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Cobra Forums
2020+ Shelby GT500 Mustang
Proflex commander pro flex fuel system. Thoughts?
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<blockquote data-quote="tampasnake" data-source="post: 16750952" data-attributes="member: 183516"><p>I have one on my GT350. </p><p></p><p>They don't backfeed the ECU. That is the allure of it. It's not reflashing your ECU. </p><p></p><p>At risk of over simplifying things. This is how I understand that it functions. The engine takes more volume of e85 than say e10 93 to operate. The proflex plugs into your injector harness. The ethanol sensor is in the new fuel line that is included. The ethanol sensor notifies the control box the ethanol rating of the fuel being fed to the engine. The control box signals to the injectors to stay open longer allowing more volume into the engine to account for the ethanol. There are predefined tables for x% of ethanol requires the injector to stay open for x% longer.</p><p></p><p>This in theory could be more accurate than an e85 tune due to the ECU never getting the actual ethanol content of the fuel being put into the engine. The tune is relying upon the knock and 02 sensors.</p></blockquote><p></p>
[QUOTE="tampasnake, post: 16750952, member: 183516"] I have one on my GT350. They don't backfeed the ECU. That is the allure of it. It's not reflashing your ECU. At risk of over simplifying things. This is how I understand that it functions. The engine takes more volume of e85 than say e10 93 to operate. The proflex plugs into your injector harness. The ethanol sensor is in the new fuel line that is included. The ethanol sensor notifies the control box the ethanol rating of the fuel being fed to the engine. The control box signals to the injectors to stay open longer allowing more volume into the engine to account for the ethanol. There are predefined tables for x% of ethanol requires the injector to stay open for x% longer. This in theory could be more accurate than an e85 tune due to the ECU never getting the actual ethanol content of the fuel being put into the engine. The tune is relying upon the knock and 02 sensors. [/QUOTE]
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2020+ Shelby GT500 Mustang
Proflex commander pro flex fuel system. Thoughts?
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