The original tank was shorter by a couple inches to accommodate the round cowl. otherwise the oil door on the top won't close. The tank ends up crushing the electrical braid on the back of the engine. The new tube in the lid is going to have to be shortened as well, it goes the full length of the oil tank as does the screen.
I like the placement of your modules. Did you have to lengthen the plug wires or did you use what you had? I"ll check on it today and start the fabrication process. I am going to have some help here for a week so I think I can get er done when my buddy arrives. He's an airplane guy from Alaska and pretty much works for food when he's on my place.
I"ll send some pics as well.