A833 18 spline diffs?

[Cuda416]

Everything I've read and seen has told me that the only real difference between an 18spline and 23 spline 833 is the input shaft and front bearing retainer etc. I was told by someone yesterday that the tail shaft housing is also different in that it has a larger bearing as well. Is this true? The pictures I've been able to dig up don't really tell me anything either way.

-C

[Chryco Psycho]

The rear brg may have been smaller in some of the A biody trans but all the ones I have had apart use the 308 rear & the 307 or 308 front brg , the gear set was unique as well even 23 spline trans had various gearsets that have to change as a set .

[70CUDA4SPEED]

House it's not the same, a 23 splines house is weaker, they are not as thick as the 18 splines house.

[Chryco Psycho]

True , the input shaft is larger diameter & the gear pitch is different , definatly a stronger unit