Thanks everyone for your advice, I will be getting one soon.
TodFitch I am shocked that you of all people do not have one of the rare and exotic “Frame Manifold” LOL.
The rust removal by electrolysis method I hear works well. Correct me if I am wrong but you use a 10 amp 12 volt DC battery charger connect the Positive lead to the part, the negative lead to a piece of steel. Place in water and the rust is removed. Do you add baking soda to the water? On avarage how long do you leave ir running?