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Ideally clutched is the ultimate way to go. You have normal power steering restored and it draws less than 10 amps and you can run it as long as you want.
I took the easy way out with a 12v hydraulic power unit, it might come back to bite me in the but because I should only run the HPU for 20 or 30 seconds definitely no more than a minute with out a good long cool down. Plus it draws like 110 amps under load and 60 amps no load. The HPU was not cheap, but cheaper than a clutched commercial/industrial hydraulic pump. In theory sticking an AC compressor clutch on some kind of OEM style power steering pump should be the cheapest option.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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