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jdabbs

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Door Killer
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Reply with quote  #1 
 ok, my truck used to have a reg gm p pump and a 7.3 charlynn valve.  wen i built the buggy i went with a psc pump and 9.7 valve.  steering is only available if turned real real slow.  wont turn fast.  so i borrowed jamies 6.0 valve and it turned fine.  so i called psc and they said my pump was to slow and i needed a 1200x pump for full hydro and it would have no prob with the new valve.  so while i was waiting on the pump i returned the 9.7 and got a name brand 9.7 .  Put it on today only to find that its exactly the same as it was with the 1st psc pump and valve.  Does anyone know if they make a pump to keep up with a 9.7 valve??  This is complete bs cause stock sht does beter than this. And also I got a smaller pulley for the 2nd pump but it wont help because when u pick up the rpm it gets worse and feels like manual steering.  The pump has 30 bucks worth of synthetic royal purple in it too.  I shoulda left well enough alone.  Any help or thoughts??
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clayne

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Reply with quote  #2 
I not much on the steering. I order me PSC kits and put on and done. I had one pump go bad after 4 year of hard life, put on stock pump to try get past a event was having, didn't make it, sent pump back to PSC and they rebuilt it. Good as new again all I know.
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Bruce

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Reply with quote  #3 

Pretty sure thats what I had on my Bronco, was a 9.7 valve with a 2.5" single ended ram. I used a stock pump but drilled the flow valve out a little and took 1 small shim out of the pressure relief valve.

94Blazer

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Reply with quote  #4 
Yup- he's right. 9.7 valve worked better with my bone stock (not drilled or anything) Saginaw. It just don't make any sense
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jdabbs

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Reply with quote  #5 
I now know more about tc pumps than I ever wanted to.  I took apart both pumps and the only difference is the output on the hydro pump is a lil bigger.  I put on the smaller pulley and  made a temporary bracket, and put the resi to run straight into the pump.  It got a lil better at idle but still whines like a mf with any rpm or steering wheel speed. IDK wtf to do exept go back to a smaller valve and live with it.  these pumps cannot keep up.
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pachary

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Reply with quote  #6 
Dang,

I was wanting a faster valve........may just stick with what I got.
jdabbs

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Reply with quote  #7 
eventually went back to a 7.3 valve with my stock p-pump and steers great.  not as fast as I'd like but at least it turns lol.  Any bigger valve than that. u gota have a hell of a pump.  RVC style w the res and pulley set u back about 500.  
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Pumpkin

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Reply with quote  #8 
What size ram do you have?
jdabbs

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Door Killer
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Reply with quote  #9 
2x10 se, same as before
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