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Old Jun 23, 2016 | 08:43 PM
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Default What octane

In my area I have a choice between non-ethanol 87 and 10% ethanol 93 I am thinking the 87 with octane booster? The original owner said he only ran 87 with ethanol....

2002 no mods automatic
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Old Jun 23, 2016 | 08:50 PM
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I only run 92 or 93. Usually Mobil. A bottle of techron every couple of tanks. 02 no mods.
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Old Jun 23, 2016 | 08:50 PM
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92 or 93 only if it was mine !!!
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Old Jun 23, 2016 | 08:53 PM
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Thanks for the input...what does the techron do?
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Old Jun 23, 2016 | 08:57 PM
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Originally Posted by C5blk
Thanks for the input...what does the techron do?
Fuel system cleaner. Prevents fuel gauge float issues as well.
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Old Jun 23, 2016 | 09:00 PM
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Car will be getting a dose of techron with 93 this weekend...this will be the first time I have put gas in it since I bought it about a month ago
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Old Jun 23, 2016 | 09:00 PM
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Originally Posted by akapounder
92 or 93 only if it was mine !!!
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Old Jun 23, 2016 | 09:01 PM
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93 here
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Old Jun 23, 2016 | 09:04 PM
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93 for me as well
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Old Jun 23, 2016 | 09:07 PM
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Nothing but 93 octane for me and a bottle of techron twice per year.
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Old Jun 23, 2016 | 09:10 PM
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91 no ethanol here...bottle of Techron after out of state trips when I have to buy ethanol fuel...
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Old Jun 23, 2016 | 09:41 PM
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87 ? really?
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Old Jun 23, 2016 | 09:52 PM
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93 only, techron added every couple of months. We only have ethanol fuel here. Take care!
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Old Jun 23, 2016 | 10:08 PM
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I know 87 is what he claimed to use, when I bought the car it had a full tank of gas and I drove it 2 hours home, no problems that I could tell.

I will be using 93 as suggested.

Thanks for all the feedback
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Old Jun 23, 2016 | 10:27 PM
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Run the 10% ethanol 93. Your car will like it better.
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Old Jun 24, 2016 | 07:02 AM
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Originally Posted by Vetteman Jack
Run the 10% ethanol 93. Your car will like it better.
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Old Jun 24, 2016 | 07:29 AM
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Like everyone else said; 93 only! If you are worried about a couple of bucks a tankful then sell the Vette and get a Kia.
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To What octane

Old Jun 24, 2016 | 08:43 AM
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I use Shell 93 typically as in the Regional area we do not have Ethanol free. Talking with several gas industry reps they explained the 10% is arbitrary as most gas at the pump has typical 5% to 8% blends. Ethanol is not bad for the engines of today, they are built to use those fuels but the Government wants to move the industry toward higher % for so called cleaner emissions. I am not a fan of higher % as there can be problems with older engines and pumps.
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Old Jun 24, 2016 | 09:44 AM
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Ethanol fuel makes more power so enjoy it. Every once in a while run some cleaner through and call it a day. The truth is ethanol causes issues with fuel systems that sit for long periods of time but if your car is in regular use it will not cause any adverse effects. Even with non ethanol fuel you will still need to clean the fuel system from time to time.
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Old Jun 24, 2016 | 09:51 AM
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93 with cam only. When im done with turbo build ill continue to use 93
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