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Hydro assist steering, where to mount bigger power steering reservoir?

Rennat_2006

Well-known member
Joined
May 20, 2020
Member Number
410
Messages
73
Loc
Idaho
Finally setting up my hydro assist cylinder and I see on most rigs they also upgrade to a bigger reservoir. Currently I'm running a power steering pump off of a duramax truck, drilled and tapped astro van box, and a 6" PSC cylinder. Factory reservoir off the back of the stock 4.3l pump with the extended fill neck that puts the cap up by the ac compressor. I'm planning on replacing the factory power steering cooler with as big as one as I can fit behind the grill.

do I need to upgrade to a bigger reservoir?
any ideas where to mount the damn thing? I burnt up about any decent sized spot under the hood with the OBA compressor and accessories.

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K5-Einari

Member
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Jun 16, 2020
Member Number
2028
Messages
7
Extended fill neck and big cooler should be enough for most cases I think. I ran that kind of setup for years with sbc, k5 blazer and hyd.assist.. After ls swap I used c5 vette pump and its small plastic reservoir, again for years. Now I built big reservoir, but it was mostly for peace of mind.. If you really want more fluid capacity, you could try to make the fill neck as long as possible, also maybe bigger diameter. Just mount and support it properly that it doesn't fall of because of added weight.
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Rennat_2006

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Loc
Idaho
I will give it a try as is and see how it works. Damn s10's dont give you shit for room.
 

OFG

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May 26, 2020
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1467
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The only way I could figure out to mount mine was to lose the airbox, use a cone filter, and mount the reservoir to the radiator support. It's not ideal to not have an airbox, but it seems to work fine. At some point, I'll probably build a smaller airbox to fit the filter I'm using, but I haven't gotten around to it yet.

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Positrack

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Nov 14, 2020
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3052
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Princeton, IL
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That's ^^^ where I put mine, but I've got a bit more room to work with. If you've got a big reservoir and want a short, straight run into the pump, there aren't a whole lot of choices.


EDIT: I just noticed this is a five month old post. Well, what do you expect from a noob...?:rolleyes:
 
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gozuki

Webwheeler
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May 20, 2020
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669
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454
Loc
West Coast
The only way I could figure out to mount mine was to lose the airbox, use a cone filter, and mount the reservoir to the radiator support. It's not ideal to not have an airbox, but it seems to work fine. At some point, I'll probably build a smaller airbox to fit the filter I'm using, but I haven't gotten around to it yet.


I ditched the factory washer reservoir and used a small universal one, and combined with losing the airbox and going with a cone left just enough room for a larger remote reservoir in my S10
 

Rennat_2006

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May 20, 2020
Member Number
410
Messages
73
Loc
Idaho
How big are your guys reservoirs? Im wondering just how much extra fluid i need.
 

gozuki

Webwheeler
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May 20, 2020
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669
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454
Loc
West Coast
I had to go back to the other place to see your build, and I found that you put an air compressor up where the ABS used to be. If I were you, I'd move that under the body somewhere, and move the fuse box there. That will leave you the center of the wheelwell for the reservoir. That's my plan anyway.
 

Rennat_2006

Well-known member
Joined
May 20, 2020
Member Number
410
Messages
73
Loc
Idaho
I had to go back to the other place to see your build, and I found that you put an air compressor up where the ABS used to be. If I were you, I'd move that under the body somewhere, and move the fuse box there. That will leave you the center of the wheelwell for the reservoir. That's my plan anyway.

I will take a look at that, not sure how much of a pita it would be to move the fuse box to that space but putting the reservoir where the compressor is may work.
 
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