Higher octane fuel resists engine knock under compression — it is not a cleaner or more powerful fuel for all vehicles. Modern knock sensors in post-2000 engines automatically compensate for ...

We may receive a commission on purchases made from links. Engine knock, wherein fuel ignites unevenly along the cylinder wall resulting in damaging percussive shockwaves, is an issue that automakers ...

The difference between 87- and 89-octane is subtle. Midgrade gas came around at a time when it was needed, but it has since ...

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View post: Amazon Is Selling a Pair of 'Extremely Bright' Rechargeable Flashlights for Just $14 There have been some question about what happens if you put regular gas in the tank and whether that ...