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SVTPerformance's Chain of Restaurants
Tuning À la carte
03 COBRA - Stalling and Hesitation after Tune - HELP?
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<blockquote data-quote="decipha" data-source="post: 16226469" data-attributes="member: 74327"><p>56lb injectors sound to be some type of off brand uncommon injector. More than likely your tuner doesnt have the info on them since most injector manufacturers dont publish data. If so they would have to dial the injectors in manually the hard way and with a modified inlet tract like you have that could be quite extensive. Would take no less than 60-80 tune revisions MINIMUM to properly dial in. It sounds like they did what most any tuner would do. They put in some generic data and raped the maf to get it in the neighborhood. Thats fine for cruise and wot but those transitional area where injector flow is non linear will cause issues such as your experiencing. The only way to properly dial the injectors in is to make a histogram that shows the total fuel error plotted across imaf counts and rpm. Only then can you start dialing in the injectors but be warned its a tedious process.</p></blockquote><p></p>
[QUOTE="decipha, post: 16226469, member: 74327"] 56lb injectors sound to be some type of off brand uncommon injector. More than likely your tuner doesnt have the info on them since most injector manufacturers dont publish data. If so they would have to dial the injectors in manually the hard way and with a modified inlet tract like you have that could be quite extensive. Would take no less than 60-80 tune revisions MINIMUM to properly dial in. It sounds like they did what most any tuner would do. They put in some generic data and raped the maf to get it in the neighborhood. Thats fine for cruise and wot but those transitional area where injector flow is non linear will cause issues such as your experiencing. The only way to properly dial the injectors in is to make a histogram that shows the total fuel error plotted across imaf counts and rpm. Only then can you start dialing in the injectors but be warned its a tedious process. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
03 COBRA - Stalling and Hesitation after Tune - HELP?
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