[hurryinhoosier62]

Originally Posted by Formulas

https://metalspraysupplies.com/metal...t-is-arc-spray

possible to arc spray a bearing shell for exra thickness? says wood can be done

this is a process done to some aircraft......

how about powder coating the back side that can be a few thou thick and fairly hard

Spray welding is used in turbine engine components, not recip engine components. Oversize cam bores and main saddles are weld then machined back to standard in aircraft recip engines.