Any way to "de-power" a power steering box?

PoisonDart74 said

Just drive it with power, and set your caster right, I promise you you'll dig it. Especially if you 'Pump it down'. Google it.

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That's my plan "coming up" this spring. I am barely getting by with man'well in the shape I'm in. Parking lots are a PITA. 25MPH and faster, OK