400 into 65 valiant

Our A bodies in Australia are a pain in the butt because they are all US based with the offset driveline to clear the L/H US steering box but we have R/H drive and a steering box on the R/H chassis rail! Man the exctractors are tight, especially with power steering box. My chysler has about 3/16 clearance around the steering box with try whys and only 5/8 pipes!