renegade hybrids sells a kit for the 996. you can also buy 'universal' kits for about the same money. a search online will show that a lot of folks use mr2 elecric ps pumps. there's caveats with power draw, electronic control, sourcing switched and unswitched power, etc. again, you'll have to search to get any info of use (i'd asked here before to no avail).
i'm currently looking at what it takes to convert a ps steering rack to manual. most folks state that it's fine for general driving and track/de, but heavy for ax and two hands required for parking and other slow maneuvers. better road feel. allows you to ditch the ps pump and plumbing alltogether - a few more hp, less weight.
the conversion looks easy (for info look to the 944 and 928 guys). plumb the inputs to each side of the rack piston together, plug the four ports on the pinion tower. the only thing i'm trying to confirm is whether you can get into the pinion tower to shim the torsion bar and reduce some play.
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