WebFor the WRX model, the Owner’s Manual states: “The engine is designed to operate using unleaded gasoline with an octane rating of 91 or higher.” However, fuel with an octane rating of 87 or higher can be used with no detriment to engine durability. You may notice some slight degradation in performance using a lower octane fuel, but the ... WebUse of unleaded gasoline with an octane rating lower than what is listed for your model year vehicle could potentially result in engine knocking. If the octane rating used is less than required, damage to the engine may occur and which could void the vehicle warranty.
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Web10% ethanol can be added to mineral gasoline to give either 95 RON or 97/98 RON fuels. In reality, because of the higher octane number of ethanol it is useful as a blend component to achieve the higher research octane … WebNov 4, 2024 · If your car says “premium fuel required” and the owner’s manual specifies 91 or 93 octane, then you should always fuel up with the good stuff. Back in the day, using … imperial locks willenhall
Should You Use Premium Gas? - Kelley Blue Book
WebSep 21, 2024 · Rob Maetzig 12:24, Sep 21 2024. Mytchall Bransgrove/Stuff. The answer is yes and no if you need to put 91 octane petrol in your 95 octane vehicle. We all know that thanks to the actions … WebMay 19, 2024 · Can I Use A Higher Octane Fuel Than Recommended? It can’t hurt your engine if you use a higher octane fuel. So, for example, if you use 95 or 98 in an engine designed for 91, that’s OK. However, it’s not acceptable to put in a lower octane fuel than the minimum recommended by the manufacturer. Using 91 in an engine designed for 95 … imperial locks uk