A recent car restoration show showed a form of 'metal deposition' onto a worn bearing housing in a NLA casting, which was then milled back to original size, very impressive
I saw it on the 6R4 on Car SOS - I think it was called friction welding
"Y mae dafad ddu ym mhob praidd" 1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
