- How much is an engine block worth in scrap. In the US, the average price for scrap copper is about $2. Find top market rates for copper, aluminum, catalytic converters, and more. Current metal and scrap car prices drive these values up or down weekly. I'm a big car guy and have people willing to sell blocks for $10-40. You've got a small engine block to recycle? Fantastic! That's a high quality piece of scrap metal! Now you need to know how to recycle an engine for money. cities listed. Aluminum engines command higher prices than iron blocks. Check average market values with an interactive price chart and evaluate your scrap with our built-in calculator. Ferrous Scrap Metal, Market Price, Your Price *. The price of scrap cast iron varies depending on the market, but it is typically around $0. xk lldc ysa qy bmclk 92t pespik wbj otu a2p50