Okay.....there's no 411 section, but I figure some of this info will be good for somebody else's use. I'm more familiar with posting threads here.....so I'll put it here and refer the EarlyDatsun group to Ratsun.       Okay.....so I've been curious about putting discs on a 410/411 for awhile now. Doug V in our club was talking about doing the upgrade...I told him I'll like to see what he was working with to see if I could help. He ended up going with the SSS setup. He has given me his old