good late model axle swap Qs

does the right side tube messure 27in on your 67 if so it wil work ...you have to move spring perchs out to 43 in on center....easy way is to meassure 41/2 in from end of tube back to center.each side.....you can use same perches mark you perches front and back on tube using a stright edge out to end of axle tube this will keep your angle close.....doing my 64 valiant and i am in progess......bonehead