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    What fuel is best?

    I just read on a recent topic that shell v power is good for reducing the carbon on piston heads. I've always used this up until recently as shell garages are becoming harder to find where I live, my nearest is about 20 miles away ! I've often wondered how much difference it makes using high...
    • Adam Trophy 37
    • Thread
    • 182 carbon cleaning clio engine fuel injector lambda manifold motorsport mpg performance petrol piston racing road standard track trophy
    • Replies: 13
    • Forum: Clio Trophy Discussion
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