hey guys new here,but not to boating,have been around boat my whole life,65 years old, just pick up a boat with a 80s 50 hp merc,cant seem to get it to lift up,has the 2 shocks on it, i moved the 2 levers eather side up and down,i took shocks off thinking they might be froze,of course 2 of the studs broke off, some 1 told me it has to be in forward to lift, cant get it to lift? thanks