Quote:
Originally Posted by 84Reasons
Probably too early and I'm not sure if I ever will be able to tell as when being mapped Gareth asked if I wanted to map it for 97 unleaded for a small gain , he reckoned it wouldn't be much difference but I thought might as well haha, so I've been using mainly 99 recently and only used 95 before so to hard to tell really!
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Years ago I tested MPG on a 3.0l Alfa GTV with normal and super and I definitely got better MPG from super unleaded, in fact the extra MPG covered the higher cost of Shell V-Power. Nowadays I still stick V-Power in but the differential in cost has grown so there's no way it balances out anymore.
But anyway, I think you'll find the remap has added a little extra weight to your right foot so even with higher octane fuel your MPG might drop a little!
