Our dealership labor book shows a engine replacement at like 10.4 hours IIRC. It cost me like 700 plus fluids and the motor. Spent 750 on the motor, redid all the gaskets, all new fluids, tranny service. Left with like a $1200 bill not counting my motor, so say $2000 total and granted it was discounted but this was a GM Dealership doing it.