I have been giving it some thought.. and wondered if i made a cross-member to install a rear steer R&P rack, that would mount behind the drop axle and the cross member would anchor to the frame rails ,(simulair to how they mount the R&P units on the 55-57 chevys) and kept it level with the steering arms, why this wouldn't work???if not why??? any help???? engine clearence would not be a problem, and the crossmember would not hang any lower than the drop axle. I know the unisteer make a rack&pinion unit to replace the vega steering box on cross steer fords (can't use it on the 37-40 chevys the left side spring is in the way).If it would work and be safe for driving I can't see any downside to converting over to a r&p steering??.................. A little background on my car... it is a 39 chevy coupe with a 3" dropped ibeam axle and 3" dropped mono leaf springs up front. the car is currently setup with a cross-steer using a vega steering box. the engine is a 454 with a th400 trans. can any chassis builders "steer" me in the right direction????. also if it would work and can be done what rear steer rack would you reccommend????