Re-Bertha: 71 C20 to 72 K20

[Wide Open]

Originally Posted by PeterHall

I think its a 60E. I may have wrote 80E earlier. I have no idea what adapter was used. We dropped off our old transmission as a core and the np205 and asked the transmission shop to make it worked with the new 60E. The adapter bolts between the transfer case and the transmission, which was good in our case because it pushed the big block away from the firewall. I can snap a picture when Im in front of the truck again

OK thanks. Advance Adapters has one that looks nice but is a little pricey at first look but it does include a new input shaft and the larger front bearing and a bunch of other stuff. I'm always on the lookout for options though especially with people who've already been there done that.