Can anyone give me any info about an auto to 4spd conversion? I have a 69 396 and with a 400 auto and a 410 rear and I am bored, looking into m-21,m-22. Are there any conversion kits? Has anyone done this, thank you

Use the search feature to find info. This has been discussed many times. Read here too... http://www.camaros.net/techref/ftecref15.html
Good luck.