My 5.3 is around 30-35 kPa at idle, stock internals, shorty headers, 24.8lb injectors.
Type: Posts; User: XDR
My 5.3 is around 30-35 kPa at idle, stock internals, shorty headers, 24.8lb injectors.
Vacuum leak? I'll take a look at my datalogs at lunch and see about where my 5.3 falls, mine is all stock internals though.
Make sure you take actual pressure at your fuel rail (idle) for the conversion chart. That change alone helped out my motor alot.
Look at the excel program I made, it has the conversion shown. http://www.hptuners.com/forum/showthread.php?46538-Fuel-Injector-Flow-Converter-amp-VE-Tuning-Conversions
Input data into Injector...