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  #16 (permalink)  
Old 01-22-2012, 05:46 PM
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Too bad we can't find a site listing the pump and rack and pinion pressures. It would be nice to find a pump that would work without modifications.

I was hoping someone would say that the 85 Thunderbird rack would work with the Chevy pump. I read that somewhere.

I'm not against doing the work to make the steering work. I'm just against spending the money and then having to do it over again.

I'm so confused. Do we have to reduce the pressure AND the volume ?



454 RATTLER

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  #17 (permalink)  
Old 01-22-2012, 07:56 PM
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If you're that concerned about it why don't you just modify your mount to accept the Mustang II pump?



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Old 01-22-2012, 08:15 PM
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Quote:
Originally Posted by 454 Rattler
Too bad we can't find a site listing the pump and rack and pinion pressures. It would be nice to find a pump that would work without modifications.

I was hoping someone would say that the 85 Thunderbird rack would work with the Chevy pump. I read that somewhere.

I'm not against doing the work to make the steering work. I'm just against spending the money and then having to do it over again.

I'm so confused. Do we have to reduce the pressure AND the volume ?



454 RATTLER
reducing the volume does reduce the pressure,, the GM pump puts out too much pressure/ volume for use on a MM2 rack.. thats what the adjustable valve does , reduces the Volume/ pressure from the pump to the rack,, simply by reducing the size of the venture in the pressure side of the hose,, works like a needle seat valve,, screw it in it reduces the size of the hole in the valve so less fluid gets through to the rack therefore reducing the pressure to the amount that the rack needs,,,,,,,, it works, no magic to it
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  #19 (permalink)  
Old 01-23-2012, 09:40 AM
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Centerline, you have a good point. If I did that I could be sure of the pressure/volume situation.

Bad Rat, if volume equals pressure in this case, then that clears this up for me.
I guess there are two ways to skin this cat. I just need to chose one way and try it.

Thanks to everyone for their thoughts. HR.com has the best members and I can always count on you.


454 RATTLER
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  #20 (permalink)  
Old 01-23-2012, 10:04 AM
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Quote:
Originally Posted by 454 Rattler
Too bad we can't find a site listing the pump and rack and pinion pressures. It would be nice to find a pump that would work without modifications.

I was hoping someone would say that the 85 Thunderbird rack would work with the Chevy pump. I read that somewhere.

I'm not against doing the work to make the steering work. I'm just against spending the money and then having to do it over again.

I'm so confused. Do we have to reduce the pressure AND the volume ?



454 RATTLER
I'm one of the lucky few, I guess... I installed the DSE fitting in the base of my ('03 Corvette LS-1) pump and it runs the T-Bird power rack in my Maverick swap just fine. The alignment specs may also have something to do with the so-called "twitchiness". Power steering calls for more castor than manual setups, I set mine at 4.5.

Russ
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  #21 (permalink)  
Old 01-23-2012, 05:32 PM
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S10xGN, I hope I have your luck.

Like I said, it seems to work for some but not others.

Thanks for the reply.


454 RATTLER
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