Thread: Does octane boost help the 6.1 Hemi?
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Old 06-25-2008, 04:22 PM
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Re: Does octane boost help the 6.1 Hemi?
i use 93 because where i live 91 is not an option. I have used 92 and 91 before when on a road trip because that was their premium grade. I didn't notice any difference at all. I believe its because if you put somethin higher than 91, the computer has to adjust the timing to go back to 91
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