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The Terminator
Engine/Tuning
Tuning Help! E85, ID1300X2, Return Conv.
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<blockquote data-quote="The_03Cobra" data-source="post: 16457744" data-attributes="member: 198677"><p>Hey, Guys!</p><p></p><p>So, I've been battling an issue in my tune ever since I converted to E85 and a return style system... I am a very inexperienced tuner but I am doing my best to learn how to do it. LaSota's Ford EFI (Advantage III) book has been my bible for the last month or so and I am still struggling to get the car into driving shape.</p><p></p><p>During the conversion, I replaced the entire fuel system;</p><ul> <li data-xf-list-type="ul">Fore Twin pump hat (Walboro 275's)</li> <li data-xf-list-type="ul">Fore PTFE fuel lines, reg and fuel rails</li> <li data-xf-list-type="ul">ID1300X2 Injectors</li> </ul><p>And now I am having an issue where the car is in a fixed closed-loop mode and the STFT's climb from 0.90 to 1.25 in unison and then transitions into open-loop in which the car then dies. During the closed-loop mode, the idle hunts and immediately after transition to open-loop, the car begins to hunt but will try to die. </p><p></p><p>In the Advantage III software, and according to what I have read in Lasota's EFI book, I have made the following adjustments;</p><ul> <li data-xf-list-type="ul">Stoich = 9.7</li> <li data-xf-list-type="ul">Fuel Injector Scalar (based on Injector Dynamics Value spreadsheet)<ul> <li data-xf-list-type="ul">Breakpoint</li> <li data-xf-list-type="ul">High Slope</li> <li data-xf-list-type="ul">Low Slope</li> <li data-xf-list-type="ul">Min. Pulse Width</li> <li data-xf-list-type="ul">Pressure Drop</li> </ul></li> <li data-xf-list-type="ul">Fuel Inj. Breakpoint, High/Low Slope & Offset Mult. = 1</li> <li data-xf-list-type="ul">Returnless Fuel Pump<ul> <li data-xf-list-type="ul">Fuel Pump Gain Deriv/integral/prop = 0</li> <li data-xf-list-type="ul">Fuel Pump Voltage table = 15</li> </ul></li> </ul><p>Again, I'm new to the tuning scene and I'm trying to figure this out without opting to a mail/dyno tune and not learn anything from it. I appreciate any help/advice you can give!</p></blockquote><p></p>
[QUOTE="The_03Cobra, post: 16457744, member: 198677"] Hey, Guys! So, I've been battling an issue in my tune ever since I converted to E85 and a return style system... I am a very inexperienced tuner but I am doing my best to learn how to do it. LaSota's Ford EFI (Advantage III) book has been my bible for the last month or so and I am still struggling to get the car into driving shape. During the conversion, I replaced the entire fuel system; [LIST] [*]Fore Twin pump hat (Walboro 275's) [*]Fore PTFE fuel lines, reg and fuel rails [*]ID1300X2 Injectors [/LIST] And now I am having an issue where the car is in a fixed closed-loop mode and the STFT's climb from 0.90 to 1.25 in unison and then transitions into open-loop in which the car then dies. During the closed-loop mode, the idle hunts and immediately after transition to open-loop, the car begins to hunt but will try to die. In the Advantage III software, and according to what I have read in Lasota's EFI book, I have made the following adjustments; [LIST] [*]Stoich = 9.7 [*]Fuel Injector Scalar (based on Injector Dynamics Value spreadsheet) [LIST] [*]Breakpoint [*]High Slope [*]Low Slope [*]Min. Pulse Width [*]Pressure Drop [/LIST] [*]Fuel Inj. Breakpoint, High/Low Slope & Offset Mult. = 1 [*]Returnless Fuel Pump [LIST] [*]Fuel Pump Gain Deriv/integral/prop = 0 [*]Fuel Pump Voltage table = 15 [/LIST] [/LIST] Again, I'm new to the tuning scene and I'm trying to figure this out without opting to a mail/dyno tune and not learn anything from it. I appreciate any help/advice you can give! [/QUOTE]
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Tuning Help! E85, ID1300X2, Return Conv.
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