Drag Racing Online: The Magazine

Volume VIII, Issue 6, Page



Does a spragless converter cost top end power loss as some converter companys claim? I run an 8-inch 5500 stall spragless in my glide.          

Kennny Thomas
Hardy, VA


A spragless converter is not a complete torque converter. The sprag or one-way clutch is deisgned to let the stator fins rotate with the turbine and the pump fins at higher RPM. The spragless does not rotate at all so at high RPM, those fins are in the way creating lots of heat! A real torque converter has a sprag, mechanical diode, etc.

Thank you for your questions,


Mike’s Transmission
Lancaster CA
(661) 723-0081


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