I've been working on this on & off for a looong time. I'm using 2 AMT Escalade kits and 1 Revel Silverado.
The Caddy & Chevy bodies were cut just behind the rear doors. Then the Chevy back window "bulkhead" was glued to the Caddy body. The Chevy bed was shortened and sides removed. Scratched bedcover with the Caddy's third brake light. Modified Chevy frame.
'm gong to try & get this done this year. Thanks for looking.