MrFantasticallyNerdy@alien.topBtoMechanic Advice@gearhead.town•What issues can be caused by not putting 91 octane gas in a car that advises to do so?English
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1 year agoEveryone’s right about the minimum octane requirement as stated by the factory to mitigate knocking (bad) or a pull back in timing (resulting in no damage but lower performance).
However, there’s another advantage of using the highest octane fuel, which is cleaning additives. Fuels are pretty much generic, but additives are proprietary. The higher octane fuels generally have more of these proprietary additives, so using them can better ensure cleanliness within your engine.
100% agree. Here’s a link to Top Tier fuels.