From many years of SFI discussion it seems that most manufacturers switch between SFI and batch fire at around 3000 RPM.
From many years of SFI discussion it seems that most manufacturers switch between SFI and batch fire at around 3000 RPM.
The man who says something is impossible, is usually interrupted by the man doing it.
There is a Constant in TunerCat $EE I do not have in TunerPro $EE which would tell us when it happens in an LT1 called :
"Individual Cyl. Fuel Trim Disable %TPS"
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
-= =-
individual trims are used for commanding slightly different BPWs for each cylinder, not a SFI->MPFI transition. IIRC, EE has two individual cylinder trims, one for idle and one for non-idle? that constant is probably used for switching between the two.
1995 Chevrolet Monte Carlo LS 3100 + 4T60E
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