fuel system is a stock return type fuel system. static frp with no reference is 56 psi. injectors are 50lb/hr @ 58 psi. I am currently trying to find injector data sheets for rest of the injector data.
fuel system is a stock return type fuel system. static frp with no reference is 56 psi. injectors are 50lb/hr @ 58 psi. I am currently trying to find injector data sheets for rest of the injector data.
Can you put up the stock COS before modding? When you flash the COS, then flash the stock file, then read... I want that read. I'll help setup
Originally Posted by mgnta217
keeping track of details:
referenced FPR.
56 psi base pressure mreasued.
2001 Chevy Silverado
Stock 4.8l engine
Twin 60mm turbos running 5-8lbs boost
Return type fuel system with stock rails and regulator (delphi 12613412 injectors 50lb/hr @ 4BAR)
Reference FRP @ 56psi
Completely MAFless
EGR Delete
EVAP delete
Catalyst delete
2 BAR MAP sensor
TH400 transmission
Stock COS
LS1B.ctz
Whats the MAP part number?
AC Delco 213-1631 2 bar
is this drive by wire?
Yes
This is by no means tuned but is a start for a boosted app. I have setup the flex fuel injectors based off a gen 4 ecm. They are set for 4 bar. A few percent low on pressure is not going to hurt, if its all stock parts its normal to have it +- a few psi. YOU WILL HAVE TO LOG AND TUNE THE VE!!!!!! Timing is set safe, 14-15 degrees cool boost and pulls more as temp goes up. If you have a question or are unsure on a setting, ask.
LS1B - MOD.ctz
I compared yours to the one I have been working on today and I'm glad to see I was on the right track with my injectors, after your help of course. I'm gonna tweak and flash this tune and make some logs
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