Get the PS pump as well, as they are different form the std power steering pumps (if you plan to have power steering).
Not true, the pump is the same, the reservoir is slightly different, but that's not a problem.
So if you already have a PS pump you can still use it with the hydrobooster.
To use a hydrobooster you preferably need two return nipples on your PS reservoir, one for the steering gear box as usual, and one for the hydrobooster. IF you don't have a reservoir with dual return nipples you can add a second one if you have the reservoir off, or you can use a T fitting in the PS return line close to the reservoir.
Grigg
