aweful cracking sound ,need help

looking for someone that has lots of knowledge in 67 dart ,I've had this bad sound just like you'd think the frame is breaking .sound is coming front pass side .if I stop and hit the gas pedal wow what a awful sound ,had ride height adjusted and all front end suspension has been replaced over time past few years .what the ""f"" is making this noise ,it is getting very worrisome. Can anyone point me in the right direction what to look for in this cracking crunching sound , even when I go over the slightest little bump or back out of my driveway .. its a puzzle .need it fixed before something is ready to either break or let go and cause more damage ..please help