Gas for Stinger GT2

Correction, Wawa ethanol free is 89 octane, there was a noticeable improvement in mileage when I started using it. If the octane thing bothers you put in half 93 octane and half ethanol free 89 and you will reduce amount of low energy unit ethanol by half. (89+93)/2=91
Interesting approach. Too much work, imho. I'll just do Costco Premium gas and call it good. :thumbup:
 
I believe there are 4 Wawa's within 10 miles of me... Plantation (south FL).
They're popping up all over the place. If you haven't yet, go inside and try a hogie.
Nice varieties. Any size cup of soda = $.99

Wanted to comment of which gas I use...
I owned a Genesis G80 Sport before trading on the Stinger.
I only used 87 Costco gas and never had any knocking, pinging or such,
but I drive very conservatively. I will only be using 87 octane in my Stinger too.
If I was a younger man that had a heavy foot, I'd probably fill up with 93.
Costco only sells 87 & 93, but they're both Top Tier.
 
I believe there are 4 Wawa's within 10 miles of me... Plantation (south FL).
They're popping up all over the place. If you haven't yet, go inside and try a hogie.
Nice varieties. Any size cup of soda = $.99

Wanted to comment of which gas I use...
I owned a Genesis G80 Sport before trading on the Stinger.
I only used 87 Costco gas and never had any knocking, pinging or such,
but I drive very conservatively. I will only be using 87 octane in my Stinger too.
If I was a younger man that had a heavy foot, I'd probably fill up with 93.
Costco only sells 87 & 93, but they're both Top Tier.

What’s your average mpg using 87 ocatane?
 
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