CAN'T believe I have missed this aspect about this topic .... look at my MH in my avatar ...same/SAME as a Dodge van ...almost.

I have never pulled a motor in it ... but I am going to ...and the best way is building a lift-plate that that is deeeep in the valley of the motor(just like the OEM valley pan gasket) that hooks to heads. The intake OF COURSE has to come off ....