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Im having another fuel delivery problem. the pump pickup is directly on the bottom of the tank, ordered a new pump thatll be here tomorrow. I will add another datalog when I get it put in. I dunno...

243/247 .632/.632 cam
holley hi ram
4L80E 2800 converter
36# flex injectors
aeromotive 340 pump
aeromotive regulator set at 58# after rails


Don't know much at all about tuning but trying...

Swapping the injector data helped a lot. And I believe I have found my 4K rpm and higher lean problem as well. VE will definitely need changes made after you get the right injector info in. Wish I...

I haven't. The truck ran great but had injector data that was WAYYYYY off. I fixed that this morning. and all I did after loading it in the truck was remove about 15% fuel through the whole ve table...

I have a cammed 6.0L and 4L80E. 36lb flex fuel injectors. Been having a problem going lean at WOT at the shift points. Loaded correct injector data and now its super rich. Could someone that knows...

My system is returnless. Walbro 255lph in tank to a corvette filter/regulator then -6 hose to the back of the engine with a Y and -6 to each fuel rail and a crossover in the front.

I sure hope getting the injector data right will solve my problem. Thanks for the help. I will post results tomorrow eve.

Awesome. I will try that when I get to work in the morning. Is it possible for the flow rate I have entered in my tune to cause a lean condition during WOT a couple hundred rpms before it shifts??

Already looked through all of it. Nothing for 36lb flex. I found a file from a 07 flex fuel Tahoe with the same injector part number I have but the graph is different. For the 02 model it's flow rate...

Can anyone give me the injector data for a GM part number 12594512. It is a 36lb flex fuel injector from a 2007 and newer Silverado, Thaoe, Yukon. Any help would be appreciated.