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View Full Version : Selecting the correct Type II PS pump



woody80z28
12-10-2012, 06:54 AM
Not sure if this is the right section, but mods feel free to move it.

I'd like to convert my old Saginaw power steering pump to a more modern Type II purely for aesthetics. My question is, I see them described as "high flow" vs "low flow" and I'm not sure which would be best for me. I have a steering box and had to change the ps valve in my stock pump when I swapped the stock box for an IROC one.

I'd like to grab one from the junkyard and I see that the FWD pumps look the same with a different reservoir, but are rack & pinion. Will this be ok with my steering box?

EDIT: Also, I have been contemplating hydroboost. Running manual brakes now, but would like hydroboost to be an easy upgrade after the type II swap.

What I have:
https://static1.pt-content.com/images/pt/2012/12/brg800310_w-1.jpg

What I'd like to convert to:
https://static1.pt-content.com/images/pt/2012/12/53252-1.jpg

astroracer
12-10-2012, 10:21 AM
This is directly from the Hydratech site:
http://www.hydratechbraking.com/tech.html

Q: Can this system be run on a mini power steering pump with remote reservoir?

A: In most cases the answer is yes, as we have many many satisfied customers successfully running the hydraulic brake assist systems using mini pump setups. It is however absolutely critical that the remote reservoir be of a well engineered design that aggressively promotes de-aeration of the power steering fluid. The mini pumps themselves are much more aggressive in their operations as a result of being substantially downsized. Because of this, foaming of the ps fluid is much more prevalent in these systems, and may require substantially extended periods of run time to fully de-aerate. Most "older style" full size ps pumps with integral reservoirs are far superior for use with hydraulic brake assist systems. Given a direct choice of running a Saginaw P series pump versus a mini pump setup, the venerable Saginaw P pump is the "hands down winner every time". In some cases there simply is not enough engine compartment space to run a traditional pump, requiring the use of a mini pump / remote reservoir setup. If space constraints dictate that a smaller pump must be fitted, we prefer the usage of a Saginaw P "traditional" type pump, using the later model GM truck remote reservoir style sheet metal housing (as shown here) in conjunction with a well designed remote reservoir.

Which is why I chose to use a big pump.
Mark

woody80z28
12-11-2012, 06:11 AM
Interesting. I converted to hydroboost on my truck and love it - that is also a big ol' Saginaw pump. I've seen plenty of people running the Type II with hydroboost, though. Scott from NastyZ being one of them. I'll send him a msg and see how he likes it.

MrQuick
12-11-2012, 10:07 AM
I would run a remote tank and cooler so you can increase your fluid capacity this will decrease aeration of the fluid. There a few different flow valves available.

woody80z28
12-15-2012, 04:16 PM
Went to the junkyard with my bro-in-law today and picked one up from a 2000ish 2.2L S10 that has the same reservoir as I posted earlier and used a steering box factory.

I can go remote later on if I go hydroboost.