In lieu of dimpling the frame, to make way for the GM Saginaw power steering gear box, another solution is the power steering gear box mounting kits. The frame is already prone to cracking, in this area, due to a number of factory holes, in addition to the two new holes, required for the power steering gear box.
Out of curiosity, why are you converting your '66 Chevy Suburban to five lug? The wheel choices on the factory 6 on 5.5 lug pattern, are virtually limitless.
