D DooDoo Joined Oct 12, 2025 Messages 1 Oct 12, 2025 #1 I have a custom build I'm working on and needing some recommendations on power steering/ hydroboost fluid. Pump is GM type II with GM hydrobooster.
I have a custom build I'm working on and needing some recommendations on power steering/ hydroboost fluid. Pump is GM type II with GM hydrobooster.
F facility1 Joined Nov 8, 2022 Messages 1,904 Oct 12, 2025 #2 start with oem oil and go from there as a base line. then Amsoil may be a thought.
