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What are the best power steering pumps?

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Old 05-28-2006, 01:07 AM
  #31
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Default Re: What are the best power steering pumps?

Here is the diagram
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Old 05-28-2006, 01:08 AM
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Default Re: What are the best power steering pumps?

Quote:
Originally Posted by stecz20
you're a very complicated man... how you treating my gladiator... keep her nice for me...
You wouldn't want her, Ford powered
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Old 05-30-2006, 01:09 PM
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Default Re: What are the best power steering pumps?

Knot-Right,Have you used your boat since making the power steering changes?
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Old 05-30-2006, 03:04 PM
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Default Re: What are the best power steering pumps?

2112,
I don't know about your diagram, but I had to change my return from the reservoir to the pump from -8 to -10. KRC said -10 and this fixed my slow to respond operation. I made this reservoir tank that you might like better that the one KRC/Eickert sells. All the pulleys on my twin Bravo setup are as Keith was selling. Works good...looks better than stock.
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Old 05-30-2006, 03:13 PM
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Default Re: What are the best power steering pumps?

Here is a better picture of the tank
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Old 05-31-2006, 01:20 AM
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Default Re: What are the best power steering pumps?

It appears the Diagram I have is backwards.

Benperfected, Nice rigging

Who is your contact at KRC?
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Old 05-31-2006, 01:42 AM
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Default Re: What are the best power steering pumps?

Answered my own question;

www.krcpower.com

Has a good "common mistakes" page. For example, can your return hose resist 28mm Hg of vacuum?
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Old 05-31-2006, 07:26 AM
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Default Re: What are the best power steering pumps?

42 MTI,Would you please share the specs for the Merc pump,KRC pump and the #6 drives,you spoke of earlier?

Ultimate Cat,The "WHEEL LOCK" is a serious issue......Did you consider an accumulator tank ILO or instead of dual power steering pumps?

2112,Thanks for pointing out the KRC trouble shooting page!
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Old 06-03-2006, 07:13 AM
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Default Re: What are the best power steering pumps?

Any new thoughts?
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Old 06-03-2006, 05:47 PM
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Default Re: What are the best power steering pumps?

Two Merc pumps plumbed properly through -8 lines and fittings into 1 filter per pump (not absolutely necessary, but safer) and a check valve tee block to the helm for the supply (P) side of the helm. Don't use a true "priority valve" which limits the flow to the helm to the output of one pump and returns the other back to tank! That's ok on Bravo's but not Sixes! On the return (T) side of the helm go with -8 line to a tee to both engine ps coolers. On the reservoir I would use accessory cap on each reservoir with a large fitting out to a common reservoir. It's also easier to bleed the air from the system if the fittings to the common reservoir from the standard pump reservoirs are not teed, the air being burped out will get sucked right back in before it returns to the tank.
This should be more than adequate unless your helm is trying to turn faster than 3-3.5 turns lock-to-lock, most aim at 4-5 turns lock-to-lock. With the Merc style pumps I would keep a pulley ratio that turns the pump to a max of 5000-5500 rpm at rev limit. The pumps don't need to turn anywhere near this fast for max flow, but this will keep the rpm up at idle to help around the docks, especially if only one engine is running.

Keep us up on what you do and how it works out!
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