Oh, I missed позже.
сш, зж, сз and so on are always subjected to regressive assimilation:
с жаром - /'ж:арəм/
с шаром - /'ш:арəм/
расширить - /рə'ш:ирить/

Quote Originally Posted by xXHoax View Post
your 'х' is definitely better than it could be, some people seem to only be able to make a harsh gurgle sound, but yours is at least a soft hiss, however I think I hear it being a single unit too far back in the mouth. Yours is bordering on uvular, whereas х is a sound pronounced right where к touches down-- on the velum. Pronouncing хххк хк ххххк shouldn't move the tongue forward or back at all - just close and open slightly
It sounds almost native in уехать, IMO.