That's usually strut rods. Check the big nut torque, perhaps the bolts to the LCA. any big clunks from the axle between coast down and putting power on? (backlash?)

KFrame loose? (yikes). Sector shaft loose? Idler arm?

Transmount?


Looking for 1975 through 1978 B body 4 door sedan sheet metal or parts cars - monaco, fury, coronet. Please let me know