i have a real Art Carr 12" lock-up converter. the stall speed is approximately 2800 rpm. according to the Art Carr data sheet, it's good for up to 450hp and has brazed, full torrington-type bearings and extra wide high performance clutch lining. it's in excellent shape (low miles). $310 plus shipping or i can deliver it to the buick event at Norwalk, OH.
let me know if you are interested.
bw jones