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SVTPerformance's Chain of Restaurants
Tuning À la carte
SCT Prp help
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<blockquote data-quote="decipha" data-source="post: 16041130" data-attributes="member: 74327"><p>as long as you have the correct injector data in your tune and preasure compensation enabled then you can change the base fuel pressure all you want and the ecu will adjust the injector data for it using the deltaP functions</p><p></p><p>if you do not have the deltaP compensation enabled then you will have to manually recalculate the injector data anytime you change fuel pressure and plug those new values in your tune.</p><p></p><p>i see your return style, pump dc doesnt matter</p><p></p><p>you should leave all the fuel deltap modifiers intact so the ecu will compensate for any pressure loss or base fuel pressure changes, be sure to disable the adaptive fuel pump voltagw corrections</p><p></p><p>do not mess with the pressure drop across injectors since the fuel pump isnt controlled by the ecu it wont change anything</p><p></p><p>make sure your frps still has a mainfold reference so it reads deltaP and not actual rail pressure</p><p></p><p>sounds like you just need to kick up the maf</p></blockquote><p></p>
[QUOTE="decipha, post: 16041130, member: 74327"] as long as you have the correct injector data in your tune and preasure compensation enabled then you can change the base fuel pressure all you want and the ecu will adjust the injector data for it using the deltaP functions if you do not have the deltaP compensation enabled then you will have to manually recalculate the injector data anytime you change fuel pressure and plug those new values in your tune. i see your return style, pump dc doesnt matter you should leave all the fuel deltap modifiers intact so the ecu will compensate for any pressure loss or base fuel pressure changes, be sure to disable the adaptive fuel pump voltagw corrections do not mess with the pressure drop across injectors since the fuel pump isnt controlled by the ecu it wont change anything make sure your frps still has a mainfold reference so it reads deltaP and not actual rail pressure sounds like you just need to kick up the maf [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
SCT Prp help
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