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The Terminator
Terminator Talk
I drastically dropped my fuel temps by over 100F
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<blockquote data-quote="MalcolmV8" data-source="post: 15758496" data-attributes="member: 8854"><p>Great to hear the improvements on the cooler gas. This thread was originally started with attempts to keep from burning up fuel pumps but has brought more benefits to light.</p><p></p><p>I have to disagree on the comments about the abilities of returnless fuel pumps though. Our stock ECUs can in fact deal with returnless pumps just fine. The stock fuel pump calibrations and settings within the tune however do not. Most tuners will make the corrections for say GT super car pumps or what ever pumps you're running which gets the car going but to solve the hesitation on shifts with aggressive driving etc. takes a lot more refinement of other parameters that most either don't know or just don't care to take the time to figure out and dial in. What ever the case it causes a lot of people to hate returnless. I myself was one of those about 10 years ago. It can be made to work on our cars though.</p><p></p><p></p><p></p><p>Yup there's an example of returnless working correctly. It can indeed be done. Whether its worth the headace to most people or not I suppose is debatable.</p><p></p><p>BTW - amz1 is nothing to do with hardware/ECU identification per say. From the factory these cars had YDH1, AMZ1, AMZ2 etc. with AMZ2 been the final revision from Ford. All that refers to is a combination of the strategy and calibration (tune) on the ECU. If your car has ever been reflashed, tuned etc. the sticker doesn't mean squat as your tuner likely started with AMZ2 and modified from there on out. Just FYI since we're all here to learn <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="MalcolmV8, post: 15758496, member: 8854"] Great to hear the improvements on the cooler gas. This thread was originally started with attempts to keep from burning up fuel pumps but has brought more benefits to light. I have to disagree on the comments about the abilities of returnless fuel pumps though. Our stock ECUs can in fact deal with returnless pumps just fine. The stock fuel pump calibrations and settings within the tune however do not. Most tuners will make the corrections for say GT super car pumps or what ever pumps you're running which gets the car going but to solve the hesitation on shifts with aggressive driving etc. takes a lot more refinement of other parameters that most either don't know or just don't care to take the time to figure out and dial in. What ever the case it causes a lot of people to hate returnless. I myself was one of those about 10 years ago. It can be made to work on our cars though. Yup there's an example of returnless working correctly. It can indeed be done. Whether its worth the headace to most people or not I suppose is debatable. BTW - amz1 is nothing to do with hardware/ECU identification per say. From the factory these cars had YDH1, AMZ1, AMZ2 etc. with AMZ2 been the final revision from Ford. All that refers to is a combination of the strategy and calibration (tune) on the ECU. If your car has ever been reflashed, tuned etc. the sticker doesn't mean squat as your tuner likely started with AMZ2 and modified from there on out. Just FYI since we're all here to learn :) [/QUOTE]
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Terminator Talk
I drastically dropped my fuel temps by over 100F
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