I put the 800 series power steering box conversion on my '57 GMC years ago. The box mounts on the outside of the frame, forward of the front axle. Hated it because of the bump steer I encountered, caused by a very short and non-horizontal drag link. The steering arm broke (luckily at very low speed while pulling out of my driveway) and I went back to stock.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
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