what's the difference-t-type,j-type transfer case

[nobodysfool]

just removed the transfer case in my 71 looks like i need a gasket kit.i have a broncograveyard book.302 3spd manual i have to assume my case is a dana 20 but whats the difference between a t-type and a j-type case?also is there a seal on the transmission shaft it looks to have a shoulder that fits into the case housing there was nothing there?

 

[astark]

1st pic is a J shift knob and 2nd a T shift, both named after their shift pattern, and the easiest way to tell the difference between them.

 

[malonejy]

If you shift it in a straight line, then it's a T Case. If you shift in a J pattern, it's a J case.

 

[71massbronco]

Ok, so can you put a J shifter on a Tcase that original came with a t shifter? My PO supplied me with one, so just curious.

 

[Justafordguy]

No, they aren't interchangeable.

 

[71massbronco]

No, they aren't interchangeable.

Good to know, Guess what's getting posted in the classifieds tonight.;D

 

[Scoop]

The good news is you now have an excuse to get twin sticks! Great upgrade.

 

[sprdv1]

"Slightly" different gearing ration as well, between the 2