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So, on my fuel cap (European version) I have: 98 octane petrol! Problem: in my contry I have only 95 octane (regular) and 100, 100+ octane (no 98). The price
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#1 (permalink) |
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So, on my fuel cap (European version) I have: 98 octane petrol!
Problem: in my contry I have only 95 octane (regular) and 100, 100+ octane (no 98). The price difference between 95 and 100 is almost 10%. What would happen if I use 95 octane?
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The ECU will modulate for the given fuel type. No worries. I use 98 or 102 here in Germany. Drive on and have fun. You wont really notice a difference in performance. The recommended fuel gives you optimal performance. The car will still run ok with 95.
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You have a high performance engine: the 10% fuel premium should not be financially strapping: if it is you got the wrong car. Give the car the fuel it was designed to run with. ![]() - b |
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#5 (permalink) |
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technically speaking a higher octane will not give you better performance unless you run a very aggressive ECU setting or engine is heavily modded (very high lift/ very long duration) and much higher compression ratios.
But then, you will need racegas, 100oct will definitely not be enough for such applications.
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