NV4500 swap is underway

[duallyjams]

Originally Posted by DirtyLarry

I am using a late model medium duty truck P/S pump and lines. Although the lines will need to be modified to fit the old Saginaw steering gear. Pictures of the pump are on the first page of this thread.

From what I can tell your hydroboost pump just has two return ports. Plug one off and you should be fine.

GM 1ton step vans have hydro boost and use a factory t in the return line to the pump verse having 2 returns ports on the pump. FIY