1g trans will not fit in a 2g end of story...1g motor mounts are on the engine block for the front and rear, 2g is on the transmission there will be nowhere to put the engine mounts in your car. May be able to rig up your auto in his 1g though very impractical. Just for information though, if it werent for it being impossible to mount, the rear differential would have to be swapped due to different ratios, as well as a wiring nightmare for the TCU since his would not have any provisions in the harness for one. Also assuming he has a 7 bolt, if its been swapped to 6bolt for any reason you woud have even more issues.
