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      09-21-2020, 01:01 PM   #1
dragonsdreams
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Drives: i8
Join Date: Sep 2020
Location: Hitchin

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Worth using high octane fuel?

Hi folks, has anyone compared performance of the different octane rated petrol/ gas in their i8 and thinks it makes a difference?

I see in the UK that Tesco do a 99 RON fuel (Momentum 99) which is supposed to give about 6.5% increase in bhp and 14% better fuel economy over Tesco's standard unleaded...(Autocar)

When I had my Cayman I can't say I noticed any difference between standard RON 95 and Shell V power.🤔