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V-Max 99Ron in my John Cooper?


Riz
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Just a quicky folks.... If using the Shell V-Max 99Ron fuel in my John Cooper cause any damage? or make mpg worse?

My cuz says that becauses the car isnt designed to use 99Ron it wont make any difference, infact mpg will be down as the V-Max fuel requires to be burnt at a higher temp?

Riz confused.gif

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My car has a sticker saying it'll accept 91RON to 98RON.

Optimax always worked well but when I switched to VPower the MPG fell straight away from an average of 24MPG to just over 20MPG. Didn't seem as smooth or refined either.

I'm now trying Tesco 99. The engine seems to like it better, but I don't think the MPG is as good as Optimax was.

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[ QUOTE ]

I run it in my ERA turbo with lead substitute and it goes pretty well. Def won't harm the car - although your mini prob has a much more sophisticated ecu than mine!!! [/quote

ERA turbo? ECU??? You have yourself a real man's fuel system in that, an SU carb laugh.gif

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