I WANT TO INSTALL POWER TRIM AND TILT. IS THIS A JOB I CAN DO MYSELF? WILL I HAVE TO BUY NEW CONTROLS AND STEERING BECAUSE THE CURRENT POSITION OF THE ENGINE WILL CHANGE ? WILL GAS LEAK OUT OF THE CARBS WHEN THE ENGINE IS IN FULL TILT? WHAT HAVE I FORGOT? THANKS IN ADVANCE FOR YOUR HELP.