Aren't you going to need a bypass wire from the start switch directly to the coil? You should have the stomp start switch with the auxiliary terminal that's hot when you engage the starter so you get a full 12V to the coil.
It looks to me like the wire lengths are fine.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.