Any repair that makes me put the car up on jack stands and crawl around underneath it.

32 years ago I was frequently swapping engines, transmissions, and rear ends on my 67 Camaro--in the sand on my back and using a come-along under a shade tree--stabbing transmissions using my chest and knees as the tranny jack.

Ahhhhhhhhhhhh, those were the days.

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1984 300SD 326,997 miles and counting . . . No wait, my odometer is still dead