experience with dropspindles????

Hello, did my c10 at the front axle have a few drop spindles, which lay in about 3inch lower, my problem is now that the 15 inch which I have on it scratch at the lower axle, or almost already scrape. is there there any possibility to file bitsi at the leg around (I am already aware that this is not the best idea), or tend to mount larger rims? or is there any other possibility? tomorrow will put me under again And see if there’s anything I can do…