The closer the nozzle is to the intake valve, the more power the motor will make. That's why they make down nozzles. Spud Miller at Fuel Injection Enterprises makes some long tube nozzles that will get the fuel spray right at the intake valve from the intake runner.

1994 Undercover Chassis 125" altered stack injected big block, soon blown and injected Member of The Torque and Recoil Club