HELP disc brake swapping

OK, my son and I switched the spindles and calipers. Our calipers are now in back bleeders on top and the alignment is straight as an arrow. Don't know why, the control arms were on the correct side. Also the rubber brake lines have less stress, we have plenty of extra hose. Where as before with the calipers in front the hoses would get almost streched out. We can drive the car hands free on a straight road and it stops so much better. I would like to thank everyone for the comments and ideas. Thanks