Alright guys, I’ve got a 2000 Blazer (4x4, 4 door) with a bad transmission (absolutely no forward gears). I have someone willing to sell me a 4L60E transmission out of a 2000 Suburban 4x4. Only difference is that it was bolted to a 5.3l instead of my 4.3l both vehicles are 4x4, but what would be involved in swapping my transfer case info that transmission? Do the transfer cases even need to be swapped? and lastly, are the bell housing or flywheel bolts different for the 5.3 compared to the 4.3? essentially what I’m asking is what (if anything) I would need to change to make that trans compatible with my 4.3 in my blazer.

I’m not 100% on the bell between the 4.3 and 5.3. Just check casting numbers of bells and if diffrent use your 4.3 bell. Also use the torque converter from the 5.3 with the 5.3 transmission. Stall speed will be diffrent but really not noticeable at all. Transfer case will bolt right on the 5.3 transmission. Good luck.