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93 octane in Myrtle Beach, SC?

3294 Views 10 Replies 7 Participants Last post by  hawkgfr
I'm headed to Mopar week in Myrtle Beach tomorrow and I'm running a 93 octane canned tune. I need to know if I need to tune down to 91 octane or not. Any help would be appreciated.
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i just come back from there, i hate myrtle beach, never going back there again,and yes there is 93 all over the place....
 

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Octane rating seems to be an altitude thing. I've been all over the country (I've literally driven through all 48 contiguous states) and it seems to be the high altitude areas, like Rocky Mountain states, that have 91 octane instead of 93, no doubt because the thinner air is less prone to spark knock.

I've been vacationing at Myrtle beach for over 25 years and love it. Best to avoid the Bike Weeks, though. Also, 93 octane is available all over in that area (low altitude).

Bill
 

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Yeah, I live an hour away. Everything is 93 around NC or SC. You will have trouble finding 91. One thing though, there are some gas stations in SC where you will see prices a good bit lower than others. These will be more percent ethanol (20%) than the others. I won't buy it.
 

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QT's have 93 in South Carolina......Most everyone has 92 or 93. (92 won't knock)
 
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