Related Clues:
- Castaway's call
- "--- yer old man!"
- Stranded traveler's signal, perhaps
- Seaman's "Help!"
- Motor Up alternative
- Additive that sponsors NASCAR racers
- Slick 50 alternative
- . . . . . .
- Clorox cleaning product
- Tar's 'Help!'
- Engine performance aid
- ...---...
- ''Mayday!'' relative
- Big car racer sponsor
- Call in a calamity