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Premium Member
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2,710 Posts
Discussion Starter #1
CLick on the link below - it's quite interesting.
Several times people have asked if its worth using SHell Optimax or BP Ultimate over supermarket fuel. It was generally decided that it made no difference to a normally powered family car. This backs that up!



YouTube - Facts about high octane petrol
 

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Premium Member
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186 Posts
I saw this quite a while ago on 5th gear.
Good bit of info, but it's just about power. I'd really like to find out whether the claims about cleaning of the engine and the emissions, are true or not.
 
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