Now I'm a little confused. This is the answer from SMR:

Thanks for your interest in the premium quality transmission products of SMR Transmissions and Converters specializing only in Chrysler products. We take great pride in the design and/or building of every transmission and converter to meet the specific needs of your application to provide the ultimate in reliability, performance and efficiency.

Having reviewed your tech sheet and the information provided, I recommend that we provide a 9 inch custom built, torque converter for your 20% street/80% strip '72 446 cu. in. Charger. With an operating range of 3200-7000 rpm, our custom built Competition Eliminator 9" will provide maximum torque multiplication at a flash stall* of 4200 rpm. without loss of high r.p.m. efficiency to maximize e.t. potential. Your shift points should occur at approximately 6900 rpm.
*flash stall occurs from a dead stop, full throttle launch - without tire spin and can only be determined by reading a data recorder or playback tach.

This custom built converter, is constructed with a special competition stator, the super duty forged steel drive hub (input shaft spline), inner and outer sprag races, heavy duty sprag, alloy drive tube, triple Torrington bearings, full furnace brazing, internal and external balancing, a Billet Steel front cover, pilot and mounting pads and much more, to provide maximum e.t. potential and superb reliability under the extreme that you will be subjecting it to.

With your current investment in quality components, this premium quality converter will allow you to obtain the maximum performance potential from your Charger while obtaining satisfactory street driving and allow you the enjoyment of having un-matched reliability.



Your Cost

SMR COMPETITION ELIMINATOR M/T 9 " Custom Built Race Converter as described $1,379.70



All prices are in U.S. currency, shipping charges extra.

Regards,

Pat Storey
SMR TRANSMISSIONS and CONVERTERS