ok i'm just trying to final fit everything on my car and i need to weld the toothed wheel to the crank pully, but if the bolt holding it to the crank is it left or normal thred ? its a nissan engine but spins the same way as a zetec, clock wise as you look at the engine stood at the nose

hi what nisssan engine is it?

god with out checking its a 1.8turbo from a silvia

errm is it a ca18? or ca12 ?

More than likely be a normal thread your find it will have a bit of lock tight on it any way