Yes and no. A torque converter has to have some slippage at idle to allow the car to stand still while idling in gear. The problem with older torque converters is that there was always some slippage, even at highway speeds.<font face="Verdana, Arial" size="2">Originally posted by dgs:
How does the lock up converter effect this? I always assumed that effectively gave you an extra 'gear'. Is that right?