Also if you are running a Saginaw type power steering pump and original style power steering you should be OK, but if you are running the newer style pumps and rack and pinion it gets a little more complicated. Rack and pinion needs lower pressure levels than the hydroboost needs to be effective, so if you make the hydroboost happy, you over pressurize the rack. I had my pump rebuilt (newer LS, Corvette type pump) by Lees to put out hydroboost flow rates, and am planning on using the Heidt's power steering valve to balance out the pressures so both are happy.
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Hey Jaro - I was looking into the hydratech Hydro Bosst system to use on mine as well. I picked up a rebuilt an original saginaw style style power steering pump from the local auto part store and installed a new AGR direct replacement gear box. Do you think I'd be ok without the Heidt's power steering valve? Also, a friend of mine was telling me they make a lot of noise.. Do you know of any truth to this?
Thanks,
Mike