I don't have a Regal, but I do have a '70 455 BBB in an '83 Cutlass. Haven't had the pleasure of driving it in about a year (busted brake line), but hopefully I'll have it back on the road this summer.
My 1987 Stage-1 Buick 455 Regal ... almost a "twin" of 11-Second-Steve's Stage-1 Buick 455 Torque-Monster. :3gears: