slant 6 driveshaft work with the 318/904 auto trans swap

quick question i used the trans dapt slant 6 to v8 mounting kit, will the stock driveshaft that came with my /6 work on the new combo ?? also anyone interested in the /6 with a 3spd trans still attached. rebuilt carb new fuel pump, new starter, new thermostat. have all the linkages for the trans about 144k original miles. also anyone have a 904 auto shifter for cheap ? thanks 8)