Here's what the curved ones look like. I use silicone model airplane style fuel line because it lasts forever. Your modified stock manifolds look fine to me.jbruney,
Saving the world by typing in a message box is what the internet is for. I'm on it for sures.
OK, so far no one responding has done it, or would do it.
Jim > JSMotorsports has put together Commando and vertical mounted motor intake manifolds with the balance tube above the centerline of the intakes for his Keihin CRS carburetor kits. He may have a reason for putting the balance tubes above the centerline.
Add positive crank case pressure relief to that list. haI bet it also solves wet sumping and poor alt output too!!
Here's what the curved ones look like. I use silicone model airplane style fuel line because it lasts forever. Your modified stock manifolds look fine to me.