Upgrade TH350 Tranny to TH350C

I have spend way to much money rebuilding a TH350. Is it possible to internally upgrade this TH350 to the TH350C with modified electric overdrive lock torque converter. Could do the 700R but like this TH350

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.