Cross-Country Road Trip in a '68 Barracuda

LA to Iowa back as forth 4 years every summer...

this was the last trip. Had air shocks in back. Didn’t adjust front ride height enough and cracked K-frame.

the stuff in ground is just out of car top carrier

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Holy cow, now THAT'S a haul! What caused the K member to crack? Did the suspension just bottom out too many times? And just for my reference how much weight do you think you were hauling? Did the air shocks help any?