Brisoup1
Active Member
- Joined
- Jun 10, 2019
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That could be true, but older gas stations that have been running since the early 90's without pump/gas tank replacement very well could be mixing 87 & 93 fuel to make 89 octane at the delivery tanker.I'm pretty sure 89 is just 87 and 91 that is mixed at the pump. There's no seperate 89 tank.