if anyones wanting to change their auto to manual, i ve just finished mine "76 260 z,we fitted a 240k,fs5w71b,5 speed,ratios are,3.321,2.077,1.308,1.000,0.864,,r3.382,the clutch pedal was no prob,i just got a brake pedal off another auto z,it just needed one hole drilled in it, for the master cyl fork pin,otherwise the pedal just bolted straight in. the hole in the floor needed a bit cut out and the gear lever i sourced needed a bit of bending,the auto was very tired and did 0-100klm/hr in 13.5 secs.the manual has dropped that to about 8.5 secs,a new clutch would see that drop to 8 i think,but my budget is very low so ill just nurse it and enjoy.