22-04-2021, 08:11 AM
Possinbly caused by gasket too thick/soft.Those giant threads are not going to pul out.The crack of concern would be the one above the cam bearing. i had a crankcase cracked at the middle arch and welded eons ago but a lot of distortion and the cam tunnels never aligned properly.The ingenious may be able to devise ways of supporting the cam bore other than welding..