Hey All; I have a 4-lug 4-speed in my Corvair powered sandrail. I would like to change this to a 5-lug. I have a Rampside with a 5-lug in it. Can I just swap the axles or is there more to this? I believe the transaxle in the rail is out of a sedan. Thanks for any info. GaryB in Prosser, Wa.