #3 |
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This can be a bit of a religious argument...
My experience, with bikes (BMW's too...) was that I found that if I didn't ride for a few weeks after filling up with the 'newer' fuels - 98 from BP or Shell - which have additives in them the fuel would go 'stale' very quickly. Not sure of the actual chemistry but as the previous poster mentioned, bikes have a much lower tolerance for bad fuel than cars. I was having issues with power and starting. The BMW dealer mentioned it may be fuel - I've since had this confirmed by a few motorcycle guys. So to your point - I don't think its necessarily the brand but the 'freshness' of the fuel and how regularly you drive. |
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10-04-2015, 08:44 PM | #4 |
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Who do you ride with chromedome?
Come riding with us Go to my website www.ozracing.biz and at the bottom right of the page enter my forum and join. I do regular rides almost every Sunday weather permitting |
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10-05-2015, 02:27 AM | #5 | |
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I don't recall about the fuel mix up, did they pay comp. for any damage caused? |
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10-05-2015, 02:51 AM | #7 |
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11-27-2015, 02:59 PM | #9 | |
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If you use a good quality oil like Mobile 1 then once a year as per schedule or 10000km should be ok, if you do track days like me then I am very anal about it and do an oil change after every track day |
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11-27-2015, 11:16 PM | #10 |
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What oil do they use when the car is serviced?
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11-29-2015, 08:54 AM | #12 |
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As stated above, stick to factory service intervals. If you track hard then an oil change shortly after is good insurance.
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