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General => The garage => Topic started by: sjw on 18 October 2019, 11:16
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In the US, the JB4 recommends 91 octane for Map 1, and 93 octane for Map 2. Does that translate into 95RON for Map 1 and 99RON (Super unleaded) for Map 2?
Thanks, and sorry if this has been covered before
Edited - f'ed up the original post.
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Run super unleaded using either map
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93 USA translates to 98 RON UK so run either Tesco 99 or V Power for both. You should never run 95 on a tuned car.
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Ok thanks. Just realised I butchered the original post. It should have read 91 octane for map 1, and 93 for map 2.
What I was really trying to deduce was, is our 98/99 RON over here good enough for Map 2? And if I happen across a petrol station that doesn't have 99RON, and only has 95, would I be able to use map 1, or should I revert to stock?