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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Knock issue with low timing, is it fuel related? Am I running too much power not to change fuel
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<blockquote data-quote="valanahara" data-source="post: 15836761" data-attributes="member: 171801"><p>That's good. A test with higher octane will definitely help pin-point the issue. I wouldn't be surprised at all if it isn't a fuel quality issue considering the issues I had. </p><p></p><p>E85 is great, man. It's resistance to detonation, cooling qualities, and the price is tough to beat. I am running a Paxton 2200SL with 15 PSI. It made 837rwhp and wanted more... If you have E85 readily in your area, it's a no-brainer. I travel 2 hours to get it in gallons and fill up in my garage when I drive it throughout the week. </p><p></p><p>As far as your fuel system, you will definitely want to consider going to a return fuel system. I ran the Sai Li system for over a year with no issues. What injectors are you running? You'll want to consider 1050x if you haven't got them already. BAP I'm not 100% on it. I know that I had the JMS and only came on during WOT so that I was not overworking the pumps all the time.</p></blockquote><p></p>
[QUOTE="valanahara, post: 15836761, member: 171801"] That's good. A test with higher octane will definitely help pin-point the issue. I wouldn't be surprised at all if it isn't a fuel quality issue considering the issues I had. E85 is great, man. It's resistance to detonation, cooling qualities, and the price is tough to beat. I am running a Paxton 2200SL with 15 PSI. It made 837rwhp and wanted more... If you have E85 readily in your area, it's a no-brainer. I travel 2 hours to get it in gallons and fill up in my garage when I drive it throughout the week. As far as your fuel system, you will definitely want to consider going to a return fuel system. I ran the Sai Li system for over a year with no issues. What injectors are you running? You'll want to consider 1050x if you haven't got them already. BAP I'm not 100% on it. I know that I had the JMS and only came on during WOT so that I was not overworking the pumps all the time. [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Knock issue with low timing, is it fuel related? Am I running too much power not to change fuel
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