AzScorpion
Moderator
- First Name
- Dave
- Joined
- Jul 25, 2019
- Threads
- 335
- Messages
- 26,261
- Reaction score
- 132,253
- Location
- Back Home In AZ!
- Vehicle(s)
- 2023 Ford Ranger Tremor
- Occupation
- Retired...Full Time Slacker
Is it worth using high octane fuel?as far as fuel mileage? The best I can get in my area is 90 octane
This has been beat to death on here. It does make the truck run much better running premium and some are getting a slight improvement in mpg, maybe 1. I was using 87 for almost a year and when I switched to 91 ( highest out here) I did notice a difference. Then I tuned mine and noticed a huge improvement and between the two I got about a 2 mpg (better) difference if I drive it normal.
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