GTV Fuel? - Alfa Romeo Forum
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benjy GTV
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GTV Fuel?

Hi, I have a '97 GTV, 2.0TS Lusso - should I use 95RON or Super Unleaded/Optimax type fuel - I'm using '95RON at the moment. What would you recommend, and how big is the performance gap?
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Super Unleaded, I would have thought. The more RON the better (ie Optimax is good).
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Your motor should run okay on 95 RON - it's higher octane rating than most of Europe uses.

Some people say they get smoother running or better mpg using 98 RON (your Super Unleaded's and Optimaxes) and EVO magazine saw that it did keep the valves cleaner but then it costs more, so if you're interested, give it a try and then decide if it's worth it for you.

Only thing is use it for a few consecutive tankfuls (5 maybe) as the engine mapping will always look for maximum advance and it takes time for it to get used to the new petrol.

Ralf S.

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