Depends on the power of your nissan and the number of cylinders. A 400 HP 4cyl needs bigger injectors than a 400 HP 6 cyl.
the 4 cyl has 100 HP per cylinder while the 6 cylinder has about 65 HP per cylinder and requires less fuel per/cyl.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black