I use a gantry crane, come-alongs and straps to lift my cab
http://i902.photobucket.com/albums/ac228/66rollback/project%2066%20rollback/PB160058.jpg


'66 C60 body, '97 C6500 chassis, '07 LBZ Duramax with Allison 1000
https://photos.app.goo.gl/cxwv1C6Ay2oxYH7u7