????? ???? ???? ??????? ????? ???? ????????? ????????? ???? ???????. ?????? ?????? ??????? ?????? ?????? ??? ?????? ?? ????? Is the correct angle thirty or 31 deg ? I´m just touching up a litte so I´d like to be aware of the specs for the original sett up. (no multi angels configuration) . Might likewise ask with regards to the intake also . ma