View Full Version : E 85 help
427-6spd
October 15th, 2014, 03:03 PM
Im pretty new to tuning and you sure seem to be the guys that are friendly and helpful to ask. I did a ls3 swap into my 69 camaro it has headers and a g6x3 cam with stock injectors. I recently just added all the hard parts ethanol sensor and 60 pound injectors to the car for the e85.Can you help me with turning on the correct parameters for the fuel if i attach my tune. I also havent quite figured how to rescale from my stock ls3 injectors to the 60 pound too. I was even slightly confused at what pids to log to watch the ethanol percentage also. I would really appreciate your help I dont want to mess anything up and im a bit nervous thank you to all those that reply Im trying to learn the best I can.
joecar
October 15th, 2014, 08:22 PM
Do you have the flowrate specs for the 60 lb/hr injectors (rated at 43.5 psi...?)...?
427-6spd
October 16th, 2014, 05:56 AM
Do you have the flowrate specs for the 60 lb/hr injectors (rated at 43.5 psi...?)...?
should be 682.5cc/min according to their web page
joecar
January 15th, 2015, 11:15 AM
I'm sorry for the late reply (I'm picking up the threads that somehow fell thru the cracks)...
(682.5 cc/min) * (0.73 g/cc) / (60 s/min) * sqrt((4 bar)/(3 bar)) = 9.59 g/s @ 4-bar
your B4001: cell at 408 kPa is 5.3 g/s... it should be 9.59 * sqrt(408/400) = 9.69 g/s...
likewise for 428 kPa, 448 kPa, 468 kPa, 488 kPa.
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