Where are you at with your load in regards to min/max?
How does your Kimber slide work when hand moving/racking it? Field strip it and put the slide back on and slowly operate it by hand . . . any hang-ups, roughness, etc? I had a 1911 style slide one time that I had to cycle a couple hundred times with toothpaste on the rails as a light abrasive to polish it so it cycled smoothly.
Just because a reload will work in one handgun does not mean it will work in the next. Travel, fit of slide to rails, strength of recoil spring, etc. all add to the variables.
I don't reload and shoot 45 but I do 9mm. I have a SR9 and a Shield. As an example, with a 120 gr lead cast and 3.5 grains of Bulls Eye, my SR9 will shoot and cycle perfectly. The Shield? My 3.5 grind BE load and the same bullet will not cycle it like it should. Bumping the load up to 3.7 grains, the Shield does fine. So that load also works well in the SR9 and i can use the same load for both pistols. Bump the BE load up to 4.0 gr. of BE and the Shield will experience FTF/FTE.
You know your present load will not cycle the Kimber. See where you are on your min/max load data. If you still have room to more towards the max, load up sample rounds and increase in .2 grain increments and see what happens.
Next question is have you tried running any store bought ammo through the Kimber? Does it function with that?
The only experience I have with Kimbers is shooting next to guys at the range who have them. I know they are supposed to be good, but I have seen fellows have a lot of problems with theirs . . . either through operator error or a problem with the gun. Good luck and hope you can find a round that will shoot and cycle well.