Re: UPGRADING a 67 ????
A power steering box from a 68 or later will not directly bolt onto a true 67 frame without spacers. Using the spacers can put bump steer into the handling of the truck and not be a lot of fun. That's because the pitman arm will no longer be aligned at the correct angle when you move the box away from the frame.
People have cut the frame and rewelded a recess into it like the 68 and later frames have for the PS box. Have a look at your 72 frame compared to your 67 and you'll see what I'm talking about. Plus it's always good to reinforce the frame itself in the area where the PS box bolts to so that it doesn't crack out later.
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