I was wondering if the transmissions in the Z71s are the same as the trannys in the Fbodys? Or is the tranny in the Z71 a 4l65E or something like that? I kinda need to know the gear ratio of the Overdrive in my Z71. Im leaning toward 4.10s in it because of 33s. Thanks.

 

hm... i think some of them came with 4l80e, though that may be just 2500 on up