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SVTPerformance's Chain of Restaurants
Tuning À la carte
Tuning Help! New blower, HPX....
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<blockquote data-quote="03Steve" data-source="post: 13392825" data-attributes="member: 5016"><p>The scaling requirement applies to #/min processors where there is a 63.9#/min cap on the MAF transfer function and when the calibrator chooses to work within that limit. That information shared on the tuning forum is correct...for example, on a 2002-2004 GT or 2003-2004 Cobra/Mach/GT PCM. A 1998 AOL3 PCM and many others are not limited by that 63.9 #/min cap. </p><p></p><p>The scaling will work, but in your case it isn't necessary. What is important is correctly translating the values from the HPX Tool from kg/hr to #mass/tic, with respect to the 21MHz clock speed in your case.</p><p></p><p>The injector pulse width observation is interesting. All this information may not fix that. But it will ensure a correct starting point and give you less things to rule out. </p><p></p><p>FYI - Last AOL3 I worked with had 160lb injectors. A limit was found there with injector slopes, and scaling was required in that case. Don't forget about your cranking fuel pulsewidth edits...</p></blockquote><p></p>
[QUOTE="03Steve, post: 13392825, member: 5016"] The scaling requirement applies to #/min processors where there is a 63.9#/min cap on the MAF transfer function and when the calibrator chooses to work within that limit. That information shared on the tuning forum is correct...for example, on a 2002-2004 GT or 2003-2004 Cobra/Mach/GT PCM. A 1998 AOL3 PCM and many others are not limited by that 63.9 #/min cap. The scaling will work, but in your case it isn't necessary. What is important is correctly translating the values from the HPX Tool from kg/hr to #mass/tic, with respect to the 21MHz clock speed in your case. The injector pulse width observation is interesting. All this information may not fix that. But it will ensure a correct starting point and give you less things to rule out. FYI - Last AOL3 I worked with had 160lb injectors. A limit was found there with injector slopes, and scaling was required in that case. Don't forget about your cranking fuel pulsewidth edits... [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Tuning Help! New blower, HPX....
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