3 speed driveshaft same as 4 speed?

[spoolinhard]

I have a 70 e body 3 speed drive shaft. I need one for a 23 spline 4 speed driveshaft. Is this the same?

[1 Wild R/T]

Yes, 727 is also the same..

[rftroy]

Fine point.  They are the same for the same engine and axle combinations. 
Robert

[spoolinhard]

Thanks!