Hypothetical tune question - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 13 Old 02-28-2013, 11:35 AM Thread Starter
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Hypothetical tune question

Yesterday I stopped at 2 different Shells to gas up and both didn't have premium gas so I fueled up elsewhere. I have a 93 octane tune from Jannetty...so my question is,If no one has 93 octane,do I return to stock tune until I get 93 octane or, do I get a lower octane tune?

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post #2 of 13 Old 02-28-2013, 01:10 PM
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don't use Shell gas... it's crap.. .tends to cause a lot of knock retard...

I did a custom tune for a guy about a month ago, he works for shell, and said HE wouldn't even use their gas, heh...

mobil, exxon, sunoco, amoco, bp, chevron are good brands that tend to yield good results...
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post #3 of 13 Old 02-28-2013, 02:25 PM
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Quote:
Originally Posted by 06MonteSS View Post
don't use Shell gas... it's crap.. .tends to cause a lot of knock retard...

I did a custom tune for a guy about a month ago, he works for shell, and said HE wouldn't even use their gas, heh...

mobil, exxon, sunoco, amoco, bp, chevron are good brands that tend to yield good results...
wut about hess?

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post #4 of 13 Old 03-01-2013, 10:46 AM Thread Starter
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Quote:
Originally Posted by 06MonteSS View Post
don't use Shell gas... it's crap.. .tends to cause a lot of knock retard...

I did a custom tune for a guy about a month ago, he works for shell, and said HE wouldn't even use their gas, heh...

mobil, exxon, sunoco, amoco, bp, chevron are good brands that tend to yield good results...
Wow had no idea...thanks. I thought most were using Shell.

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post #5 of 13 Old 03-01-2013, 04:03 PM
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i heard Hess gas is good to use

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post #6 of 13 Old 03-01-2013, 05:01 PM
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I've always used Shell V Power 93 oct and never had a problem. Trouble is that fuel is made at different refineries around the country so your staement about a "brand" being good or bad is not always true. I have tried them all over the last 39k miles and had the best proven performace with Shell in TEXAS. Proof is in the fuse pull, when it doen't change the way your car performs then you know that the fuel tables are at their best with that fuel.


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post #7 of 13 Old 03-02-2013, 08:45 AM
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I've always used Shell V Power 93 oct and never had a problem. Trouble is that fuel is made at different refineries around the country so your staement about a "brand" being good or bad is not always true. I have tried them all over the last 39k miles and had the best proven performace with Shell in TEXAS. Proof is in the fuse pull, when it doen't change the way your car performs then you know that the fuel tables are at their best with that fuel.
+1, never had any problems with Shell. When I was data logging for Ted to get my 93 tune there was minimal KR of 1 or 2 degrees before tuning and it was 91 Cali gas!

My bikes all run best on Shell as well with Chevron a close second...

OP, you can always use some high quality octane booster in the meantime. I have to use it constantly as I run the 93 tune for more performance on my SC and I can only get 91 here in Cali... I use Lucas (10026) primarily tho Torco is very good as well...

If it can handle my boosted application it can surely handle yours....

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post #8 of 13 Old 03-03-2013, 07:43 PM Thread Starter
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+1, never had any problems with Shell. When I was data logging for Ted to get my 93 tune there was minimal KR of 1 or 2 degrees before tuning and it was 91 Cali gas!

My bikes all run best on Shell as well with Chevron a close second...

OP, you can always use some high quality octane booster in the meantime. I have to use it constantly as I run the 93 tune for more performance on my SC and I can only get 91 here in Cali... I use Lucas (10026) primarily tho Torco is very good as well...

If it can handle my boosted application it can surely handle yours....
Octane booster? Never came to mind...great post ,thanks.

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post #9 of 13 Old 03-04-2013, 07:30 AM
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Octane booster? Never came to mind...great post ,thanks.

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post #10 of 13 Old 03-04-2013, 09:25 AM
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GM and top tier gas would disagree with you.

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