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Old 07-04-2013, 01:09 PM   #15
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Just keep on using whatever your using Tyler. Clean tips are what you want.
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Old 07-04-2013, 01:41 PM   #16

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93. Valero has it with no ethanol here.
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Old 07-04-2013, 02:01 PM   #17
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I use PetroCanada 94 as well, and don't have much black soot in the tail pipes, either.

Good to know that Chevron sells 94 in British Columbia, as I'll be taking my ZL1 there in August.

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Old 07-04-2013, 03:02 PM   #18
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93 here even though there is only one station that sells it in this whole dang area the rest are 91.
ADM built 2013 Triple Black ZL-1 Convertible M6
ADM custom cam, LPE stage 2 heads with dual valve springs, LS-3 ported throttle body, LPE 2 piece pulley, LPE overdrive balancer, 10% overdrive pulley, ported supercharger inlet, ADM race intake system, stainless works 1-7/8 headers, Injector Dynamics injectors, ADM heat exchanger, ADM dual fuel pump system, ADM exhaust switch, ADM 3 tunes tuning package.
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Old 07-04-2013, 03:15 PM   #19
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94 Petro Canada with Torco additive
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Old 07-04-2013, 03:55 PM   #20

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95, made with 91 and 15 oz of Torco. In CA. Running 5% over and CAI.
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Old 07-04-2013, 04:13 PM   #21
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Shell 91 octane
2013 M6 ZL1.. Mods- Roto-Fab CF Intake, Ported and Polish LS7 TB and Snout, 2.55" Upper Pulley, 100mm Idler Pulley, Solid Isolator, Afco Heat Exchanger with fans, ID850 fuel injectors, SW 2" LT Headers With High Flow Cats, and CMS 91 Octane tune.. 579.8rwhp and 537.4rwtq
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Old 07-04-2013, 04:31 PM   #22
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There is one station in my area that has ethanol free fuel, should I be using
That as much as possible???
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Old 07-04-2013, 07:46 PM   #23

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93 is the highest we have at most pumps. depending if your exhaust fuse is in or out changes which tailpipes get sooted
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Old 07-06-2013, 05:36 PM   #24
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So I can assume that there is absolutely no problem running 91. The book says 91 recommended but 93 for best performance. Easy to find 94 in Calgary at Petro Canada (Sunoco for the American peeps) but I travel to Radium Hot Springs, British Columbia a lot and there is nothing out there with an octane rating above 91. I can make it there and back on a tank now but after break in I'm not so sure. I may have to put in some fuel there at some point. Hence the thread I made to ask everyone what issues if any they have encountered by using 91 octane premium. There is an Esso and a Petro Canada there. Those are my choices. Both stations are "Top Tier" approved so maybe I'm worried for nothing. I want nothing but the best for this car. My bud has a 2013 GT500 who has ran 91 octane in since new. His book also stats that 91 octane fuel is fine but for best performance us 93 or higher. I had him try the Petro Ultra94. His feedback was that the car ran great but the fuel economy dropped quite noticeably. I thought higher octane would provide best performance and best economy. I thought it would be the other way around but apparently the economy was better for him on 91. The fuel economy monitors is quite accurate I assume so I believe him. Neither of us care about fuel economy but it's nice to know what's happening. He did report no soot in his pipes while on the 94 also.
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Old 07-06-2013, 08:28 PM   #25

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93 always, Chevron is my preference followed by Shell, Texaco. After that I just don't buy gas.
Check out Alabama Camaros, for Camaro enthusiasts all around Alabama
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Old 07-06-2013, 08:38 PM   #26
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I found a shall that offered racing fuel! Is it safe to use in a SC SS?

BTW im located in nor cali..

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Old 07-06-2013, 10:59 PM   #27

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93 Here near Savannah GA, I usually fill at a Kroger Gas Station but wherever I fill I always make sure that their filling tanks inlets are raised up enough that they don't get water in them when it rains.
Life is too short to drive cars that suck.
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Old 07-07-2013, 12:42 AM   #28
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91...i can get 93 but don't care to right now....
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