Here you go mate,
The standard GTR pump runs 3.7l/min @ 3kg/cm2
The standard GTS pump runs 2.3l/min @ 3kg/cm2
The NISMO upgrade pump for the GTS runs 4.1l/min @ 3kg/cm2 and costs about £300 (guestimate).
A standard GTR pump offers about 160% extra flow over stock.
Your Welcome
