Here very simple, a decent early Z , with no rot, Cali car, 10 G's +or-, a healthy LS1 engine w T56 , harness, brain box 5G's +or-, a rear end 500$ +or-, the kit to do the install 1.5G's +or-, brake up grade 2G's +or-, A/C 1.5G's +or-, gas tank 300$+or-, headers/exhaust work 700$+or-, sub frame work 1G+or-, suspension upgrade 2G's +or-, radiator upgrade 250$+or-, labor from a few beer cases to 10G's +or-. plus the unknown..........see the picture, I am sure that others will chime in.