Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI (LS1) System Hardware & BigComm Software - Manual (Page 40)

BigStuff3 Pro SEFI System (LS1)
Version 1.0 39
20. Load vs. RPM
The BigStuff3 GEN3 SEFI system offers configurable Load & RPM axes! This feature is not
available on any other comparably priced systems!