The non-turbo 3.8L V-6 came with a manual transmission in other cars, so the replacement parts are out there. McLeod carries the required '77-87 even-fire 160-tooth flywheel in steel and aluminum.

Although some people would definitely refuse to drive a stick shift in today's crowded cities, Buick is going to offer the 2011 Regal with a 6-speed manual transmission. At least as far as the 2.0 ...