"Injector Placement - Straight-line, linear distance of the fuel injector from the intake valve, as measured or approximated from the injector outlet tip to the valve seat opening, in inches."
For more Injector End Angle information: Open the Holley EFI software & "Help" Contents (top Toolbar), and read the "Injector Phasing Instructions".
https://forums.holley.com/showthread...-Phasing-Table (Injector End Angle Tuning Information)
May God's grace bless you in the Lord Jesus Christ.
'78 BRONCO: 508" stroker, TFS heads, Dominator MPFI & DIS, cold air induction, dual 3" exhaust/Magnaflow mufflers, 100HP progressive dry direct-port NOS, A/C, Lentech Strip Terminator wide-ratio AOD, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, custom traction bars, 4" lift, 35" mud tires