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I had the exact same thing happen to my DP 6.1. Bent all the valves also.... Had just gone thru the engine.. Taken completely down to the block. Learned the cam bolt is a one use item.. Installed a new one and haven't had a problem since...




Ah yes, forgot you old timers don't know about TTY bolts . I'd be replacing it with a nice ARP bolt... no more TTY