I've never had to double clutch the SM420 in my 61, or any other 4 speed I've driven for that matter. SM420 4 speed is definately the transmission of choice. There's one going on ebay right now.

http://cgi.ebay.com/ebaymotors/ws/e...1&category=33733&item=2443546206


"If the women don't find ya handsome, they should at least find ya handy!"

1961 Apache 20 4x4
http://community.webshots.com/album/97352016vHsKNP