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P/S pump improvement
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Official CCB Member   Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV 
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 P/S pump improvementI'm plumbing my P/S, h-boost & 4x4x2 box with AN hose. I'm installing a new pump body into a dual return reservoir. I know I've read there is a way to increase the pump output, but can't find it now.
I've run h-boost for years, but am upgrading to the 4x4x2 box, dual return & a p/s cooler. I'm planning to add hydro assist in the future, but not now. Very rarely, with my old set up, the power steering would be dead right after start up, so I figure now is a good time to put a new pump in. I recently bought a used/never run WH pump & bracket planning to put it into my 72. But I figured I'd rob the pump from it and put it into my 74. _________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Sat Mar 17, 2018 4:48 pm |
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Official CCB Member Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: P/S pump improvement Ok, so why would the new reservoir only have 1 bolt holding it to the pump? The Tom's pump & WH pump use 2. I figure I need to drill a second hole & use both bolts. Or will it be ok with only 1 bolt?
And the WH pump uses metric hardware to attach the pump to the reservoir & bracket, but the old Tom's uses standard hardware. Just different stock applications? New reservoir: DSCN8284.JPG WH reservoir: DSCN8285.JPG Toms DSCN8286.JPG You do not have the required permissions to view the files attached to this post. _________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Sat Mar 17, 2018 5:14 pm |
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Official CCB Member Joined: Sun Jul 07, 2013 6:06 pm Posts: 639 Location: Falcon, CO
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Re: P/S pump improvement If I remember right I was going to carefully drill a second hole, I never understood that either because the pump had the threads. Also I believe the later p-pumps were metric vs. the older standard ones.
_________________ 1969 Bronco: Full widths, 3 linked front end, 37's, hydro-boost, 4x4x2 box, ZF5, Atlas t-case, and fuel injected 302 |
| Sat Mar 17, 2018 7:05 pm |
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Official CCB Member Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: P/S pump improvement You can see the spot where it would be drilled. I was wondering if 1 bolt & the outlet fitting was adequate. I'm guessing there was some application with that set up, and it probably worked.
What is a p-pump vs the older pump? Are they higher output? Is it the Delphi pump WH is advertising? I've emailed them to see if they can ID my pump as a Delphi vs Saginaw. I didn't know there were 2 versions. https://www.wildhorses4x4.com/product/H ... ring_Pumps Mine looks like this one, but the shaft measures .690 at the end (pulley is installed), not .75. I assume the shaft is tapered, and I don't know where it's measured from. _________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Sat Mar 17, 2018 7:44 pm |
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Official CCB Member Joined: Sun Jul 07, 2013 6:06 pm Posts: 639 Location: Falcon, CO
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Re: P/S pump improvement _________________ 1969 Bronco: Full widths, 3 linked front end, 37's, hydro-boost, 4x4x2 box, ZF5, Atlas t-case, and fuel injected 302 |
| Sat Mar 17, 2018 9:10 pm |
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Moderator   Joined: Mon Nov 15, 2010 5:58 pm Posts: 3906 Location: Henderson, Co
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Re: P/S pump improvement _________________ Rob 74 Ranger EFI351w, 4r70w, ARB 5.13 9in, ARB 5.13D44, and a bunch of other goodies. Best of all the family memories. 04 Mustang Cobra, KenneBell 2.2 feeding a lot of boost on E85. Tire shredding machine New project: 77 Bronco Ranger, body work and more body work. Very little left of a 72 durango tan explorer sport |
| Sat Mar 17, 2018 9:29 pm |
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Official CCB Member Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: P/S pump improvement _________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Sat Mar 17, 2018 11:41 pm |
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Official CCB Member  Joined: Sun Oct 10, 2010 12:04 am Posts: 6198 Images: 0 Location: Lakewood
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Re: P/S pump improvement I did this on my Saginaw, including drilling out the hole. It worked great with the 4x4x2 box and hydroboost, but couldn't always keep up at low speeds after I added the ram. Parking lots where I used the brakes sometimes meant diminished power steering.
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| Sun Mar 18, 2018 12:24 am |
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