My first post on here, not the best on forum etiquette, but here goes. My "buddy" rebuilt my 4.3, SN 0F873698 . Gor back 3 years after drop off. Had to get police involved to just get back. He did "finish" the motor before he gave it back. Switched fron 2bbl to 4bbl 1409 edelbrock w/2114...