by Dr. Radut

EFI systems info

Fuel / EFI systems
AEC TEC3 Holley

FAST XFI

ACCEL Thruster EFI ACCEL DFI Gen 7 ACCEL DFI Gen 8 BigStuff3 Haltech AEM Wolf 3D Race
Tech (SDS)		 MFI
cylinder compatible 4,6,8 4,6,8 4,6,8 4,6,8 4,6,8 4,6,8 4,6,8 1-16 4,6,8 4,6,8
LS-1 system available requires XIM no optional optional
Ford 4.6/5.4 Modular system available requires XIM no optional optional
New HEMI system available requires XIM no no no
single Wideband O2 standard optional optional standard
dual Wideband no optional optional optional
closed loop control at WOT yes yes yes yes NO
maximum number of injectors 16 16 16 24
launch/2-step RPM limiter yes yes yes yes
fuel pump control yes yes yes yes
sequential injector control cam sync cam sync cam sync cam sync
fueling algorithm/strategy speed density speed density speed density speed density
individual cylinder tuning yes yes yes yes
fan control yes yes yes yes
torque converter clutch control yes yes yes yes
super/turbocharger compatible yes yes yes yes
boost control yes no yes yes
MAP sensor compatibility 1,2,3,4,5 BAR 1,2,3 BAR 1,2,3 BAR 1,2,3,4,5 BAR +30 psi
Stages of Nitrous Oxide/power adder control 4 1 3 3
dual sync distributor available yes yes yes yes (2)
maximum RPM limiter yes yes yes yes
GM Electronic trans control optional no no optional
turbo anti-lag yes4 no yes no
integral data logging optional optional optional optional
driveshaft RPM input optional optional optional optional
traction control optional no no optional
LCD dashboar d optional no no optional
EGT support yes no no no
accelerometer support yes no no no
fuel pressure input optional optional1 optional1 optional1
knock sensor optional optional optional no
turnkey system available yes yes yes no
secondary injector control optional no optional optional
auxiliary launch mode yes3 no yes yes3
programmable auxiliary output yes yes yes yes
1 fuel pressure input requires use of auxiliary 0-5V input channel on logger module.
2 System is compatible with FAST XFI dual sync distributor.
3Auxiliary launch feature is configurable through Power adder control functions, antilag may be actuated but requires additional components.

Sensor Information — MAP info

FAST
EZ-efi 		FAST Accel Holley E delbrock Professional Products GM part# Delphi MSD NTK Bosch part# FAST Prices – ?
Coolant temp 307003 74765 3589 71230 25036979 DEM SS10425 ? $10.45
Air temp 3/8pt 307004 3588 25037334 $10.45
” mass flow 3578, 3579 25036751
Fuel Pressure 71235
TPS 307028 3590 71200 17106681 $57.70
MAP 1-bar 307029 307007 74764 3587 16212460 $51.08
MAP 1-bar 307059 36019 71220 17113598 2311 $51.08
MAP 2-bar 307008 74776 36020 2312 $56.01
MAP 3-bar 307009 74777 554-107 12223861 2313 $77.57
MAP 5-bar 307047 554-108
O2 Narrow 77761
O2 Wide 170408 77061 554-101 36013 71240 0258007206 $94.45
O2 alky NTK 77065 554-100 $400.00
IAC 74766 36015 71210

Coolant temp GM Air temp 3/8 npt
AC / DELCO / GM 12146312
AC / DELCO / GM 15326386
AC / DELCO / GM 213-310
AC / DELCO / GM 213-72
AC / DELCO / GM 213-928
AC / DELCO / GM 25036708
AC / DELCO / GM 25036979
AC / DELCO / GM 25037182
AC / DELCO / GM 83502327
AMERICAN MOTORS 8983502327
ISUZU 8-12146-312-0
ISUZU 8-25036-979-0		 AC / Delco :
25036751;
25037034;
25037225;
25037334;

5744430
AX1
Wells SU107
OE Alt 213-192,
SU1273