Using 86 octane versus 88 octane versus 90 octane in a 2.3 ford ranger ecoboost

[Ranger #1]

Hey Blowndodge thanks for your opinion, so if I filled my tank half way with 86 and half of 88 is that's ok correct, to achieve 87 octane! right??? Or do I need to burn all of one or the other and have a full tank of the same octane, he'll gas prices here in New Mexico is 2.59 for 86 and 3.05 for 88 that's alot of coun out of your pocket!!

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[Blowndodge]

Hey Blowndodge thanks for your opinion, so if I filled my tank half way with 86 and half of 88 is that's ok correct, to achieve 87 octane! right??? Or do I need to burn all of one or the other and have a full tank of the same octane, he'll gas prices here in New Mexico is 2.59 for 86 and 3.05 for 88 that's alot of coun out of your pocket!!

Mixing 86 with 88 will bring no problems. It's fine. Will it be exactly 87? It will be close enough.